Software :: Nameserver Entries In /etc/resolv.conf?

Sep 1, 2010

As I understand it, /etc/resolv.conf is rewritten at boot time by NetworkManager (a script?)I have a problem in the order the nameserver entries are written by my system (F13). This is:

nameserver xxx.233.0.4


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OpenSUSE Network :: Extraneous Nameserver Entries In Resolv.conf?

Mar 4, 2011

This continues a thread started in the applications forum:mc hangs temporarily when network is downmc (Midnight Commander) hangs on my desktop but not on my laptop. When I compared desktop and laptop configurations, I found the following differences:

/etc/hosts files:
Laptop:, linux-4xt8


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Networking :: Secondary Nameserver Resolv.conf Not Queried?

Dec 7, 2010

I'm trying to query the second nameserver on a local network to resolve local domain names to IP's.

$ ping ids.mydomain.loc
ping: unknown host mydomain.loc


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Fedora Networking :: Name Resolution: Resolv.conf - NetworkManager - Nameserver

Mar 22, 2009

I just installed F10 from a Live download iso on a Sony VAIO laptop with an Intel PRO/Wireless LAN2100 3B Mini PCI Adapter. The linux driver is ipw2100 and functions without problems.

After the install I accepted the update downloads offer and downloaded somewhere around 170 updates. The kernel version is

I am using a Linksys WRT55AG as a DHCP server. Using NetworkManger it assigns IP addresses without incident.

My problem is that I can't get name resolution to function without manual intervention.

I can ping other wireless nodes on my network and the response to $ dig -q is: ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 30153

The /etc/resolv.conf file contains no entry for 'nameserver=' and if I manually edit /etc/resolv.conf, it is overwritten on reboot or restarting the NetworkManager service. I am aware of /etc/sysconfig/networking/profiles/default/resolv.conf.

Additionally, in the var/log/messages file I can see that NetworkManager makes links between /etc/resolv.conf and the default version.

However, after either rebooting or restarting the NetworkManager service, if I manually enter a DNS address (my wireless router) under the DNS tab of the system-config-network 1.5.95 application. This address does not persist after either rebooting or restarting NetworkManager.

If I disable NetworkManager, I can't get the WRT55AG to assign the wilreless adapter an IP address.

So the bottom line and my question is what do I need to do in order to simply boot and have wireless connectivity?

To what file does system-config-network 1.5.95 write the DNS address entered from it's GUI?

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Debian Configuration :: Picking Up The ISP's DNS Servers And Using That As The Nameserver Entries?

Aug 15, 2010

How can I have /etc/resolv.conf point to my router address as the nameserver nameserver

instead of picking up the ISP's DNS servers and using that as the nameserver entries? Reason being I have more than one ISP account, and when I change I do not want to have to remember to restart the networking service. because i often forget.

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Server :: Save The Resolve.conf About Nameserver Forever?

Jun 20, 2011

I use red hat Es 5.5 64 bit.. I find the item nameserver in resolv.conf cannnot be saved. Everytime ,reboot or restart the netwrok service . The data in resolv.conf will be removed and clear . I need to edit it again . I also try to add DNS1=XX.XX.XX.Xx in ifcfg-eth2 but the same problem. in it , the resolv.conf is still need to edit every network service restart . So, how to save the resolve.conf about nameserver forever ??

[root@vls etc]# cat resolv.conf
# Generated by NetworkManager
# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:


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Debian Configuration :: Can't Get DNS Client To Use What's In Resolv.conf

Jun 18, 2010

My Debian workstation is on a predominantly Windows network. It is resolving internet addresses (i.e., etc) just fine. However it's not resolving any of the address of machines on the local network and the windows machines do not resolve the linux machines address either. All machines (linux and windows) can access each other just fine via direct IP reference.

My /etc/resolv.conf file has the following IP addresses listed: is a netgear VPN/router that is the primary router for the LAN and maintains a VPN to a remote office is the IP address of the Windows Primary Domain control on which the DNS server is running. That server is at the remote office. The system acts like it is completely ignoring anything I put in the resolv.conf file. From the linux X server I'm using "Network Setting" utility to make changes to the network configuration. This appears to work fine for things like switch between DHCP and static IP.

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Fedora Networking :: Resolv.conf Not Replaced

Nov 1, 2010

I use Fedora 13 (minimal installation), ISC DHCP server 4.1.1-P1. I'm running Fedora 13 too on a separate machine (minimal installation) with ISC DHCPclient 4.1.1-P1. My goal is to do some IPv6 testing. When I use the DHCP client manually (dhclient -6 -timeout 5 -d -v eth0), the client retrieves and installs a dynamically assigned IPv6 address.

Additionally, the client gets 1 DNS resolver address and 1 DNS search list. The resolver address and DNS search list always get written into /etc/resolv.conf. Perfect, exactly what I need. But when I do a "service network restart" or restart my system (which should trigger the same, as far as I understood), the DNS resolver addr and the search list get written into /etc/ and the /etc/resolv.conf stays as before. How can I change this behavior? I don't need the .save file, I just want to have /etc/resolv.conf replaced by the latest DNS information.

