About Ops Under Pressure

Welcome to Ops Under Pressure.

I’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.

This site documents real-world production issues, root causes, lessons learned, and solutions that actually worked.

Topics include:

  • Linux / RHEL
  • Windows
  • AWS
  • Monitoring with Zabbix and Nagios
  • Automation
  • CI/CD
  • Enterprise Troubleshooting
  • AI-SRE
  • Security & Certificates

The goal is simple:

Help the next engineer solve the problem faster than I did.