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[EN] Need help to debug VPN connected server

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michaaa62:
Please help me to debug my server setup
It is connected via ethernet to the router, connects to an VPN service for a fixed IP and some privacy/anonymity.
After a couple of hours it looses internet connectivity (neither outbound nor inbound traffic possible), but it is accessible from the local net just fine.
Looks to me like a problem with my VPN connection... How do i proceed to debug?

unklarer:
Keine Ahnung...
Wäre nicht
--- Code: ---journalctl -af
--- End code ---
nebenher ein Anfang?

michaaa62:
Danke für die Anregung! Leider war im Journal keine Meldung zum Fehler, auch wenn ich den Zeitpunkt erkennen konnte.
Ich behelfe mir vorerst mit einem Reboot als cron Job. Wäre für weitere Suchansätze dankbar.

paxmark2:
I am not an expert here   I connect as root and tmux in a tty at start up . "cd /etc/openvpn"  "openvpn myBlahudp.ovpn". That way I can occasionally check the hourly resign ins via "tmux attach" in a terminal in the gui. 

Looking at "journalctl -b -0" - after my root log in the tty I get one instance of tun.   journalctl -b -0 | grep tun has just the 2 lines from the initial startup.

Looking at | grep open -  did not work, however | grep Open was dull as well. 

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