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General :: Dhclient Overwriting Resolv.conf?

May 30, 2011

I'm setting up virtual dev environments and I want the hostname.domain to be something specific, eg- "barney.local". However my /etc/resolv.conf file keeps getting nuked because i'm using DHCP. I placed this into my dhclient.conf:

supersede domain-name "localhost"
supersede host-name "barney"

but it didn't help. I'm not sure where I'm going wrong. How can I still use DHCP but configure that virtual environment to see itself as barney.local?

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Ubuntu Networking :: How To Keep /etc/resolv.conf Static

Apr 22, 2010

How can I keep /etc/resolv.conf static ... as in preventing it from being changed by the network manager ... without actually disabling the network manager (so wireless users can get their wireless setup that includes IP address, but leave the resolver configuration as is)?

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Ubuntu Servers :: Where Did My Resolv.conf File Go?

May 8, 2010

I tried to setup a dyndns, and ever since I tried to get that setup, I can't access my webmin, or access /etc/hosts/resolv.conf. But I can still access my samba shares I had created before this happened.

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Ubuntu Networking :: Resolv.conf Keeps Getting Reset By Something

Aug 26, 2011

I need help figuring out why my resolv.conf keeps changing to this, causing me to not be able to access the outside internet and only the local network.I thought I fixed it by getting rid of the loopback interface and adding in the eth0 interface in /etc/network/interfaces URl...And then things would work temporarily, and eventually the nameserver in resolv.conf would get reverted again.

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Networking :: /etc/resolv.conf Not Updated By Dhcp

Mar 4, 2010

I am using kubuntu 9.10 64-bit on AMD M500 machine i removed networkmanager (because i had frequent disconnect) and installed wicd but the /etc/resolv.conf had a comment on top which says that it is to be configured by networkmanager (still) I put the DNS in there manually and it works What to put in there so that it uses DHCP ? Maybe its set to be not written by anyone other than networkmanager ??

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General :: Resolv.conf Search Limited To Six?

May 11, 2009

As you may well be aware the resolv.conf search appears to be limited to 6 domains. I need 7 One thing I noticed is that if you run nslookup on a short name that is in the 7th search it does work but ssh does not. I'm guessing that nslookup is actually reading the whole file and isn't limited.

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Networking :: Resolv.conf Wrong Format?

Jul 1, 2010

When I boot my computer (Ubuntu 9.10) /etc/resolv.conf is written as:# Generated by Connection Managernameserver, if I try to do anything from the command line, I get an error like:host: parse of /etc/resolv.conf failedI then need to edit /etc/resolv.conf to:

# Generated by Connection Manager


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Server :: Use Resolv.conf To Have A Local DNS Entry?

Jan 10, 2011

I am having a situation where I do not have DNS server (the person who has that is not me) for a few websites which are running on a reverse proxy. I recently after having a long trouble shooting hours found that my proxy pass entries look as follows


ProxyPass /app1
ProxyPass /
ProxyPassReverse /app1
ProxyPassReverse /

If I use the entries as above then some one from internet is able to access the sites.But from within LAN people are unable to access it.

How ever if I use


ProxyPass /app1
ProxyPass /
ProxyPassReverse /app1
ProxyPassReverse /

then things work on LAN but from internet it is not accessible.What can be a solution in this case will putting things in resolv.conf do?

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Debian :: : /etc/resolv.conf Overwritten By Network-manager?

Sep 2, 2011

I have been trying to follow this guide for dnssec in which at the very last it gives that you should change the value in /etc/resolv.conf to Now in mine, network-manager overwrites the values. Is there a way to stop network-manager from overwriting the values in /etc/resolv.conf ?seems the simplest is to write-protect it. chattr +i /etc/resolv.conf

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Debian Configuration :: Resolv.conf: Search Domain Ignored?

May 28, 2010

On my computer (running debian lenny), the network is configured this way (this is a minimal example):/etc/resolv.conf:search bar

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Debian Configuration :: Preferred Resolv.conf Fix For Bind9?

Dec 30, 2010

I "fixed" my Lenny home server bind9 configuration because my resolv.conf was always overwritten loosing configuration. The fix involved adding the following to /etc/resolvconf.resolv.conf.d.base.

##base file at /etc/resolveconf/resolveconf.d/base


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Fedora Networking :: Resolv.conf Reset Itself In Default?

Jun 4, 2010

I'm trying to set this open-nic-dns ( as default (instead of - router-ip). So if I try to edit /etc/resolv.conf to this nameserver - but if i restart it's again.

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Ubuntu Networking :: Resolv.conf Goes Blank On Reboot?

Jan 4, 2010

I'm having problems with my resolv.conf file. Every time I reboot my computer it goes blank and I have to re-type it before I can get on the network. How do I prevent it from being overwritten?

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Ubuntu Networking :: KVPNC And VPN / Errors The /etc/resolv.conf?

Feb 4, 2010

I am using KVPNC (recommended by the VPN owner) on Ubuntu 9.10 using my Universities direct Ethernet connection.

