Official support for Ubuntu 14.10 "Utopic Unicorn" ended on July 23, 2015. Try upgrading to Ubuntu 15.04 "Vivid Vervet" instead, or wait for Ubuntu 15.10 "Wily Werewolf" to be released on October 22, 2015.
** Tags added: trusty -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1499225 Title: unity -v prints a DISPLAY error Status in Unity: New Status in unity package in Ubuntu: New Bug description: My OS is: Ubuntu 14.04 (preparing to upgrade to 14.10) When I tryed to check the verion of unity with command `unity -v`, I got following error output: $ unity -v File "/usr/bin/unity", line 64 print "WARNING: no DISPLAY variable set, setting it to :0" ^ SyntaxError: Missing parentheses in call to 'print' == end == * on my system, the enviroment variable "DISPLAY" is already set to " :0 " To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1499225/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp