> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Gordon > Messmer > Sent: Friday, January 13, 2017 10:42 AM > To: CentOS mailing list > Subject: Re: [CentOS] Unable to edit resolv.conf > > On 01/13/2017 07:07 AM, TE Dukes wrote: > > I may have. If so, is there a way to undo it? > > > You can determine whether you've set the file's immutable attribute using > "lsattr". You can remove it using "chattr -i" > I found that I had done a chattr -i /etc/resolv.conf some time ago. Its now corrected. Thanks for all the help!!