Ubuntu LTS After reboot, no DNS

tumke · 07-25-2012, 01:45 AM

Hi All,
Recently i started building my own webserver.
Setup: Ubuntu LTS 12.04, webmin, virtualmin, apache
After installing Ubuntu, webmin and virtualmin, I made a reboot.

After this reboot, DNS lookups are impossible.
After i add nameservers to: /etc/resolv.conf, dns lookups are working again, offcourse, until the next reboot.
If i look in my dns settings in webmin, everything seems to look fine.

Does anyone have an idea what is going wrong?

Slackyman · 07-25-2012, 02:21 AM

Rebbot the system, then check your configuration with:

Code:

sudo ethtool eth0

(maybe you have some daemon setting your network interfaces automatically, so you need to change this behaviour.)
If you don't have ethtool installed then
sudo apt-get install ethtool
Anyway, you can even check your configuration by
cat /etc/network/interfaces

tumke · 07-25-2012, 02:36 AM

Thanx for your reply;
I tried your option:
sudo ethtool eth0
sudo: ethtool: command not found

The second option you gave me:

dns-nameservers 62.X.X.X 62.X.X.X
post-up iptables-restore < /etc/iptables.up.rules
# dns-* options are implemented by the resolvconf package, if installed

I fixed it now with the following:
sudo nano /etc/resolvconf/resolv.conf.d/base
addded nameservers

IS this the right solution? Any disadvantages?

Lexus45 · 07-25-2012, 06:54 AM

http://akyl.net/changes-dns-resolvco...ecise-pangolin
http://askubuntu.com/questions/13045...ia-resolv-conf
They've made changes. In fact I don't like it.

Slackyman · 07-25-2012, 12:28 PM

[OT]
That F*****G /etc/resolvconf/resolv.conf.d/base is one of the thousands of reasons why someone says "Learn Ubuntu and you'll know Ubuntu. Learn Slackware and you'll know Linux".
I don't like the Ubuntu way neither the Debian style since they're "customizing" too much things.
I don't use Ubuntu since its 10.4 version.

SAGOALEXANDER · 07-25-2012, 02:41 PM

It looks like you fixed this issue already. But I wanted to let you know on some of the newer linux distro's you have to add the nameservers along with your IP address configuration instead of the resolve.conf file.