[root@vpn keys]# journalctl -xe
Aug 10 13:44:23 vpn sshd[18558]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"
Aug 10 13:44:25 vpn sshd[18558]: Failed password for root from 188.165.22.36 port 52034 ssh2
Aug 10 13:44:25 vpn sshd[18558]: Received disconnect from 188.165.22.36: 11: Normal Shutdown, Thank you for playing [preauth]
Aug 10 13:44:50 vpn sshd[18560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.22.36  user=r
Aug 10 13:44:50 vpn sshd[18560]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"
Aug 10 13:44:52 vpn sshd[18560]: Failed password for root from 188.165.22.36 port 41412 ssh2
Aug 10 13:44:52 vpn sshd[18560]: Received disconnect from 188.165.22.36: 11: Normal Shutdown, Thank you for playing [preauth]
Aug 10 13:45:18 vpn sshd[18562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.22.36  user=r
Aug 10 13:45:18 vpn sshd[18562]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"
Aug 10 13:45:20 vpn sshd[18562]: Failed password for root from 188.165.22.36 port 59694 ssh2
Aug 10 13:45:20 vpn sshd[18562]: Received disconnect from 188.165.22.36: 11: Normal Shutdown, Thank you for playing [preauth]
Aug 10 13:45:44 vpn sshd[18564]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.22.36  user=r
Aug 10 13:45:44 vpn sshd[18564]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"
Aug 10 13:45:46 vpn sshd[18564]: Failed password for root from 188.165.22.36 port 51004 ssh2
Aug 10 13:45:46 vpn sshd[18564]: Received disconnect from 188.165.22.36: 11: Normal Shutdown, Thank you for playing [preauth]
Aug 10 13:52:08 vpn polkitd[11876]: Registered Authentication Agent for unix-process:18580:363163 (system bus name :1.41 [/usr/bin/pkttyagent
Aug 10 13:52:08 vpn systemd[1]: Starting OpenVPN Robust And Highly Flexible Tunneling Application On 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.
Aug 10 13:52:08 vpn openvpn[18586]: Thu Aug 10 13:52:08 2017 WARNING: cannot stat file 'ta.key': No such file or directory (errno=2)
Aug 10 13:52:08 vpn openvpn[18586]: Options error: --tls-auth fails with 'ta.key': No such file or directory
Aug 10 13:52:08 vpn openvpn[18586]: Options error: Please correct these errors.
Aug 10 13:52:08 vpn openvpn[18586]: Use --help for more information.
Aug 10 13:52:08 vpn systemd[1]: openvpn@server.service: main process exited, code=exited, status=1/FAILURE
Aug 10 13:52:08 vpn systemd[1]: Failed to start OpenVPN Robust And Highly Flexible Tunneling Application On 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.
Aug 10 13:52:08 vpn systemd[1]: Unit openvpn@server.service entered failed state.
Aug 10 13:52:08 vpn systemd[1]: openvpn@server.service failed.
Aug 10 13:52:08 vpn polkitd[11876]: Unregistered Authentication Agent for unix-process:18580:363163 (system bus name :1.41, object path /org/f
lines 1053-1090/1090 (END)