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<nav
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aria-label="Navigation"
data-md-level="0"
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<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
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type="checkbox"
id="__nav_2"
checked
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<!-- Toggle to expand nested items -->
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Level 101
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Level 101
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<!-- Navigation tabs -->
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<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
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<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_1"
/>
<!-- Toggle to expand nested items -->
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class="md-nav__link"
for="__nav_2_1"
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Fundamentals Series
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<span class="md-nav__icon md-icon"></span>
Fundamentals Series
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
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<!-- Navigation item with nested items -->
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<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
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class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_1_1"
/>
<!-- Toggle to expand nested items -->
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class="md-nav__link"
for="__nav_2_1_1"
id="__nav_2_1_1_label"
tabindex="0"
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<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Linux Basics
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class="md-nav"
data-md-level="3"
aria-labelledby="__nav_2_1_1_label"
aria-expanded="false"
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<label class="md-nav__title" for="__nav_2_1_1">
<span class="md-nav__icon md-icon"></span>
Linux Basics
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_basics/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
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Introduction
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Command Line Basics
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Server Administration
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<li class="md-nav__item">
<a href="../../linux_basics/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
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Conclusion
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</nav>
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<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
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<input
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type="checkbox"
id="__nav_2_1_2"
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data-md-level="3"
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aria-expanded="false"
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<span class="md-nav__icon md-icon"></span>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="../../git/git-basics/" class="md-nav__link">
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Git Basics
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<li class="md-nav__item">
<a href="../../git/branches/" class="md-nav__link">
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Working With Branches
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<a href="../../git/github-hooks/" class="md-nav__link">
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Github and Hooks
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<li class="md-nav__item">
<a href="../../git/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
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<!-- Navigation link status -->
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</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
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<!-- Navigation item with nested items -->
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<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_1_3"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_1_3"
id="__nav_2_1_3_label"
tabindex="0"
>
<!-- Navigation link icon -->
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Linux Networking
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<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
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aria-expanded="false"
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<label class="md-nav__title" for="__nav_2_1_3">
<span class="md-nav__icon md-icon"></span>
Linux Networking
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/dns/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
DNS
</span>
<!-- Navigation link status -->
</a>
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<!-- Determine classes -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/udp/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
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UDP
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/http/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
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HTTP
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/tcp/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
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TCP
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/ipr/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Routing
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../linux_networking/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
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<!-- Pruned navigation item -->
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<!-- Pruned navigation item -->
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<!-- Currently active page -->
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<!-- Navigation item with nested items -->
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<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_2"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_2"
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tabindex="0"
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<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_2_2_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_2">
<span class="md-nav__icon md-icon"></span>
Python and Web
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../python_web/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
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<!-- Navigation link status -->
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<!-- Determine classes -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../python_web/python-concepts/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Some Python Concepts
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<li class="md-nav__item">
<a href="../../python_web/python-web-flask/" class="md-nav__link">
<!-- Navigation link icon -->
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Python, Web and Flask
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<li class="md-nav__item">
<a href="../../python_web/url-shorten-app/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
The URL Shortening App
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<!-- Navigation link status -->
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<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../python_web/sre-conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
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</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_3"
checked
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_3"
id="__nav_2_3_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Data
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<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
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<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_2_3_label"
aria-expanded="true"
>
<label class="md-nav__title" for="__nav_2_3">
<span class="md-nav__icon md-icon"></span>
Data
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_3_1"
checked
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_3_1"
id="__nav_2_3_1_label"
tabindex="0"
>
<!-- Navigation link icon -->
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Relational Databases
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<!-- Navigation link status -->
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<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_2_3_1_label"
aria-expanded="true"
>
<label class="md-nav__title" for="__nav_2_3_1">
<span class="md-nav__icon md-icon"></span>
Relational Databases
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../concepts/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Key Concepts
