For me this is a bug in sudo configuration, because it does not properly resets the environment to use root's own home. It will have several other issues related to sharing configuration between users, that aren't resolved by simply adding the UID to the socket name.
S/A https://sourceforge.net/p/geany/bugs/968/#0067 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1536760 Title: geany cannot open simultaneously by multiple user To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/geany/+bug/1536760/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs