KOLLITSCH.dev*Patrick Kollitsch builds snappy websites for modern browsers - all from a little island called Koh Samui, where coconuts grow and deadlines stay chill.https://kollitsch.dev/Stop tracking files ignored by <code>.gitignore</code>https://kollitsch.dev/blog/2026/stop-tracking-files-ignored-by-gitignore/https://kollitsch.dev/blog/2026/stop-tracking-files-ignored-by-gitignore/Find files that Git still tracks despite matching .gitignore rules, then remove them from the index without deleting the local copies.Tue, 28 Jul 2026 08:00:00 GMTgitgitignoredotfilesclihowtoWhy is Git ignoring this file?https://kollitsch.dev/blog/2026/find-out-which-gitignore-rule-is-ignoring-a-file/https://kollitsch.dev/blog/2026/find-out-which-gitignore-rule-is-ignoring-a-file/Use git check-ignore to find the exact ignore file, line number, and pattern when Git unexpectedly ignores a file or directory.Mon, 27 Jul 2026 13:00:00 GMTquickietoday-i-learnedgitgitignorehowtoKurzschnitte II - These Cuts Go to Elevenhttps://kollitsch.dev/blog/2026/kurzschnitte-ii-11/https://kollitsch.dev/blog/2026/kurzschnitte-ii-11/Interesting links around the web, from web development to fun stuff.Sun, 26 Jul 2026 13:00:00 GMTkurzschnittebookmarksKeeping an old iMac usefulhttps://kollitsch.dev/blog/2026/keeping-an-old-imac-useful/https://kollitsch.dev/blog/2026/keeping-an-old-imac-useful/I revived a dead-fan 2012 iMac with Xubuntu 22.04, the 5.15 GA kernel, legacy NVIDIA drivers, and H.264-only video playback for a stable, cool media machine.Sat, 25 Jul 2026 13:00:00 GMTlinuxubuntu-2204xfcenvidiaimachardwaretroubleshootingKeeping <code>engines.node</code> aligned with the Node release schedulehttps://kollitsch.dev/blog/2026/keep-package-aligned-with-nodejs-releases/https://kollitsch.dev/blog/2026/keep-package-aligned-with-nodejs-releases/A script to automatically update `package.json` with the supported Node.js versions based on the official release schedule.Tue, 26 May 2026 22:55:46 GMTnodeconfigurationhow-toautomationPinning GitHub Actions to commit hasheshttps://kollitsch.dev/blog/2026/pinning-github-actions-to-commit-hashes/https://kollitsch.dev/blog/2026/pinning-github-actions-to-commit-hashes/A guide on how to pin GitHub Actions to specific commit hashes for better security and stability.Tue, 26 May 2026 00:52:58 GMTautomationgithubreproducibilitysecurityworkflowsdotfilesRFC 2119 for humanshttps://kollitsch.dev/blog/2026/rfc-2119-for-humans/https://kollitsch.dev/blog/2026/rfc-2119-for-humans/RFC 2119 explains MUST, SHOULD, and MAY in documentation. Learn how to read and use these terms correctly to avoid ambiguity and define clear rules.Mon, 04 May 2026 05:08:26 GMTrfcdocumentationprogrammingInstalling Firefox on Ubuntu without Snaphttps://kollitsch.dev/blog/2026/installing-firefox-on-ubuntu-without-snap/https://kollitsch.dev/blog/2026/installing-firefox-on-ubuntu-without-snap/A practical guide to removing the Snap version of Firefox and installing it from the Mozilla Team PPA on Ubuntu.Tue, 24 Mar 2026 06:29:35 GMTfirefoxsnapubuntuPolicy and guidelines for AI-based contributionshttps://kollitsch.dev/blog/2026/ai-in-contributions/https://kollitsch.dev/blog/2026/ai-in-contributions/Policy and guidelines for AI use in contributions. AI is a tool, not an author. Contributors must understand, own, and defend every change they submit.Sat, 21 Mar 2026 04:00:00 GMTaillmopen-sourceHandling Ubuntu EFI boot issues on Acer laptopshttps://kollitsch.dev/blog/2026/handling-ubuntu-efi-boot-issues-on-acer-laptops/https://kollitsch.dev/blog/2026/handling-ubuntu-efi-boot-issues-on-acer-laptops/Fix Ubuntu EFI boot problems on Acer laptops with manual workarounds, boot-repair diagnostics, and commands for resolving GRUB issues.Wed, 14 Jan 2026 21:36:17 GMThowtoubuntuaceruefiefi100daystooffload