Keeping small services observable
Useful health checks should confirm the user-visible path, not merely that a process still exists.
Systems · Networking · Operations
A small collection of field notes about Linux administration, network services, monitoring, and predictable recovery.
Useful health checks should confirm the user-visible path, not merely that a process still exists.
Versioned configuration, staged updates, and simple rollback procedures make even single-server systems easier to operate.
Backups are most valuable when restoration steps are short, documented, and tested before an incident.