https://opsunderpressure.xyz/Recent content on Ops Under PressureHugoen-USThu, 04 Jun 2026 12:00:00 -0700https://opsunderpressure.xyz/posts/migrating-rhel5-to-hyperv-without-losing-your-mind/Thu, 04 Jun 2026 12:00:00 -0700https://opsunderpressure.xyz/posts/migrating-rhel5-to-hyperv-without-losing-your-mind/A real-world RHEL 5 to Hyper-V migration story covering rescue mode, LVM activation, GRUB cleanup, initrd rebuilds, and Hyper-V driver surprises.https://opsunderpressure.xyz/about/Mon, 01 Jan 0001 00:00:00 +0000https://opsunderpressure.xyz/about/<h1 id="about-ops-under-pressure">About Ops Under Pressure</h1> <p>Welcome to Ops Under Pressure.</p> <p>I&rsquo;m Claudio Lombardo, a Principal IT Infrastructure Engineer supporting enterprise Linux, Windows, cloud platforms, databases, monitoring systems, automation, CI/CD pipelines, and high-availability architectures.</p> <p>This site documents real-world production issues, root causes, lessons learned, and solutions that actually worked.</p> <p>Topics include:</p> <ul> <li>Linux / RHEL</li> <li>Windows</li> <li>AWS</li> <li>Monitoring with Zabbix and Nagios</li> <li>Automation</li> <li>CI/CD</li> <li>Enterprise Troubleshooting</li> <li>AI-SRE</li> <li>Security &amp; Certificates</li> </ul> <p>The goal is simple:</p>