I checked what exactly is breaking things: I'm not using the network manager, so I disconnected with ifdown; after ifup, my search domain list contained comma's again. So it is not just rebooting but every reconnection that is breaking things.
-- /etc/resolv.conf inserts commas between Search Domains https://bugs.launchpad.net/bugs/288052 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
