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    <title>Sebastian Insausti</title>
    <link>https://insaustis.com</link>
    <description>Sysadmin, SRE &amp; Database Expert — practical guides on Linux, databases, and infrastructure.</description>
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      <title>Galera Cluster: Multi-Master MySQL Replication</title>
      <link>https://insaustis.com/blog/galera-cluster.html</link>
      <description>A practical guide to Galera Cluster — how synchronous multi-master replication works, when to use it over async replication, setup, and what to watch out for.</description>
      <pubDate>Wed, 01 Apr 2026 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/galera-cluster.html</guid>
      <category>Databases</category>
      <category>Linux</category>
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    <item>
      <title>MySQL Automated Failover with Orchestrator</title>
      <link>https://insaustis.com/blog/mysql-failover-orchestrator.html</link>
      <description>How to set up Orchestrator for MySQL topology management and automated failover — discovery, configuration, and safe promotion of replicas when the primary fails.</description>
      <pubDate>Wed, 25 Mar 2026 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/mysql-failover-orchestrator.html</guid>
      <category>Databases</category>
      <category>Linux</category>
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    <item>
      <title>Blue-Green and Canary Deployments</title>
      <link>https://insaustis.com/blog/blue-green-canary-deployments.html</link>
      <description>A practical guide to blue-green and canary deployment strategies — how they work, when to use each, and what to watch out for with databases.</description>
      <pubDate>Tue, 10 Mar 2026 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/blue-green-canary-deployments.html</guid>
      <category>Infrastructure</category>
      <category>Linux</category>
    </item>

    <item>
      <title>ProxySQL: Load Balancing MySQL Traffic</title>
      <link>https://insaustis.com/blog/proxysql-load-balancing.html</link>
      <description>A practical guide to setting up ProxySQL for MySQL load balancing, connection pooling, and read/write splitting.</description>
      <pubDate>Thu, 20 Feb 2026 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/proxysql-load-balancing.html</guid>
      <category>Databases</category>
      <category>Linux</category>
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    <item>
      <title>MySQL Primary-Replica Replication: A Practical Setup Guide</title>
      <link>https://insaustis.com/blog/mysql-replication.html</link>
      <description>Step-by-step guide to configuring MySQL primary-replica replication, including binary log setup, replica provisioning, and common troubleshooting.</description>
      <pubDate>Thu, 15 Jan 2026 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/mysql-replication.html</guid>
      <category>Databases</category>
      <category>Linux</category>
    </item>

    <item>
      <title>Understanding the InnoDB Doublewrite Buffer</title>
      <link>https://insaustis.com/blog/innodb-doublewrite-buffer.html</link>
      <description>Learn how the InnoDB Doublewrite Buffer protects MySQL data integrity against torn page writes and corruption during crashes.</description>
      <pubDate>Tue, 07 Oct 2025 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/innodb-doublewrite-buffer.html</guid>
      <category>Databases</category>
      <category>Linux</category>
    </item>

    <item>
      <title>tcpdump: A Sysadmin&apos;s Pocket Knife</title>
      <link>https://insaustis.com/blog/tcpdump-sysadmin.html</link>
      <description>A practical guide to tcpdump for sysadmins — installation, essential filters, saving captures, and real-world troubleshooting scenarios.</description>
      <pubDate>Sun, 21 Sep 2025 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/tcpdump-sysadmin.html</guid>
      <category>Linux</category>
      <category>Networking</category>
      <category>Monitoring</category>
    </item>

    <item>
      <title>Getting Started with Wireshark</title>
      <link>https://insaustis.com/blog/wireshark-getting-started.html</link>
      <description>Install and use Wireshark for capturing and analyzing network traffic. Covers display filters, stream following, statistics, and production tips.</description>
      <pubDate>Sun, 21 Sep 2025 00:00:00 +0000</pubDate>
      <guid>https://insaustis.com/blog/wireshark-getting-started.html</guid>
      <category>Linux</category>
      <category>Networking</category>
      <category>Monitoring</category>
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