Ubuntu 15.04 ‘Vivid Vervet’ has been released. While you wait for your freshly minted ISO download to complete, join us in our bi-annual rundown of things to do after installing Ubuntu. Whether you’re doing a clean install or upgrading from an earlier version, our checklist of post-install tasks should help nudge forgetful fans and hold the hands of new users alike. Ready? Let’s roll. 1. See What’