Link : https://github.com/Mayccoll/Gogh Pre-install : 1. edit .tmux.conf input " set -g default-terminal "screen-256color" 2. Follow installation on github 2a . sudo apt-get install dconf-cli uuid-runtime 2b . bash -c "$(wget -qO- https://git.io/vQgMr)" (use interactive mode) 3. IF FAILED on 2b step or ouput : Supported terminals: mintty and deriviates guake iTerm2 elementary terminal (pantheon/elementary) mate-terminal gnome-terminal tilix xfce4-terminal If you believe you have recieved this message in error, try manually setting 'TERMINAL', hint: ps -h -o comm -p $PPID then, declare first $TERMINAL using export: 3a . export TERMINAL=gnome-terminal 3b . bash -c "$(wget -qO- https://git.io/vQgMr)" Result, i installed gruvbox theme