I set the attached shell script to start automatically when I log in and it mitigated the problem for me. It checks every 5 seconds for running apt-check processes and terminates them. Of course, use it at your own risk, I can't guarantee that it will have no unexpected side effects ;)
** Attachment added: "apt-check_killer.sh" https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1540830/+attachment/4572758/+files/apt-check_killer.sh -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1540830 Title: After Plasma 5.5.3 - apt-check causes massive load / creates 100's of processes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1540830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
