change dns address in gutsy permanently

[abhinandh]

dataone dns is having lot of problems and to shift to open dns when i type the dnsaddresses in system->administration->network , the settings are changed when connection is redialled.

 

[mehulved]

See /etc/dhcp/dhclient.conf
prepend <opendns>

 

[praka123]

if ur having a single computer and uses bridge mode(dials from linux to connect) it is easy;u need to "#" out the line "usepeerdns" in /etc/ppp/peers/dsl-provider and then add the opendns servers at /etc/resolv.conf as:

nameserver 208.67.222.222
nameserver 208.67.220.220

and go to *welcome.opendns.com for verification dataone dns server is down here most of the time .

if ur on pppoe dialer mode(router configured) then u have to add the opendns servers in the dns option in ur router webconfiguration page(192.168.1.1 ? )

 

[abhinandh]

See /etc/dhcp/dhclient.conf
prepend <opendns>

already tried that.no success

if ur having a single computer and uses bridge mode(dials from linux to connect) it is easy;u need to "#" out the line "usepeerdns" in /etc/ppp/peers/dsl-provider and then add the opendns servers at /etc/resolv.conf as:

nameserver 208.67.222.222
nameserver 208.67.220.220

and go to *welcome.opendns.com for verification dataone dns server is down here most of the time .

thank you very much.works like a charm.

 

[abhinandh]

@praka , got another prob.when restarted dns fields are empty and websites donot open unless i change the dns in system->administration->network

 

[NucleusKore]

Assign a static IP and disable DHCP, and assign the Open DNS numbers, and gateway (usually 192.168.1.1) by using the network configuration tool in the taskbar on your desktop.

 

[abhinandh]

*www.imgx.org/pthumbs/small/4340/Screenshot-eth0%20Properties.png
my conf is already static ip

 

[praka123]

@praka , got another prob.when restarted dns fields are empty and websites donot open unless i change the dns in system->administration->network

look at my /etc/ppp/peers/dsl-provider:

# Minimalistic default options file for DSL/PPPoE connections

noipdefault
defaultroute
replacedefaultroute
hide-password
#lcp-echo-interval 30
#lcp-echo-failure 4
noauth
persist
#mtu 1492
[B]#usepeerdns[/B]
plugin rp-pppoe.so eth0
user "userid"

I think there is prolly no chance of getting /etc/resolv.conf blank :
else u have to set attr option using

chattr +i /etc/resolv.conf

^to prevent overwriting and make sure u have opendns entries in /etc/resolv.conf as per post number #3

 

[mehulved]

How exactly do you connect to the internet?
Praka that's a bad way, though it works.

 

[gary4gar]

chattr does not work on all FS like ext4, so better find what causing the problem then remove.

Locking the file is not the correct way as mehul said

 

[mehulved]

it doesn't work on ext4? I thought ext4 was backwards compatible with ext3.
It's just a extfs feature. Won't work in any other fs AFAIK.

 

[praka123]

^ext4 may not be backward compatible ext3<=>ext2 .ext4 bundles many new features afaik.btw, commenting out (#) usepeerdns does the trick in bridge mode.

 

[abhinandh]

How exactly do you connect to the internet?

pon and poff commands to dial pppoe.
@praka reslov.conf is not empty but in the dns tab of system->administration->network it is empty and webpages donot open till i manually give it an address.

 

[praka123]

^that may be a gnome-system-tools failure(HAL).if ur having a single computer with dataone connection only for internet,i suggest you remove below packages for the ease;

sudo apt-get remove --purge network-manager network-manager-gnome

restart ur system or services to try again!

 

[abhinandh]

^that may be a gnome-system-tools failure(HAL).if ur having a single computer with dataone connection only for internet,i suggest you remove below packages for the ease;

sudo apt-get remove --purge network-manager network-manager-gnome

restart ur system or services to try again!

alright!! workin good.thanks.