On 2025-04-05 19:00, Sam Varshavchik wrote:
ToddAndMargo via users writes:
I have a customer I set up a Fedora 41 server.
Problem: about once a week, its networking dies. All
network services are dead, xrdp, ssh, samba, etc..
All of them. Console logins work fine.
The solution is to call the customer and have him
log in at the console and issue a shutdown. On
power up, all work again.
What I would like to do, is to set up a cron
job to test the networking (ping firewall)
and restart/correct the network if I find
it down.
Now I do know about
# systemctl restart systemd-networkd.service
But is that enough?
Well? You tell us. Does doing this regain network connectivity, for the
problem child in question?
What do I need to do to
put the network into the same state as after
a fresh reboot?
Well, that really depends on why it's not in a fresh state, to start
with. All you know is "it doesn't work". Without knowing the root cause
of a busted network connection any advice is just a random, worthless
guess.
It could be anything from a broken DHCP server, on the network, refusing
to renew the client lease, to a dodgy network card that randomly takes a
power, and requires a reboot cycle and a kick in the ass from the
kernel, to wake up. It goes without saying that the solution to one
would be vastly different than the solution to the other, if a solution
is even possible.
Exactly this. Have you looked at the logs to see what's happening? Why
isn't that the first you do instead of trying to setup hacky workarounds?
--
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