David wrote:
I'm just building a brand new Ubuntu server box. Unfortunately I put in
the wrong address for the nameserver so I changed it manually (edited
/etc/resolv.conf and /etc/network/interfaces) and now if I restart
networking I lose the eth0 connection completely! ie, ifconfig only shows
loopback.
If I completely reboot the machine, eth0 comes back and works fine until
the next time I restart networking :(
Can anyone suggest what I'm doing wrong?
disclaimer: AFAIK is ubuntu very similar to debian, so this suggestions
might not work if the differences between debian and ubuntu are to big.
the network scripts utilizes the commands ifup and ifdown (located in
/sbin). so you can try to call the commands ifup/ifdown directly and to
turn on the verbose-mode.
e.g. as root
$ ifdown -v eth0
$ ifup -v eth0
because the network-script does more than just bringing up the
interfaces, you could also run the network script in debug mode and
check the output for possible error messages.
$ bash -x /etc/init.d/network restart
hth, gottfried
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