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Ubuntu 12.04 /etc/resolv.conf 127.0.0.1 implementation with dnsmasq
Posted by on May 9, 2012
On the current version of Ubuntu (12.04), you might notice that the current /etc/resolv.conf file always record a nameserver 127.0.0.1 which then resolv dns via dnsmasq, but most of the time after test few things, I found it more problematic. It always disregard my local DNS server, and goes directly to the DNS of my ISP.
If you’re having the same problem like mine, here’s a quickfix:
1. Modify the configuration /etc/NetworkManager/NetworkManager.conf
$> sudo gedit /etc/NetworkManager/NetworkManager.conf
2. Comment the line that contain “dns=dnsmasq“
[main] ... #dns-masq
3. Then restart the network-manager
$> sudo service network-manager restart
4. Done
I had a hard time trying to figure out why OpenDNS was not working on my laptop (Ubuntu 12.04). I have my router set up with DHCP to use OpenDNS servers. I was able to find out dnsmasq was the issue and now all is right with the world again. Thanks for the tip.
Thank you, I was just shouting on this! What the point to use DNSMASQ on a workstation, damn!
Many many thanks for the simple and effective hint! It’s so great to have a working DNS resolution again
……
THANK YOU! This was driving me crazy. it got to the point where I had a backup of a resolv.conf with the proper DNS servers that I had to manually copy over the active resolv.conf to get anything to work. Having to do this was a pain. I could not figure out why, for the life of me, they broke something so basic, so badly.
Ubuntu broke it all right. after a week of looking why dns-nameservers didnt work i found that supposedly resolv.conf could be edited or changed by at least 5 different programs or “features” that ubuntu could or would or may have or might have installed to make life simpler. BULL. it worked leave it alone. I still dont know how or why something edits my resolv.conf but i edited it the way i wanted and made it read only to EVERYBODY. works fine now.
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