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Homework and Emergencies Emergency UNIX and Linux Support Centos 7 Network Manager overwriting resolv.conf Post 302973469 by gull04 on Wednesday 18th of May 2016 04:20:09 AM
Old 05-18-2016
Hi,

I'd think that the best way might be to modify the file and then run;

Code:
# chattr +i /etc/resolv.conf

This will stop the file being modified - However if the server is using DHCP to pick up it's IP lease you may have problems if the lease expires.

Regards

Gull04
This User Gave Thanks to gull04 For This Post:
 

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dhclient.leases(5)						File Formats Manual						dhclient.leases(5)

NAME
dhclient.leases - DHCP client lease database DESCRIPTION
The Internet Systems Consortium DHCP client keeps a persistent database of leases that it has acquired that are still valid. The database is a free-form ASCII file containing one valid declaration per lease. If more than one declaration appears for a given lease, the last one in the file is used. The file is written as a log, so this is not an unusual occurrance. The format of the lease declarations is described in dhclient.conf(5). FILES
DBDIR/dhclient.leases SEE ALSO
dhclient(8), dhcp-options(5), dhclient.conf(5), dhcpd(8), dhcpd.conf(5), RFC2132, RFC2131. AUTHOR
dhclient(8) was written by Ted Lemon under a contract with Vixie Labs. Funding for this project was provided by Internet Systems Consor- tium. Information about Internet Systems Consortium can be found at https://www.isc.org. dhclient.leases(5)
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