Wolfgang Ziegler

Remove all local Docker resources (images, containers, ...).

docker system prune -a

Persist your git credentials on Linux.

git config --global credential.helper store

Check for undervoltage problems on your Raspberry Pi. Should return throttled=0x0.

vcgencmd get_throttled

Git

Undo the last local (not yet pushed) commit.

git reset --soft HEAD~1

JSON Crack - online JSON visualizer.

Git

Turn off page output (globally) for git commands (e.g. "git branch").

git config --global pager.branch false

Generate text banners in your terminal.

sudo apt-get install figlet

mdless - a Markdown viewer for the terminal.

The fastest way to mock a Web API or do verify the data your client is sending.

Find out your mainboard model using Linux commandline.

sudo dmidecode -t 2

quickchart.io - a server-side rendering library for Google Charts.

Ignore modified files due to changes in file permissions.

git config core.fileMode false

Git

Revert single files that you just committed.

git checkout HEAD~1 -- <path1> <path2>

If you want to logout from your Linux desktop session, but don't want to leave your terminal window.

gnome-session-quit

From time to time I clean up all the local branches that have assembled over time in a Git repository.

git branch | grep -v "main" | xargs git branch -D

Quick way to restart your Linux Desktop environment. Useful when trying out stuff that needs to run at startup.

sudo service lightdm restart

Git

Clear your git credentials (e.g. after a password change).

git config --unset user.password