Linux · 5 min
tmux Cheat Sheet: Sessions, Windows, Panes and Copy Mode
A tmux reference for remote work: sessions that survive SSH drops, windows, split panes, copy mode, synchronized panes, and a minimal tmux.conf.
cheat-sheet
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Kubernetes · 8 min
kubectl Cheat Sheet by Category
The most-used kubectl commands, grouped by task: cluster info, namespaces, pods, Deployments, Services, ConfigMaps, Secrets, storage, contexts and debugging.
Docker · 12 min
Install Docker on Ubuntu and Essential Docker Commands
Install Docker Engine on Ubuntu from Docker's official apt repository, then manage containers, images, networks and volumes with the essential CLI commands.
Git & GitHub · 13 min
Git Commands with Examples: Branch, Merge, Rebase, Stash and More
Everyday Git commands with examples: commit, diff, undo with restore, reset and revert, branches, merge conflicts, rebase, stash, tags, cherry-pick and squash.
Linux · 18 min
Linux Users, Permissions and Package Management
Manage users, groups, sudo, file permissions, links, apt packages, archives and processes on Ubuntu, with the commands and the files behind each one.
Linux · 16 min
Essential Linux Commands for DevOps
A task-based Linux command reference: navigating and managing files, reading logs, grep, sed, cut and awk, redirection, Vim, services, and basic networking.