Essential Commands to Verify Linux Pacemaker Cluster System Health

I am Principal Technical Consultant with extensive exprience in Linux/Unix system administration and enterprise infrastructure support. I specialize in RHEL and SUSE environments, pacemaker clustering, system stabilisation, automation enablement and incident reduction across large large-scale production systems. My work focuses on building reliable, secure and scalable platforms while simplifying complex operational challenges. I am also passionate about knowledge sharing and training - translating real world production experience into practical guidance for engineering and administrations. On this blog, I write about Linux administration, clustering, troubleshooting , best practices and lesson learned from the field.