DevOps Engineering Case Studies

Linux

Host-level failures — the layer everything else is standing on. Container and Kubernetes problems frequently turn out to be Linux problems wearing a different hat: a cgroup limit, a full inode table, a process that ignores SIGTERM.

Written

None yet.

Planned

Case study Type
High CPU on a production server Troubleshooting
Memory leak on a long-running host Troubleshooting
Disk exhaustion — inodes, journald, and deleted-but-open files Troubleshooting
Zombie and orphaned processes Troubleshooting
systemd unit failure and restart loops Troubleshooting
Fleet health checks across mixed distributions Architecture
  • LinuxVitals — agentless Ansible collection for Linux fleet health checks across RHEL, Fedora, Ubuntu and SUSE, with baseline/postcheck comparison and opt-in self-healing.

Nothing here yet — content is on the roadmap.