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Reading and Analyzing Linux Logs
·1584 words·8 mins
Where Linux logs live, how to read the systemd journal with journalctl, how to work with traditional log files, and practical patterns for finding what you need when something breaks.
Packet Analysis with tcpdump: Seeing What's on the Wire
·1651 words·8 mins
A practical guide to capturing and analyzing network traffic with tcpdump — filters, output formats, common patterns, and how to read packet dumps.
Git Configuration: Aliases, Settings, and Hooks
How to customize Git to fit your workflow — global and local settings, useful aliases, output formatting, and hooks that automate repetitive tasks.
Git Collaboration: Remotes, Fetch, Pull, and Pull Requests
How to work with others using Git — managing remotes, syncing changes, handling upstream repositories, forking, and the pull request workflow.
Git History: Log, Diff, Blame, and Bisect
How to explore and investigate your project’s history — viewing commits, comparing changes, finding who changed what, and tracking down the exact commit that introduced a bug.