Linux 101 : Troubleshooting : nmcli con up Error: unknown connection
When we deactivate a connection, for example using the below command:
Error: unknown connection 'eno1'.
The reason is that the connection of the interface (profile) was deleted.
We need to recreate the connection (profile), then reactivate the connection.
Re-creating the connection:
Then, we can reactivate the device "eno1" using:
We can check the status of our connection "eno1"using the below command: