-----Original Message----- From: CentOS [mailto:centos-bounces@centos.org] On Behalf Of Gordon Messmer Sent: Thursday, August 30, 2018 6:23 PM To: centos@centos.org Subject: Re: [CentOS] Mail has quit working
On 08/29/2018 06:54 PM, TE Dukes wrote:
Added back the IPV6 to /etc/hosts a couple days ago for grins and giggles. No longer getting IPV6 errors in logwatch for bind. Everything working.
I think removing my ISP's nameservers from /etc/resolv.conf was the fix.
I just caught up on the thread. It looks like the core issue was never actually resolved: "getent hosts localhost" still doesn't return the expected result, right?
$ getent hosts localhost ::1 localhost localhost.localdomain localhost6localhost6.localdomain6
Its returning exactly as above
$ grep ^hosts /etc/nsswitch.conf hosts: files dns myhostname
Its returning: files dns
If you're not getting the expected result from "getent", and if your nsswitch.conf lists "files", then glibc is somehow broken. "rpm -V glibc" might tell you how, or it might not. Could be that glibc can't load /lib64/libnss_files.so.2.
rpm -V returns nothing.
In any case, DNS is now providing you with a result for "localhost", and that'll work around most of the problems, but you really should take steps to fix glibc. With something that low-level broken, I'd urge you to build a new system from scratch, and automate the build with some configuration management tool this time, so that the next time you need to rebuild, you can do it quickly. _______________________________________________
Thanks for the follow up!!