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../mysql/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
MySQL
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../innodb/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
InnoDB
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../backup_recovery/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Backup and Recovery
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../replication/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
MySQL Replication
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../operations/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Operational Concepts
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../select_query/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Select Query
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../query_performance/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Query Performance
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../lab/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Lab
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item md-nav__item--active">
<!-- State toggle -->
<input
class="md-nav__toggle md-toggle"
type="checkbox"
id="__toc"
/>
<!-- Hack: see partials/toc.html for more information -->
<!-- Navigation link to table of contents -->
<label class="md-nav__link md-nav__link--active" for="__toc">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<a
href="./"
class="md-nav__link md-nav__link--active"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
<!-- Table of contents -->
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#further-reading" class="md-nav__link">
<span class="md-ellipsis">
Further reading
</span>
</a>
</li>
</ul>
</nav>
</li>
<!-- Navigation item -->
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_3_2"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_3_2"
id="__nav_2_3_2_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
NoSQL
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_2_3_2_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_3_2">
<span class="md-nav__icon md-icon"></span>
NoSQL
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../databases_nosql/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../databases_nosql/key_concepts/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Key Concepts
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../databases_nosql/further_reading/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_3_3"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_3_3"
id="__nav_2_3_3_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Message Queue
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_2_3_3_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_3_3">
<span class="md-nav__icon md-icon"></span>
Message Queue
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../messagequeue/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../messagequeue/key_concepts/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Key Concepts
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../messagequeue/further_reading/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_3_4"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_3_4"
id="__nav_2_3_4_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Big Data
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_2_3_4_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_3_4">
<span class="md-nav__icon md-icon"></span>
Big Data
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../big_data/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../big_data/evolution/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Evolution and Architecture of Hadoop
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../big_data/tasks/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_4"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_4"
id="__nav_2_4_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Systems Design
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_2_4_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_4">
<span class="md-nav__icon md-icon"></span>
Systems Design
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../systems_design/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../systems_design/scalability/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Scalability
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../systems_design/availability/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Availability
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../systems_design/fault-tolerance/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Fault Tolerance
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../systems_design/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_5"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_5"
id="__nav_2_5_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Metrics and Monitoring
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_2_5_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_5">
<span class="md-nav__icon md-icon"></span>
Metrics and Monitoring
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/introduction/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/command-line_tools/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Command-line Tools
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/third-party_monitoring/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Third-party Monitoring
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/alerts/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Proactive Monitoring with Alerts
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/best_practices/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Best Practices for Monitoring
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/observability/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Observability
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../metrics_and_monitoring/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_2_6"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_2_6"
id="__nav_2_6_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Security
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_2_6_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_2_6">
<span class="md-nav__icon md-icon"></span>
Security
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/fundamentals/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Fundamentals of Security
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/network_security/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Network Security
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/threats_attacks_defences/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Threat, Attacks & Defences
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/writing_secure_code/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Writing Secure code
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../security/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3"
id="__nav_3_label"
tabindex=""
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Level 102
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="1"
aria-labelledby="__nav_3_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3">
<span class="md-nav__icon md-icon"></span>
Level 102
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_1"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_1"
id="__nav_3_1_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Linux Intermediate
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_1_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_1">
<span class="md-nav__icon md-icon"></span>
Linux Intermediate
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/introduction/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/package_management/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Package Management
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/storage_media/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Storage Media
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/archiving_backup/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Archiving and Backup
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/introvim/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction to Vim
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/bashscripting/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Bash Scripting
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/linux_intermediate/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_2"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_2"
id="__nav_3_2_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Linux Advanced
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_2_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_2">
<span class="md-nav__icon md-icon"></span>
Linux Advanced
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_2_1"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_2_1"
id="__nav_3_2_1_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Containerization And Orchestration
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_3_2_1_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_2_1">
