RHEL 7 file /etc/resolv.conf generated by /usr/sbin/dhclient-script
For manual configuration on RHEL 7 DNS address on /etc/resolv.conf
, the configuration always reverts back after reboot because dhclient script controlling it, and it’s having label ';generated by /usr/sbin/dhclient-script'
.
![/etc/resolv.conf is having generated by usr sbin dhclient-script](/images/2019-03-20-rhel-7-etc-resolve-generated-by-usr-sbin-dhclient-script/etcresolvconf-is-having-generated-by-usr-sbin-dhclient-script.png)
To solve this issue, edit file /etc/dhclient-enter-hooks
vi /etc/dhclient-enter-hooks
And append code
make_resolv_conf(){
:
}
Save and close the file.