I had this problem suddenly after an update (update released yesterday) because i didn't have it before. Checking it, i saw that my user was in the admin group, but no in the sudo group, so after adding the user to the group, i have the button again.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/967978 Title: missing "apply system-wide" in network>proxy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/967978/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
