Bash case Statement Shell Script: CLI Menu for Linux Ops Tasks
Build a Bash case statement script for Linux ops: status, reload, logs subcommands, validate input, usage text, and…
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watch Command on Linux: Monitor df, ss, and Logs Every Few Seconds
Use watch on Linux to rerun commands on an interval: watch -n 2 df -h, highlight changes with…
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xargs Command on Linux: Safe find Pipelines, -0, -I and Parallel Runs
Use xargs on Linux to turn line input into command arguments: find -print0 | xargs -0, avoid word…
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jq Command on Linux: Parse JSON from curl, APIs and kubectl
Master jq on Linux: install jq, select fields with dot notation, filter arrays, pipe curl and kubectl output,…
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How to Install kubectl on Linux and Use It (get, describe, logs)
Install kubectl on Linux from official binaries, configure kubeconfig, switch context, kubectl get pods/nodes, describe events, logs, and…
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Bash getopts Shell Script: Parse -d -r Flags for Linux CLI Tools
Build proper Linux CLI scripts with getopts: -h help, -d directory, -r retention days, validate combinations, and print…
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