• Install Ubuntu MATE

MATE/i3 config

• Install i3, compton, dconf-editor, and Ulauncher
• Move i3 configuration to ~/.config/i3/config
• Add compton and Ulauncher to Startup Applications
• Change MATE window manager to i3 by running:

$ gsettings set org.mate.session.required-components windowmanager i3

• In dconf-editor, remove 'filemanager' from /org/mate/desktop/session/required-components-list

MATE theme

• Download Ambiant-MATE-Orange
• Install to the system by running:

$ tar -xvf Ambiant-MATE-orange.tgz
$ sudo cp -r Ambiant-MATE-orange /usr/share/themes

• In Appearance, change the theme to Ambiant-MATE-orange and the icon theme to Ubuntu-Mono-Dark.
• Repeat for Login Window.
• Change the Login Window background to the Ubuntu 10.10 default background

Plymouth (boot screen)

• Install the Ubuntu Plymouth theme:

$ sudo apt install plymouth-theme-ubuntu-logo

• Change the default Plymouth theme:

$ sudo update-alternatives --config default.plymouth

• Update the initramfs:

$ sudo update-initramfs -u