On 18/07/2021 15:56, Eyal Lebedinsky wrote:
On 18/07/2021 17.03, Ed Greshko wrote:
On 18/07/2021 12:31, Eyal Lebedinsky wrote:
On 18/07/2021 11.18, Eyal Lebedinsky wrote:
This was brought up before, but today again it bit me. There was a glibc update (fc34)
which provides a new nsswitch.conf with this line
hosts: files myhostname resolve [!UNAVAIL=return] dns
which caused all the aliases I had for my server to fail because my local dns was not looked up.
Had to again remove the '[!UNAVAIL=return]' stanza.
Is this issue being fixed? I found this
https://bugzilla.redhat.com/show_bug.cgi?id=1717384
which suggests nsswitch.conf will become a fedora file (not glibc) and hopefully better, but this log
has now been open for a long time.
Regards
Thanks for the workarounds proposed, and ATM some such are needed, but what I am after is
finding out what permanent solution is planned for fedora.
Sadly, I already use a number of scripts to deal with personal preferences and alike,
and I understand that not all of my needs will ever be provided by the distributed
packages (and their configurations).
My second question to you is how did you modify nsswitch.conf?
vi
Well, that's the problem
I asked this, since I'm sure I was doing some testing in this area sometime back. Maybe it relation to your
issues.
Anyway, thaf file contains
#hosts: files myhostname mdns4_minimal [NOTFOUND=return] dns
hosts: files myhostname mdns4_minimal [NOTFOUND=return] resolve dns
#hosts: files myhostname mdns4_minimal [NOTFOUND=return] resolve [!UNAVAI=ret
urn] dns
I modified that file based on the instructions contained in the file.
# If you want to make changes to nsswitch.conf please modify
# /etc/authselect/user-nsswitch.conf and run 'authselect apply-changes'.
I do not see these instructions anywhere. Where are you seeing them?
In /etc/nsswitch.conf which is a symlink.
[egreshko@meimei etc]$ ll nsswitch.conf
lrwxrwxrwx. 1 root root 29 Jul 14 16:01 nsswitch.conf -> /etc/authselect/nsswitch.conf
The owner of that file is glibc.
glibc was recently updated.
Yes
[root@f34k2 etc]# dnf history glibc
ID | Command line | Date and time | Action(s) | Altered
----------------------------------------------------------------------------------
40 | -y --refresh update | 2021-07-15 03:23 | Upgrade | 84 <
19 | -y --refresh update | 2021-06-21 12:18 | ?, E, I, O, U | 172 ><
And the file remained unchanged.
So, I am wondering if you're doing something a bit differently?
Original nsswitch.conf had
hosts: files myhostname resolve [!UNAVAIL=return] dns
now that I modified it, it has
hosts: files myhostname resolve dns
/etc/authselect/user-nsswitch.conf has
hosts: files myhostname mdns4_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] dns
$ sudo authselect apply-changes
No existing configuration detected.
I never used authselect and do not know what it does or how to manage it.
I think all the issues you're having is that glibc expects nsswitch.conf to be managed by authselect. And, apparently, in your case it isn't.
So, you should check to what is contained in
[egreshko@meimei authselect]$ pwd
/etc/authselect
[egreshko@meimei authselect]$ ls
authselect.conf nsswitch.conf user-nsswitch.conf
custom password-auth user-nsswitch.conf.bak
dconf-db postlogin user-nsswitch.conf-orig
dconf-locks smartcard-auth
fingerprint-auth system-auth
Then move your old /etc/nsswitch.conf file aside. Create the needed symling and then make the adjustments you want
as described in the new nsswitch.conf.
man authselect
may be helpful.
--
Remind me to ignore comments which aren't germane to the thread.
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