On Sat, Feb 26, 2022 at 05:24:04PM +0100, Zana János wrote:
> > root@zana-debian:~# /etc/init.d/networking status
> > ● networking.service - Raise network interfaces
> >      Loaded: loaded (/lib/systemd/system/networking.service; enabled;
> > vendor preset: enabled)
> >      Active: failed (Result: exit-code) since Sat 2022-02-26 17:35:23
> > CET; 36min left
> >        Docs: man:interfaces(5)
> >     Process: 958 ExecStart=/sbin/ifup -a --read-environment
> > (code=exited, status=1/FAILURE)
> >    Main PID: 958 (code=exited, status=1/FAILURE)
> >         CPU: 43ms
> >
> > febr 26 17:35:23 zana-debian dhclient[1015]: than a configuration
> > issue please read the section on submitting
> > febr 26 17:35:23 zana-debian dhclient[1015]: bugs on either our web
> > page at www.isc.org or in the README file
> > febr 26 17:35:23 zana-debian dhclient[1015]: before submitting a bug. 
> > These pages explain the proper
> > febr 26 17:35:23 zana-debian dhclient[1015]: process and the
> > information we find helpful for debugging.
> > febr 26 17:35:23 zana-debian dhclient[1015]:
> > febr 26 17:35:23 zana-debian dhclient[1015]: exiting.
> > febr 26 17:35:23 zana-debian ifup[958]: ifup: failed to bring up eth0
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > febr 26 17:35:23 zana-debian systemd[1]: networking.service: Main
> > process exited, code=exited, status=1/FAILURE
> > febr 26 17:35:23 zana-debian systemd[1]: networking.service: Failed
> > with result 'exit-code'.
> > febr 26 17:35:23 zana-debian systemd[1]: Failed to start Raise network
> > interfaces.
> > root@zana-debian:~#
> a kimenetben ott van egy "bad" megjegyzés:
> 
> root@zana-debian:~# ifconfig
> enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.0.185  netmask 255.255.255.0  broadcast 192.168.0.255
>         inet6 fe80::428d:5cff:fe78:bad  prefixlen 64  scopeid 0x20<link>
> 
> Ez egy alaplapi rtl8169, amely azóta üzemképtelen, mióta apt-get
> dist-upgrade frissítettem a bullseye kiadásra. Mit javasoltok?  Üdv, János

Nem latszik mukodeskeptelennek, hiszen kapott IP cimet. Szerintem
a problemat az okozza, hogy valami konfigfajlodban eth0 szerepel,
es kozben "atneveztek" a halozati kartyadat enp2s0-ra...
A /etc/network/interfaces fajlban neznek korul eloszor.

Alahuztam neked a fenti kimenetben az eth0 reszt.

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