May 12, 2014, 9:04 AM — Here's how you can install Unity 7.2 in Arch Linux. This will let you use Ubuntu's Unity desktop environment on your Arch Linux system.
1. Open a terminal window.
2. Type in the following command then hit Enter.
sudo vim /etc/pacman.conf
3. Paste in this text.
SigLevel = Optional TrustAll
Server = http://mooos.org/repos/moo/$arch
4. Type in the following commands then hit Enter after each.
sudo pacman -S unity