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1 vote
0 answers
65 views

Cause a script to execute when the default route is changed

I have 2 interfaces: the Ethernet (metrics 1) and 4G (metrics 2). When the first disappears the second is used, when the Ethernet comes back, the first one is used again. I would like to send a ...
Oleksa's user avatar
  • 151
0 votes
3 answers
2k views

Both systemd-networkd and NetworkManager starts by itself

This is ubuntu 20.04. I stopped and disabled systemd-networkd. Then enabled NetworkManager. But after reboot both services come up. Keeps happening like that. I want to manage my server using nmcli, ...
rajeev's user avatar
  • 245
1 vote
0 answers
323 views

CAN bus interface does not come up after CAN bus restart

I am fighting with an industrial PC running Ubuntu 18.04.1 This PC is equipped with Apacer CAN module APEHC-D40 to receive data from external sensors. 95% of the time the module is running fine and ...
Dmitry's user avatar
  • 23
0 votes
1 answer
293 views

Find if "consistent network device naming" is available

I have a piece of custom software that needs to know the name of a certain network interface on multiple systems (two of them to be more exactly) on which I cannot change anything like disabling the "...
Pinte Laurentiu's user avatar
1 vote
1 answer
4k views

DNS is not applied with systemd-resolved [closed]

I'm using Kubuntu 18.04. When I'm in the office network, everything works fine, but when I connect to any other network (wired of wifi) I don't get proper DNS names - the old ones are still in systemd-...
Mirek's user avatar
  • 153