I have downloaded all the .ovpn scripts to a directory. I have downloaded KVPNC from the repository (apparently for 9.10 you do not download from the KVPNC website).

I then use sudo kvpnc and select a server (since there are many based on the .ovpn files).I click connect and the script works and tells me I have a connection. See below for an example. All appears to work.

But when I actually load any Internet program e.g. Firefox it cannot find a website.This happens for all servers which have different locations around the world.When I disconnect KVPNC I still have no access. I have to remove the Ethernet cable before it works again.

debug: Connect try requested, profile: Stockholm, type: OpenVPN
debug: openvpn: /usr/sbin/openvpn
debug: Support for TUN/TAP found (compiled into kernel or kernel module already loaded).
debug: Default interface: "eth0".
debug: IP address of default interface: "my IP address".

I realise there are errors e.g. the /etc/resolv.conf must be a symlink but have tried doing this and still have exactly the same issues.

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Ubuntu Networking :: /etc/resolv.conf Not Updated On Startup?

Mar 9, 2010

I'm using 9.10 Ubuntu Karmic 64-bit (but same thing happens on my 32 bit VM on same PC).

My /etc/resolf/conf file is not updated with DNS information on first boot. The DNS information is in the /etc/network/interfaces file.

The trick I have to do every time I reboot the PC is:

sudo ifdown eth0 && sudo ifup eth0

First off, why? Second how can I resolve this issue?

I have three NICs eth0 and 1 are normal LANs connected to the internet, but I choose eth0 as the primary. eth2 is a local private one. the DNS information from eth0 should be in the resolv.conf file but isn't. The file is empty at bootup, except for some comments instructing me not to edit this. After running the above sudo commands the file is properly updated and internet works.

Here's my /etc/network/interfaces file's contents:

auto lo
iface lo inet loopback
auto eth0
#iface eth0 inet dhcp


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Ubuntu :: Deleted Resolv.Conf Folder - How To Write New One

May 1, 2010

Unfortunately I have deleted with sudo the resolv.conf folder in /etc/. How can I write a new one? What files contains your resolv.conf folder?

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Ubuntu :: Network Manager Changing Resolv.conf?

May 7, 2010

The local DNS server is slow, so I added the openDNS servers to /etc/dhcp3/dhclient.conf. But Network manager keeps appending the local DNS server to resolv.conf. I need to pick up a DHCP address but how to stop it changing DNS servers?

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Ubuntu Networking :: Resolv.conf Doesn't Work?

Oct 12, 2010

My network works before but now it has follow issue, when I ping, I got Quote:

ping: unknown host but my network still works partially because I can still connect to a DNS listed in my /etc/resolv.conf to get host's ip adress by Quote:

host -t a and then I ping the returned IP result, the ping works fine. the issue is that I can't connect to Internet, what I can remember is that I ever removed /etc/resolv.conf and this file was created again by network-manager, and I already verified the two dns IPs listed in the resolv.conf are both correct and works fine with command host.

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Ubuntu :: Can't Edit Resolv.conf File Under Root?

Feb 12, 2011

I am trying to edit my /etc/resolv.conf file while under root. After saving the changes and reboot my computer, file has not changed. I read a thread on chattr and lsattr on this fourm.(see link below) I ran in terminal lsattr /etc/resolv.conf and got the following results:-----------------e- /etc/resolv.confWhat does the dashes and e mean? I thought I would get ----ia------------ /etc/resolv.conf instead, as shown in the link. What am I doing wrong?

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General :: Keep Losing /etc/resolv.conf Configuration At Reboot?

Jan 20, 2011

Every time my workstation reboots I have to manually redo my resolv.conf file because some of the servers I manage use apparently different nameservers than what my system is registering at boot. Is there a way to make sure my resolv.conf file says static?

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Networking :: DHCP Get IP Address But Not Overwrite Resolv.conf?

Aug 16, 2010

I have an Ubuntu 10.04 server. It gets its IP address by DHCP (the router has a fixed reservation so it always gets the same one). However, it needs its nameserver to be itself, and not the DNS servers given out by the router. How can I make dhcp not overwrite resolve.conf?

(Yes I know I could just set a static IP. But I'm testing stuff out here, and want to know if it can be done without doing that.)

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Networking :: Resolv.conf Doesn't Work With Secondary DNS?

Jan 11, 2010

We recently moved all our Red Hat Linux machines from NIS to LDAP and we're seeing some issues with name resolution.

One thing I should mention is that DNS (the first nameserver in resolv.conf)is being used by LDAP for name resolution.

Now our resolv.conf file has always looked like this.

Nameserver xx.xx.xx.xx

The problem is that the above resolv.conf file doesnt work anymore. The only way that our workstations get name resolution is by commenting out the second and forth lines, which happen to be our secondary DNS. This has got me confused because why would resolv.conf be broken by having a secondary nameserver and search path? Shouldnt it just use the first nameserver unless it fails to resolve? Almost seems like just having the secondary in the file breaks name resolution. I cant ping local hosts or anything on the internet unless I do this:

Nameserver xx.xx.xx.xx

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