I know that already exists a few questions about this error, but none of the fit very well with my problem.
when I start Debian (buster with gnome) I get an error message saying the following:
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[Failed] Failed to start Raise network interfaces.
See 'systemctl status networking.service' for details.
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systemctl cat networking.service
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# journalctl -u networking.service --no-pager
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[Unit]
Description=Raise network interfaces
Documentation=man:interfaces(5)
DefaultDependencies=no
Requires=ifupdown-pre.service
Wants=network.target
After=local-fs.target network-pre.target apparmor.service systemd-sysctl.service systemd-modules-load.service ifupdown-pre.service
Before=network.target shutdown.target network-online.target
Conflicts=shutdown.target
[Install]
WantedBy=multi-user.target
WantedBy=network-online.target
[Service]
Type=oneshot
EnvironmentFile=-/etc/default/networking
ExecStart=/sbin/ifup -a --read-environment
ExecStop=/sbin/ifdown -a --read-environment --exclude=lo
RemainAfterExit=true
TimeoutStartSec=5min
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-- Logs begin at Fri 2020-10-16 17:46:01 -03, end at Fri 2020-10-16 18:14:32 -03. --
out 16 17:46:12 debian systemd[1]: Starting Raise network interfaces...
out 16 17:46:14 debian dhclient[653]: Internet Systems Consortium DHCP Client 4.4.1
out 16 17:46:14 debian ifup[561]: Internet Systems Consortium DHCP Client 4.4.1
out 16 17:46:14 debian ifup[561]: Copyright 2004-2018 Internet Systems Consortium.
out 16 17:46:14 debian ifup[561]: All rights reserved.
out 16 17:46:14 debian ifup[561]: For info, please visit https://www.isc.org/software/dhcp/
out 16 17:46:14 debian dhclient[653]: Copyright 2004-2018 Internet Systems Consortium.
out 16 17:46:14 debian dhclient[653]: All rights reserved.
out 16 17:46:14 debian dhclient[653]: For info, please visit https://www.isc.org/software/dhcp/
out 16 17:46:14 debian dhclient[653]:
out 16 17:46:15 debian ifup[561]: Cannot find device "eth0"
out 16 17:46:15 debian dhclient[653]: Failed to get interface index: No such device
out 16 17:46:15 debian ifup[561]: Failed to get interface index: No such device
out 16 17:46:15 debian ifup[561]: If you think you have received this message due to a bug rather
out 16 17:46:15 debian ifup[561]: than a configuration issue please read the section on submitting
out 16 17:46:15 debian ifup[561]: bugs on either our web page at www.isc.org or in the README file
out 16 17:46:15 debian ifup[561]: before submitting a bug. These pages explain the proper
out 16 17:46:15 debian ifup[561]: process and the information we find helpful for debugging.
out 16 17:46:15 debian ifup[561]: exiting.
out 16 17:46:15 debian dhclient[653]:
out 16 17:46:15 debian dhclient[653]: If you think you have received this message due to a bug rather
out 16 17:46:15 debian dhclient[653]: than a configuration issue please read the section on submitting
out 16 17:46:15 debian dhclient[653]: bugs on either our web page at www.isc.org or in the README file
out 16 17:46:15 debian dhclient[653]: before submitting a bug. These pages explain the proper
out 16 17:46:15 debian dhclient[653]: process and the information we find helpful for debugging.
out 16 17:46:15 debian dhclient[653]:
out 16 17:46:15 debian dhclient[653]: exiting.
out 16 17:46:15 debian ifup[561]: ifup: failed to bring up eth0
out 16 17:46:15 debian systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
out 16 17:46:15 debian systemd[1]: networking.service: Failed with result 'exit-code'.
out 16 17:46:15 debian systemd[1]: Failed to start Raise network interfaces.
Thank you for your help!
Sartun25
PS: I just copy some parts from an older question because I don't know English very well