-----Original Message----- From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Barry Brimer Sent: Friday, January 13, 2017 9:42 AM To: CentOS mailing list Subject: Re: [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. Have you tried adding PEERDNS=no to your ifcfg-device file? If that doesn't work, you might be able to use NM_CONTROLLED=no as well. Thanks, Giving it a try now.