<span class="md-nav__icon md-icon"></span>
Containerization And Orchestration
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/containerization_and_orchestration/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/containerization_and_orchestration/intro_to_containers/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction To Containers
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/containerization_and_orchestration/containerization_with_docker/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Containerization With Docker
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/containerization_and_orchestration/orchestration_with_kubernetes/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Orchestration With Kubernetes
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/containerization_and_orchestration/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_2_2"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_2_2"
id="__nav_3_2_2_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
System Calls and Signals
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="3"
aria-labelledby="__nav_3_2_2_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_2_2">
<span class="md-nav__icon md-icon"></span>
System Calls and Signals
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_calls_and_signals/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_calls_and_signals/signals/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Signals
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_calls_and_signals/system_calls/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
System Calls
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_calls_and_signals/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_3"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_3"
id="__nav_3_3_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Networking
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_3_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_3">
<span class="md-nav__icon md-icon"></span>
Networking
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/introduction/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/security/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Security
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/scale/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Scale
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/rtt/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
RTT
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/infrastructure-features/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Infrastructure Services
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/networking/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_4"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_4"
id="__nav_3_4_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
System Design
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_4_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_4">
<span class="md-nav__icon md-icon"></span>
System Design
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/intro/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/large-system-design/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Large System Design
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/scaling/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Scaling
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/scaling-beyond-the-datacenter/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Scaling Beyond the Data Center
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/resiliency/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Resiliency
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_design/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_5"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_5"
id="__nav_3_5_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
System Troubleshooting and Performance Improvements
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_5_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_5">
<span class="md-nav__icon md-icon"></span>
System Troubleshooting and Performance Improvements
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/introduction/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/troubleshooting/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Troubleshooting
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/important-tools/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Important Tools
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/performance-improvements/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Performance Improvements
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/troubleshooting-example/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Troubleshooting Example
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/system_troubleshooting_and_performance/conclusion/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Conclusion
</span>
<!-- Navigation link status -->
</a>
</li>
</ul>
</nav>
<!-- Pruned navigation item -->
</li>
<!-- Currently active page -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<!-- Determine all nested items that are index pages -->
<!-- Navigation tabs -->
<!-- Render 1st level items with nested items as sections -->
<!-- Navigation pruning -->
<!-- Nested navigation item -->
<li class="md-nav__item md-nav__item--nested">
<!-- Determine checked and indeterminate state -->
<!-- Active checkbox expands items contained within nested section -->
<input
class="md-nav__toggle md-toggle "
type="checkbox"
id="__nav_3_6"
/>
<!-- Toggle to expand nested items -->
<label
class="md-nav__link"
for="__nav_3_6"
id="__nav_3_6_label"
tabindex="0"
>
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Continuous Integration and Continuous Delivery
</span>
<!-- Navigation link status -->
<span class="md-nav__icon md-icon"></span>
</label>
<!-- Toggle to expand nested items with link to index page -->
<!-- Nested navigation -->
<nav
class="md-nav"
data-md-level="2"
aria-labelledby="__nav_3_6_label"
aria-expanded="false"
>
<label class="md-nav__title" for="__nav_3_6">
<span class="md-nav__icon md-icon"></span>
Continuous Integration and Continuous Delivery
</label>
<ul class="md-nav__list" data-md-scrollfix>
<!-- Nested navigation item -->
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/continuous_integration_and_continuous_delivery/introduction/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Introduction
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/continuous_integration_and_continuous_delivery/introduction_to_cicd/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
What is CI/CD?
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/continuous_integration_and_continuous_delivery/cicd_brief_history/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Brief History
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/continuous_integration_and_continuous_delivery/continuous_integration_build_pipeline/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Continuous Integration
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
<a href="../../../level102/continuous_integration_and_continuous_delivery/continuous_delivery_release_pipeline/" class="md-nav__link">
<!-- Navigation link icon -->
<!-- Navigation link title -->
<span class="md-ellipsis">
Continuous Delivery and Deployment
</span>
<!-- Navigation link status -->
</a>
</li>
<!-- Determine classes -->
<!-- Determine active page for paginated views -->
<!-- Navigation item with nested items -->
<li class="md-nav__item">
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<h1 id="conclusion">Conclusion</h1>
<p>We have covered basic concepts of SQL databases. We have also covered some of the tasks that an SRE may be responsible for&mdash;there is so much more to learn and do. We hope this course gives you a good start and inspires you to explore further.</p>
<h3 id="further-reading">Further reading</h3>
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<li>More practice with online resources like <a href="https://www.w3resource.com/sql-exercises/index.php">this one</a></li>
<li><a href="https://beginnersbook.com/2015/05/normalization-in-dbms/">Normalization</a></li>
<li><a href="https://dev.mysql.com/doc/refman/8.0/en/stored-routines.html">Routines</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/trigger-syntax.html">triggers</a></li>
<li><a href="https://www.essentialsql.com/what-is-a-relational-database-view/">Views</a></li>
<li><a href="https://dev.mysql.com/doc/refman/8.0/en/innodb-transaction-isolation-levels.html">Transaction isolation levels</a></li>
<li><a href="https://www.digitalocean.com/community/tutorials/understanding-database-sharding">Sharding</a></li>
<li><a href="https://severalnines.com/database-blog/introduction-database-high-availability-mysql-mariadb">Setting up HA</a>, <a href="https://blog.serverdensity.com/how-to-monitor-mysql/">monitoring</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/backup-methods.html">backups</a></li>
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