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
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?
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.
--
Eyal Lebedinsky (fedora@xxxxxxxxxxxxxx)
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