looks like when you upgraded the third party sources file /etc/apt/sources.list.d/oem-somerville-squirtle-meta.list.distUpgrade was created to back up /etc/apt/sources.list.d/oem-somerville-squirtle-meta.list
or something similar happened. Can you do sudo mv /etc/apt/sources.list.d/oem-somerville-squirtle-meta.list.distUpgrade /etc/apt/sources.list.d/oem-somerville-squirtle-meta.list sudo apt update This is just a config issue looks like You should be able to see dell packages now? ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2104843 Title: apt update fails to find source To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2104843/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
