Code Snippets
Creating secret keys from the command line
Within linux
openssl rand -base64 32
With python
import secrets
secrets.token_hex(24)
How to set gnome wallpaper using the command line
gsettings set org.gnome.desktop.background picture-uri file:///path/to/image
Setting bing's image of the day as wallpaper
wget -O /tmp/wallpaper.jpg "http://www.bing.com/$(wget -q -O- https://binged.it/2ZButYc | sed -e 's/<[^>]*>//g' | cut -d / -f2 | cut -d \& -f1)"
gsettings set org.gnome.desktop.background picture-uri file:////tmp/wallpaper.jpg
Source: https://linuxconfig.org/set-wallpaper-on-ubuntu-20-04-using-command-line