On Mon, Aug 26, 2019 at 4:18 PM Herbert via clamav-users <clamav-users@lists.clamav.net> wrote:

Hi all,

System Fedora 5.2.9-200.fc30.x86_64
ClamAv 0.101.4


I wonder why a DNF update changes my customized
/usr/lib/systemd/clam@,service file.

... because you shouldn't have modified that file?

https://docs.fedoraproject.org/en-US/quick-docs/understanding-and-administering-systemd/#modifying-existing-systemd-services

 

Background:
I had to add/change the following configurations in above mentioned file
to overcome
a timeout issue.

TimeOutSec = 600
#Restart = on-failure        # to avoid restarting on timeout failure

If it's an addition, you could probably use systemd drop-in configuration file instead, e.g. 

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-Managing_Services_with_systemd-Unit_Files#brid-Managing_Services_with_systemd-Extending_Unit_Config

 

IMHO an update should not change the service files, but  instead install
a new version of this file(s)
with an appropriate extension. In addition DNF update should inform
about this with a warning.

Are you sure you're not confusing /usr/lib/systemd with files under /etc ? AFAIK what you wrote is correct for files in /etc.

-- 

Fajar

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