> -----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. Al -- He who finds an old key does not require a new one.