DevOps Tutorials
Command line skills and general tools for cloud and automation work, with examples you can run: regular expressions, cron, rsync, jq and more.
- DevOps Tutorials
Cron Expressions with Examples: crontab, Kubernetes CronJob, GitHub Actions and EventBridge
Learn to read and write cron expressions with examples, set up crontab safely with logs and locks, and reuse the syntax in Kubernetes, GitHub Actions and AWS.
- DevOps Tutorials
rsync Tutorial: Copy, Sync and Back Up Files over SSH with Incremental Snapshots
Learn rsync with examples: copy and mirror folders, trailing slashes, excludes, SSH sync, dry runs, bandwidth limits and incremental backups with hard links.
- DevOps Tutorials
Regular Expressions Tutorial with Examples: grep, sed, Python and Cheat Sheet
Learn regex from zero with runnable examples: character classes, quantifiers, groups, anchors, greedy vs lazy matching, and patterns for IPs, versions, ARNs and logs.