orion@orion:/etc/openvpn$ sudo journalctl -xe
Mar 09 18:19:55 orion sshd[10918]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user=root
Mar 09 18:20:37 orion sshd[10920]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user
Mar 09 18:20:40 orion sshd[10920]: Failed password for root from 116.31.116.40 port 53182 ssh2
Mar 09 18:20:42 orion sshd[10920]: Failed password for root from 116.31.116.40 port 53182 ssh2
Mar 09 18:20:44 orion sshd[10920]: Failed password for root from 116.31.116.40 port 53182 ssh2
Mar 09 18:20:45 orion sshd[10920]: Received disconnect from 116.31.116.40 port 53182:11:  [preauth]
Mar 09 18:20:45 orion sshd[10920]: Disconnected from 116.31.116.40 port 53182 [preauth]
Mar 09 18:20:45 orion sshd[10920]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user=root
Mar 09 18:21:26 orion sshd[10922]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user
Mar 09 18:21:29 orion sshd[10922]: Failed password for root from 116.31.116.40 port 51032 ssh2
Mar 09 18:21:31 orion sshd[10922]: Failed password for root from 116.31.116.40 port 51032 ssh2
Mar 09 18:21:34 orion sshd[10922]: Failed password for root from 116.31.116.40 port 51032 ssh2
Mar 09 18:21:34 orion sshd[10922]: Received disconnect from 116.31.116.40 port 51032:11:  [preauth]
Mar 09 18:21:34 orion sshd[10922]: Disconnected from 116.31.116.40 port 51032 [preauth]
Mar 09 18:21:34 orion sshd[10922]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user=root
Mar 09 18:21:34 orion sudo[10896]: pam_unix(sudo:session): session closed for user root
Mar 09 18:22:02 orion sudo[10928]:    orion : TTY=pts/1 ; PWD=/etc/openvpn ; USER=root ; COMMAND=/bin/systemctl start openvpn@server
Mar 09 18:22:02 orion sudo[10928]: pam_unix(sudo:session): session opened for user root by orion(uid=0)
Mar 09 18:22:02 orion systemd[1]: Couldn't stat device /dev/net/tun
Mar 09 18:22:02 orion systemd[1]: Starting OpenVPN connection to server...
-- Subject: Unit openvpn@server.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit openvpn@server.service has begun starting up.
Mar 09 18:22:02 orion systemd[1]: openvpn@server.service: Control process exited, code=exited status=1
Mar 09 18:22:02 orion systemd[1]: Failed to start OpenVPN connection to server.
-- Subject: Unit openvpn@server.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit openvpn@server.service has failed.
--
-- The result is failed.
Mar 09 18:22:02 orion systemd[1]: openvpn@server.service: Unit entered failed state.
Mar 09 18:22:02 orion systemd[1]: openvpn@server.service: Failed with result 'exit-code'.
Mar 09 18:22:02 orion sudo[10928]: pam_unix(sudo:session): session closed for user root
Mar 09 18:22:17 orion sshd[10936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.40  user
Mar 09 18:22:19 orion sshd[10936]: Failed password for root from 116.31.116.40 port 60122 ssh2
Mar 09 18:22:21 orion sshd[10936]: Failed password for root from 116.31.116.40 port 60122 ssh2
Mar 09 18:22:22 orion sudo[10939]:    orion : TTY=pts/1 ; PWD=/etc/openvpn ; USER=root ; COMMAND=/bin/journalctl -xe
Mar 09 18:22:22 orion sudo[10939]: pam_unix(sudo:session): session opened for user root by orion(uid=0)