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wireguard: added troubleshooting

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tiyn 2023-07-16 01:39:24 +02:00
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@ -80,3 +80,18 @@ When starting and stopping wireguard with `wg-quick` the corresponding number
should be used.
Alternatively also other names not including `wg` can be used.
The term `wg0` the incremented version of it has to be changed accordingly then.
### Troubleshooting (WG)
This section addresses various errors and ways how to troubleshoot them.
#### Unknown Device Type / Protocol Not Supported
Especially when running `wg-quick up wg0` this error can appear.
The most probable source of this error is that the version of the package
`linux` doesn't match with the version of the [wireguard package](#client-wg) or
the system has been updated and the system wasn't restarted causing the same
problem.
To fix this `linux` can be reinstalled but a full update of the system is
recommended.
Because it changes the kernel the system needs to be restarted afterwards.