How to check the version of Ubuntu you are running from the command prompt / terminal (remotely using something like PuTTY or locally…). Simply run the command: lsb_release -a This will display the description, release and Ubuntu codename, which you can cross reference at Ubuntu Release Versions.
POW·ER·CRAM NOUN, \ˈPAU̇(-Ə)R\ˈKRAM\ – CONSISE, USEFUL INFORMATION ABOUT COMPUTERS, NETWORKS AND CLOUD.