How do I enable ‘minimize on click’ on Ubuntu dock

Open Terminal and run

gsettings set click-action 'minimize'

To revert to the default option, simply run

gsettings reset click-action

How to make dock background 80% transparent in Ubuntu

First enable custom colors:

gsettings set transparency-mode 'FIXED'

Then, to set transparency to 80%, issue the command

gsettings set background-opacity 0.2

Change 0.0 to any number between 0 and 1.

To reset to the default setting:

gsettings reset background-opacity

Make file manager always show full path (not only with ctrl + l)

gsettings set org.gnome.nautilus.preferences always-use-location-entry true

Create a wallpaper slideshow using bash script and cron

Save this script as a bash file, update the DIR variable to point to your photo collection and schedule it with a cronjob.

#!/usr/bin/env bash

# Update the DIR variable to point to your photos

PIC=$(ls $DIR/* | shuf -n1)

RUID=$(who | awk 'FNR == 1 {print $1}')
RUSER_UID=$(id -u ${RUID})
sudo -u ${RUID} DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/${RUSER_UID}/bus" gsettings set org.gnome.desktop.background picture-uri "file://$PIC"

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