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Kalyanasundaram Somasundaram
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linux_basics/linux_server_administration/index.html
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@@ -14,7 +14,7 @@
<title>Linux Server Administration - SchoolOfSRE</title>
<title>Server Administration - SchoolOfSRE</title>
@@ -86,7 +86,7 @@
</span>
<span class="md-header-nav__topic md-ellipsis">
Linux Server Administration
Server Administration
</span>
</div>
@@ -139,10 +139,12 @@
<li class="md-nav__item md-nav__item--nested">
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2" type="checkbox" id="nav-2" >
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2" type="checkbox" id="nav-2" checked>
<label class="md-nav__link" for="nav-2">
Fundamentals Series
<span class="md-nav__icon md-icon"></span>
@@ -159,16 +161,410 @@
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-1" type="checkbox" id="nav-2-1" checked>
<label class="md-nav__link" for="nav-2-1">
Linux Basics
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Linux Basics" data-md-level="2">
<label class="md-nav__title" for="nav-2-1">
<span class="md-nav__icon md-icon"></span>
Linux Basics
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../intro/" class="md-nav__link">
Introduction
</a>
</li>
<li class="md-nav__item">
<a href="../command_line_basics/" class="md-nav__link">
Commandline Basics
</a>
</li>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
Server Administration
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
Server Administration
</a>
<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-scrollfix>
<li class="md-nav__item">
<a href="#lab-environment-setup" class="md-nav__link">
Lab Environment Setup
</a>
</li>
<li class="md-nav__item">
<a href="#multi-user-operating-systems" class="md-nav__link">
Multi-User Operating Systems
</a>
</li>
<li class="md-nav__item">
<a href="#usergroup-management-in-linux" class="md-nav__link">
User/Group Management in Linux
</a>
<nav class="md-nav" aria-label="User/Group Management in Linux">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#id-command-in-linux" class="md-nav__link">
id command in linux
</a>
</li>
<li class="md-nav__item">
<a href="#important-files-associated-with-usersgroups" class="md-nav__link">
Important files associated with users/groups
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#important-commands-for-managing-users" class="md-nav__link">
Important commands for managing users
</a>
<nav class="md-nav" aria-label="Important commands for managing users">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#useradd" class="md-nav__link">
useradd
</a>
</li>
<li class="md-nav__item">
<a href="#passwd" class="md-nav__link">
passwd
</a>
</li>
<li class="md-nav__item">
<a href="#usermod" class="md-nav__link">
usermod
</a>
</li>
<li class="md-nav__item">
<a href="#userdel" class="md-nav__link">
userdel
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#important-commands-for-managing-groups" class="md-nav__link">
Important commands for managing groups
</a>
</li>
<li class="md-nav__item">
<a href="#becoming-a-superuser-in-linux" class="md-nav__link">
Becoming a Superuser in Linux
</a>
</li>
<li class="md-nav__item">
<a href="#file-permissions-in-linux" class="md-nav__link">
File Permissions in Linux
</a>
<nav class="md-nav" aria-label="File Permissions in Linux">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#chmod-command-in-linux" class="md-nav__link">
Chmod command in linux
</a>
</li>
<li class="md-nav__item">
<a href="#chown-command-in-linux" class="md-nav__link">
Chown command in linux
</a>
</li>
<li class="md-nav__item">
<a href="#chgrp-command-in-linux" class="md-nav__link">
Chgrp command in linux
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#ssh-command" class="md-nav__link">
SSH Command
</a>
<nav class="md-nav" aria-label="SSH Command">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#passwordless-authentication-using-ssh" class="md-nav__link">
Passwordless Authentication Using SSH
</a>
</li>
<li class="md-nav__item">
<a href="#how-to-run-commands-on-a-remote-host" class="md-nav__link">
How to run commands on a remote host ?
</a>
</li>
<li class="md-nav__item">
<a href="#how-to-transfer-files-from-one-host-to-another-host" class="md-nav__link">
How to transfer files from one host to another host ?
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#package-management" class="md-nav__link">
Package Management
</a>
</li>
<li class="md-nav__item">
<a href="#process-management" class="md-nav__link">
Process Management
</a>
<nav class="md-nav" aria-label="Process Management">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#ps-process-status" class="md-nav__link">
ps (process status)
</a>
</li>
<li class="md-nav__item">
<a href="#top" class="md-nav__link">
top
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#memory-management" class="md-nav__link">
Memory Management
</a>
<nav class="md-nav" aria-label="Memory Management">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#free" class="md-nav__link">
free
</a>
</li>
<li class="md-nav__item">
<a href="#vmstat" class="md-nav__link">
vmstat
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#checking-disk-space-in-linux" class="md-nav__link">
Checking Disk Space in Linux
</a>
<nav class="md-nav" aria-label="Checking Disk Space in Linux">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#df-disk-free" class="md-nav__link">
df (disk free)
</a>
</li>
<li class="md-nav__item">
<a href="#du-disk-usage" class="md-nav__link">
du (disk usage)
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#daemons" class="md-nav__link">
Daemons
</a>
</li>
<li class="md-nav__item">
<a href="#systemd" class="md-nav__link">
Systemd
</a>
<nav class="md-nav" aria-label="Systemd">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#managing-system-services" class="md-nav__link">
Managing System Services
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#logs" class="md-nav__link">
Logs
</a>
</li>
<li class="md-nav__item">
<a href="#applications-in-sre-role" class="md-nav__link">
Applications in SRE Role
</a>
</li>
<li class="md-nav__item">
<a href="#useful-courses-and-tutorials" class="md-nav__link">
Useful courses and tutorials
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-1" type="checkbox" id="nav-2-1" >
<label class="md-nav__link" for="nav-2-1">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-2" type="checkbox" id="nav-2-2" >
<label class="md-nav__link" for="nav-2-2">
Git
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Git" data-md-level="2">
<label class="md-nav__title" for="nav-2-1">
<label class="md-nav__title" for="nav-2-2">
<span class="md-nav__icon md-icon"></span>
Git
</label>
@@ -223,13 +619,13 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-2" type="checkbox" id="nav-2-2" >
<label class="md-nav__link" for="nav-2-2">
<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-3" type="checkbox" id="nav-2-3" >
<label class="md-nav__link" for="nav-2-3">
Linux Networking
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Linux Networking" data-md-level="2">
<label class="md-nav__title" for="nav-2-2">
<label class="md-nav__title" for="nav-2-3">
<span class="md-nav__icon md-icon"></span>
Linux Networking
</label>
@@ -1635,6 +2031,41 @@ the system.</p>
<footer class="md-footer">
<div class="md-footer-nav">
<nav class="md-footer-nav__inner md-grid" aria-label="Footer">
<a href="../command_line_basics/" class="md-footer-nav__link md-footer-nav__link--prev" rel="prev">
<div class="md-footer-nav__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
</div>
<div class="md-footer-nav__title">
<div class="md-ellipsis">
<span class="md-footer-nav__direction">
Previous
</span>
Commandline Basics
</div>
</div>
</a>
<a href="../../git/git-basics/" class="md-footer-nav__link md-footer-nav__link--next" rel="next">
<div class="md-footer-nav__title">
<div class="md-ellipsis">
<span class="md-footer-nav__direction">
Next
</span>
Git Basics
</div>
</div>
<div class="md-footer-nav__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4z"/></svg>
</div>
</a>
</nav>
</div>
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
<div class="md-footer-copyright">