DevOps Daily Tips

Bite-sized, actionable DevOps tips you can apply immediately. One new tip every day.

All Tips

πŸ’»Day 44Beginner

Keep Terminal Sessions Alive with tmux

tmux keeps your terminal sessions running even when you disconnect β€” no more lost work from dropped SSH connections.

Mar 16, 20261 min read
linuxterminalproductivity
☸️Day 43Advanced

Protect Uptime During Maintenance with PodDisruptionBudgets

Without PDBs, a node drain can take down your entire application at once.

Mar 15, 20261 min read
kubernetesreliabilitymaintenance
πŸ”€Day 42Beginner

Trace Every Line's Author with Git Blame

Git blame reveals who changed each line and why, turning mysterious code into a story you can follow.

Mar 14, 20261 min read
gitdebuggingcollaboration
🐳Day 41Beginner

Reclaim Disk Space with Docker System Prune

Docker silently eats your disk space β€” a single command can reclaim gigabytes.

Mar 13, 20261 min read
dockermaintenancedisk-space
πŸ—οΈDay 40Beginner

Pass Data Between Terraform Modules with Outputs

Output values are how Terraform modules share resource data like IPs, ARNs, and IDs with each other.

Mar 12, 20261 min read
terraformmodulesinfrastructure
πŸ”„Day 39Beginner

Enforce Code Quality with Branch Protection Rules

Branch protection rules are your safety net β€” they prevent broken code from ever reaching main.

Mar 11, 20262 min read
cicdgithubcode-quality
πŸ’»Day 38Intermediate

Process Lists in Parallel with xargs

xargs with -P turns sequential operations into parallel ones, dramatically cutting processing time.

Mar 10, 20262 min read
linuxperformanceautomation
☸️Day 37Advanced

Lock Down Pod Traffic with Network Policies

By default every pod can talk to every other pod β€” Network Policies let you stop that.

Mar 9, 20261 min read
kubernetessecuritynetworking
πŸ”€Day 36Beginner

Never Lose Track of Stashed Changes

Labeled stashes turn a pile of mystery changes into an organized queue you can navigate with confidence.

Mar 8, 20261 min read
gitworkflowproductivity
🐳Day 35Advanced

Hot-Reload Containers in Dev with Docker Compose Watch

Stop manually rebuilding containers every time you change a file β€” let Compose Watch do it for you.

Mar 7, 20261 min read
dockerdocker-composedevelopment
πŸ—οΈDay 34Intermediate

Validate Terraform Variables at Plan Time

Catch bad variable values at plan time instead of waiting for the cloud provider to reject them during apply.

Mar 6, 20261 min read
terraformvalidationbest-practices
πŸ”„Day 33Beginner

Share Build Outputs Between CI/CD Jobs with Artifacts

Artifacts let you pass build outputs between jobs so you build once and deploy the exact same binary everywhere.

Mar 5, 20261 min read
cicdgithub-actionsautomation