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Almost very often I get server not found issues while surfing with auto ethernet connection. Also I have tried with various options in Ubuntu 12.04 LTS but in vain .

I'm using wired connection. I have tried few options by google but didn't help much .

I have recently installed Ubuntu by scrapping Windows 7 and it was super before but now worst.

ifconfig output:

eth0      Link encap:Ethernet  HWaddr 00:1c:c0:b8:27:8c  
          inet addr:192.168.1.4  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::21c:c0ff:feb8:278c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:326314 errors:0 dropped:0 overruns:0 frame:0
          TX packets:219569 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:466217759 (466.2 MB)  TX bytes:16693491 (16.6 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:4582 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4582 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:432075 (432.0 KB)  TX bytes:432075 (432.0 KB)

Again i had server not found issues just a while ago, looks like i'm able to ping with out any issues. 

64 bytes from 8.8.8.8: icmp_req=19 ttl=49 time=92.5 ms 
64 bytes from 8.8.8.8: icmp_req=20 ttl=49 time=92.3 ms
 ^C
--- 8.8.8.8 ping statistics --- 
20 packets transmitted, 20 received, 0% packet loss, time 19025ms
rtt min/avg/max/mdev = 91.790/94.960/98.017/2.371 ms

I've tried my best using this link ( How to connect to Wired internet connection through terminal?) but its not working .

Please can anybody help .. on this .

I'm using a broadband wired connection can any body give me the steps to configure right from beginning. Also i use router for my laptop wifi connection that works fine with out any issues but not for desktop through wired connection . 

cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.0.1

$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
Community
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user174878
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1 Answers1

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First disable the NetworkManager-controlled local forwarding nameserver. Open a Terminal window and run sudo gedit /etc/NetworkManager/NetworkManager.conf. Comment out the line dns=dnsmasq — that is, put a # character at the beginning of the line. Save the file. Then run sudo restart network-manager.

After that you should have one or more nameserver lines in /etc/resolv.conf with addresses of external nameservers. Does DNS work more reliably now?

If you still have intermittent DNS failures then it is probably because the first listed nameserver is not working correctly or you have an intermittent connection with that nameserver.

jdthood
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