Check if this package is installed : resolvconf. It was present on a computer which had Xubuntu breezy and then was updated to dapper. After removal, /etc/resolv.conf isn't overwritten anymore (which is were your DNS are stored).
-- No DNS at computer start https://launchpad.net/bugs/54115 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
