Thursday, November 24, 2016

Preserving changes in resolv.conf across reboots in OEL/REDHAT6

DNS servers in /etc/resolv.conf change after a reboot or network service restart.We need to shutdown NetworkManager and disable it.

root@rac1 network-scripts]# service NetworkManager stop
Stopping NetworkManager daemon:                            [  OK  ]
[root@rac1 network-scripts]# chkconfig NetworkManager off

at
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