Dotfiles

Setup with Ansible

The dotfiles, configuration, packages and services can be (partially) deployed with Ansible. See the ansible/README.md for details.

Hotkeys

• Super+`: Hide last notification (mako)
• Super+~: Show last notification (mako)
• Super+Pause: Open system control menu (poweroff, reboot, sleep etc.)
• Super+d: Open application launcher
• Super+q: Close application
• Super+Shift+Q: Kill application

HTTP Server

Create a simple HTTP server in the current directory with python:

# python3 -m http.server

Debian

Show all packages from 'contrib' and 'non-free'

dpkg-query -W --showformat='${Package}\t${Section}\n' |grep -e non-free -e contrib

tar

Because I can never remember how to do this:

$ tar -czvf [OUTPUT.tar.gz] [ITEMS...]
$ tar -czvf - [ITEMS...] | pigz --best > [OUTPUT.tgz] # multi-threaded

ffmpeg: Create Slideshow from Images

see https://trac.ffmpeg.org/wiki/Slideshow

MP4:

cat *.JPG | ffmpeg -framerate 24 -f image2pipe -i - -c:v libx264 -pix_fmt yuv420p out.mp4

WebM:

cat *.JPG | ffmpeg -framerate 24 -f image2pipe -i - -vf scale=1920:-1 -c:v libvpx-vp9 -crf 30 -b:v 0  -pix_fmt yuv420p out.webm

Default Applications

Set default web-browser in Debian:

$ update-alternatives --config x-www-browser