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2026-01-09 01:58:03 +00:00 · 2021-02-24 16:39:41 +00:00
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/databases_nosql/intro/index.html
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/databases_nosql/key_concepts/index.html
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/linux_basics/intro/index.html
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/linux_basics/linux_server_administration/index.html
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/linux_networking/http/index.html
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  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/linux_networking/intro/index.html
+++ b/linux_networking/intro/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
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--- a/linux_networking/ipr/index.html
+++ b/linux_networking/ipr/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
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--- a/linux_networking/tcp/index.html
+++ b/linux_networking/tcp/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/linux_networking/udp/index.html
+++ b/linux_networking/udp/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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--- a/metrics_and_monitoring/alerts/index.html
+++ b/metrics_and_monitoring/alerts/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
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@@ -134,6 +134,8 @@
    
    
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+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/metrics_and_monitoring/command-line_tools/index.html
+++ b/metrics_and_monitoring/command-line_tools/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/metrics_and_monitoring/conclusion/index.html
+++ b/metrics_and_monitoring/conclusion/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/metrics_and_monitoring/introduction/index.html
+++ b/metrics_and_monitoring/introduction/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/metrics_and_monitoring/observability/index.html
+++ b/metrics_and_monitoring/observability/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/metrics_and_monitoring/third-party_monitoring/index.html
+++ b/metrics_and_monitoring/third-party_monitoring/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/python_web/intro/index.html
+++ b/python_web/intro/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/python_web/python-concepts/index.html
+++ b/python_web/python-concepts/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/python_web/python-web-flask/index.html
+++ b/python_web/python-web-flask/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/python_web/sre-conclusion/index.html
+++ b/python_web/sre-conclusion/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/python_web/url-shorten-app/index.html
+++ b/python_web/url-shorten-app/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/conclusion/index.html
+++ b/security/conclusion/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/fundamentals/index.html
+++ b/security/fundamentals/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/intro/index.html
+++ b/security/intro/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/network_security/index.html
+++ b/security/network_security/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/threats_attacks_defences/index.html
+++ b/security/threats_attacks_defences/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/security/writing_secure_code/index.html
+++ b/security/writing_secure_code/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/sitemap.xml.gz
+++ b/sitemap.xml.gz
--- a/sre_community/index.html
+++ b/sre_community/index.html
@@ -129,6 +129,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/systems_design/availability/index.html
+++ b/systems_design/availability/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/systems_design/conclusion/index.html
+++ b/systems_design/conclusion/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/systems_design/fault-tolerance/index.html
+++ b/systems_design/fault-tolerance/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/systems_design/intro/index.html
+++ b/systems_design/intro/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">
--- a/systems_design/scalability/index.html
+++ b/systems_design/scalability/index.html
@@ -134,6 +134,8 @@
    
    
  </nav>
+<div style="background-color: hsla(219, 54%, 51%, 1); border: 2px ; margin: 0px; padding: 2px; font-size: 200%; font-weight: bold; text-align: center;">
+Join our  AMA on <u><a href="https://linkedin.github.io/school-of-sre/linux_networking/intro/">Linux Networking Course</a></u> in the <u><a href="https://www.linkedin.com/groups/12493545/">School-of-SRE LinkedIn Group </a></u> from 19 Feb 4PM IST to 7PM IST(10.30AM to 1.30PM GMT)
 </header>
    
    <div class="md-container" data-md-component="container">