Open VPN. tun does not rise. Log file not being created?

Question

openvpn

In general, the situation is as follows. I set up OpenVPN on Ubuntu 16.04 according to the article .
Server configuration one to one with the article.
As a result of the launch:
There are no listening ports!!!
[email protected]:/etc/openvpn# netstat -atu
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 localhost:mysql *:* LISTEN
tcp 0 0 192.168.168.115:webmin *:* LISTEN
tcp 0 0 192.168.168.115:ssh *:* LISTEN
tcp 0 0 192.168.168.115:https *:* LISTEN
tcp 0 64 192.168.168.115:ssh 192.168.168.1:4738 ESTABLISHED
tcp6 0 0 [::]:ftp [::]:* LISTEN
udp 0 0 *:10000 *:*
udp 0 0 *:bootpc *:*
No interface !!!
[email protected]:/etc/openvpn# ifconfig
ens33 Link encap:Ethernet HWaddr 00:0c:29:f9:e3:02
inet addr:192.168.168.115 Bcast:192.168.168.255 Mask:255.255.255.0
inet6 addr: fe80::20c :29ff:fef9:e302/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:23592 errors:0 dropped:0 overruns:0 frame:0
TX packets:19162 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8798175 (8.7 MB) TX bytes:5677239 (5.6 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes: 14035 (14.0 KB) TX bytes:14035 (14.0 KB)

Answer 1

В первую очередь смотрите ошибки в логе OpenVPN (если ваш конфиг точно такой как в упомянутой статье - "log /var/log/openvpn.log") и м.б. в syslog. А затем устраняйте увиденные ошибки.