On 01/13/2017 05:50 AM, Albert McCann wrote:
From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of TE Dukes
Sent: Friday, January 13, 2017 7:50 AM
To: 'CentOS mailing list' <firstname.lastname@example.org>
Subject: [CentOS] Unable to edit resolv.conf
I changed ISPs and need to update name servers in resolv.conf.
I have tried nano, gedit, Webmin, system-config-network and it won't allow
me to make the changes.
I have Network Manager turned off and when I enable it , eth0 and eth1
have no entries.
I enabled it, added the connections, but still no changes.
You haven't done what I've done intentionally, flag /etc/resolv.conf
immutable with "chattr +i /etc/resolv.conf" have you?
I do this to keep Network Manager and other busybodies from making unwanted
/ unneeded changes.
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.
I wish there was better documentation on how Network Manager is
configured because I can't figure out how to get it to behave.
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.
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