On 01/13/2017 07:00 AM, Albert McCann wrote: >> -----Original Message----- >> From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Alice Wonder >> Sent: Friday, January 13, 2017 8:59 AM >> To: centos at centos.org >> Subject: Re: [CentOS] Unable to edit resolv.conf >> >> I've tried to figure out how to get Network Manager to leave various >> configuration files alone and just gave up - resorting to cron job >> running as root every minute fixing them if they have been modified. > ... >> My home router - the caching nameserver it uses doesn't enforce DNSSEC >> and crashes about once a week, requiring a restart. So I just don't use >> it except for my phone and tablet, and just run unbound on my local >> machines, but Network Manager keeps trying to use the nameserver >> assigned by the router DHCP (which is the router) and other than a once >> a minute cron job, can't figure out how to tell Network Manager to >> ignore the nameserver setting. > > Have you tried setting PEERDNS=no in the > /etc/sysconfig/network-scripts/ifcfg-<X> script(s)? > > I have an ancient note here from 5.x days with the above fix. That might work on my desktop but I don't think it would work on my laptop where it seems to create new network scripts for every wifi network it connects to.