Updated Installation of pam_panic (markdown)

Installation-of-pam_panic.md

@@ -1,5 +1,14 @@
 ## Arch Linux
-There's a rolling AUR now called `pam_panic-git`.
+There's a rolling AUR package called `pam_panic-git`.
+
+## Ubuntu
+There's a [PPA](https://launchpad.net/~bandie/+archive/ubuntu/pampanic).
+To install the package using the PPA:
+```
+sudo add-apt-repository ppa:bandie/pampanic
+sudo apt-get update
+sudo apt-get install pampanic
+```
 
 ## Compiling from sources