In practice the two processes that run apt-get update are unaware of each other. When I'm updating of course I wouldn't intentionally run two instances in parallel. Indeed the other process is likely apt- daily.service.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1939665 Title: "apt-get update" fails if another instance is running To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1939665/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs