DevOps
How to Set Up Basic Alerting Without a Big Platform
Set up basic alerting for a small team with shell checks, a push channel and a heartbeat, alert on symptoms, avoid repeat noise and know when to move up.
6 min read
Tag
monitoring
4 posts
Cron and Scheduling
How to Monitor Timers and Their Last Runs Step by Step
List systemd timers with systemctl list-timers, read the columns, check the last run result in the journal, find failed timers and build a simple check.
6 min read
Databases
How to Run pg isready and mysqladmin ping in Health Checks
Check database readiness with pg_isready and mysqladmin ping: exit codes, Docker healthchecks, scripts and monitoring, and what they do not test.
6 min read
Cron and Scheduling
How to Add Retry and Alerting to Scheduled Jobs Step by Step
Add retry and alerting to scheduled jobs: bounded retries with backoff, a failure counter, one alert per outage, and success pings so silence is detected.
6 min read