Questions tagged [resolv.conf]

/etc/resolv.conf contains Domain Name System(DNS) related configuration information on Unix systems.

138 questions
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How is DNS lookup configured for OSX Mountain Lion?

If I cat my resolv.conf, I see this message: # # Mac OS X Notice # # This file is not used by the host name and address resolution # or the DNS query routing mechanisms used by most processes on # this Mac OS X system. # # This file is automatically…
Ben Flynn
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NetworkManager is not changing /etc/resolv.conf after openvpn dns push

I've got a problem which is "NetworkManager is not updating /etc/resolv.conf after openvpn connection with dns push configured". Here's my openvpn server config: (I've changed domain name to ABC.COM for security reason…
jaor
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MySQL [Warning] IP address could not be resolved

I'm running MySQL5.6.3 on a CentOS 6.1 virtual machine running on Windows XP in VirtualBox. The network card is configured in bridge mode, so my physical & virtual machines share the same ethernet card. On the virtual machine, everything works fine:…
BenMorel
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second nameserver in /etc/resolv.conf not picked up by wget

My resolv.conf looks like this: ; generated by /sbin/dhclient-script search mcdc nameserver 10.0.4.48 nameserver 8.8.8.8 if I do nslookup www.google.com it works nslookup www.google.com ;; Got SERVFAIL reply from 10.0.4.48, trying next…
benhsu
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18
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3 answers

Resolv Conf Multiple DNS Servers with specific domains

I need the ability to have specific dns servers for multiple networks, and i would like to know how to properly update my /etc/resolv.conf: lets say I have a major vpn, that I route all my trafiic and DNS queries through it. But know I have another…
18
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2 answers

Adjusting how long Linux takes to fail over to backup DNS server listed in resolv.conf

Currently I'm using the plain vanilla linux configuration for resolv.conf... something like: nameserver 123.123.123.123 nameserver 8.8.8.8 When 123.123.123.123 goes down DNS queries become impossible slow, I'm assuming that Linux retries the first…
Adam Terrey
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18
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6 answers

Set DNS server on OS X even when without internet connection

I have installed, configured DNS server(local instance of Dnsmasq) which resolves to localhost as I want, all OK. When I go offline, it stops working, because OS X empty content of resolv.conf and ignore attempt to reflect changes in this file. Any…
daeltar
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12
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How to persist resolv.conf options such as rotate, timeout in CentOS?

CentOS will wipe out any manual changes made to /etc/resolv.conf periodically. The defaults in Linux are poor in terms of failing over in a reasonable time (query name servers in same order every time, 5 second timeout, 2 retries). Hence, the…
Adam C
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How to set DNS exclusively for a Network Namespace in Linux

I've created a network namespace in Linux. I thought there was a resolv.conf file for each namespaces created but it's not the case on my system. I don't have the following path /etc/netns/namespace_name/resolv.conf.. The folder netns doesn't…
jayce153
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3 answers

Configure a DNS server per nic interface (eth0 / eth1)?

How would you configure a DNS Name Server per NIC (eth0 vs eth1) interface on RHEL/Centos 6? E.g. eth0 is on subnet 10.0.0.1/24 eth1 is on subnet 192.168.0.1/24 Any requests sent over eth0 should use DNS server 10.0.0.2. Any requests sent over eth1…
DevGav
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11
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Vagrant/VirtualBox can't resolve some domains from w/in VM

Just trying out VirtualBox & Vagrant and my initial lucid64 VM can't resolve us.archive.ubuntu.com but can resolve security.ubuntu.com, google.com and www.apple.com (but not apple.com w/out the www?!?!). The host that the VM is running in can…
Meltemi
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OpenVPN and systemd-resolved

How does one use the dns pushed via an openvpn server with systemd-resolved ? Before I decide to 'upgrade' to systemd-networkd. I could use some variant of openvpn-resolv-conf script to call resolvconf to manage entries in /etc/resolv.conf on…
sw1nn
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Why nslookup doesn't use mdns while ping do?

In dnsmasq.conf: address=/local/127.0.0.1 In resolv.conf: # Generated by NetworkManager domain example.com search example.com nameserver 127.0.0.1 nameserver 10.66.127.17 nameserver 10.68.5.26 I can use nslookup: # nslookup www.local Server: …
dspjm
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Why must a linux server be rebooted to properly handle a change in resolv.conf?

I know this has to just be a lack of my understanding but here's the problem. We recently changed DNS servers from 192.168.1.1 to .2, so I went around to all 8 of my linux servers and changed /etc/resolv.conf to reflect the change. Note that…
Gray
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order of nameservers in resolv.conf

In which oder are the nameservers stated in resolv.conf used for name resolution? Is there a way to influence this order? Is this behavior distribution dependent? (I'm using Debian Squeeze)
Scolytus
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