Documentation

RJ45 Ethernet Pinout: T-568A and T-568B Crimping Reference

2026-09-07 ·1 min read

A quick RJ45 Ethernet crimping reference with T-568A and T-568B wire orders, connector orientation, and notes on crossover cables.

2026-09-01 ·1 min read

Restore the Android Emulator’s old Location UI on GNU/Linux to work around blank maps and freezes by disabling LocationUiV2.

2025-05-21 ·2 min read

Prevent speech-dispatcher from starting on demand on Debian 12 with DisableAutoSpawn to address high PulseAudio CPU usage.

2024-08-25 ·1 min read

Configure HTTPS for Jenkins with Sectigo certificates by creating PKCS#12 and JKS keystores using OpenSSL and keytool.

2021-11-12 ·1 min read

Remove a Git submodule by updating .gitmodules and .git/config, removing it from the index, and deleting the untracked files.

2020-07-29 ·1 min read

Fix Git’s 'Filename too long' checkout error on Windows by enabling core.longpaths in the system Git configuration.

2019-09-13 ·2 min read

A reference table of alpha hex codes for opacity percentages from 0% to 100%, with examples for Android #AARRGGBB colors.

2019-04-10 ·1 min read

Reset the macOS Dock to its default settings with a Terminal command that deletes its saved preferences and restarts the Dock.

2019-03-27 ·1 min read

Make a directory writable by Apache on macOS by assigning ownership to _www and setting permissions with chown and chmod.

2018-11-08 ·2 min read

Automatically increment an Android app’s versionCode for release APK builds using Gradle and a version.properties file.