Friday, April 12, 2013

/etc/resolv.conf got overwritten in Oracle EL6


To resolve this problem. There are two options.

1. Use network manager interface to change the interface setting.
System-> Perferences-> Network Connections -> Wired tab -> [InterfaceName]-> Edit-> IPV4 Settings Tab->
Change DNS Servers
Change search domains

2. Use the the following manual change
In the file: /etc/sysconfig/network-scripts/ifcfg-<iface>

You need to add all of your specific resolv.conf entries, such as:

DNS1="216.239.32.10"
DNS2="216.83.130.2"
DNS3="216.83.130.7"
DOMAIN="mydomain.com"
SEARCH="mydomain.com. yourdomain.com. otherdomain.com.

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