I upgraded my server from Ubuntu 8.10 to 9.04 and now my default route is missing. So every time I boot I have to manually add it back with the command:
sudo route add default gw 192.168.10.1
How do I make that permanent?
I believe the configuration file is in /etc/network/interfaces on ubuntu to add a gateway a.b.c.d,
The file would read something like: