Looks like your tun kernel module is not loaded.
Check with:
$ lsmod | grep tun
If it's not loaded, try to load it:
$ modprobe tun
Normally the kernel module should be loaded automatically, so I suspect
that the module is not present.
Is it possible you have upgraded your kernel recently and not rebooted
afterwards?
You may want to reboot your pi ...
Cheers,
Mathias
Am 12.03.21 um 12:34 schrieb Bo Berglund:
...
Fri Mar 12 12:08:18 2021 ERROR: Cannot open TUN/TAP dev /dev/net/tun: No such
device (errno=19)
Fri Mar 12 12:08:18 2021 Exiting due to fatal error
If I look for /dev/net/tun I get this:
$ ls -la /dev/net/tun
crw-rw-rw- 1 root root 10, 200 Jan 19 11:38 /dev/net/tun
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