Hi, I have openvpn installed on my Debian 10 VPS. I have also nextcloud on that system and yesterday I solve problem with php 7 and curl on it and then restart server. After that nexcloud start working and openvpn stop workin
sudo openvpn --config /etc/openvpn/server.conf
Fri Jan 3 09:23:33 2020 OpenVPN 2.4.7 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Feb 20 2019
Fri Jan 3 09:23:33 2020 library versions: OpenSSL 1.1.1d 10 Sep 2019, LZO 2.10
Fri Jan 3 09:23:33 2020 Diffie-Hellman initialized with 2048 bit key
Fri Jan 3 09:23:33 2020 Outgoing Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Fri Jan 3 09:23:33 2020 Incoming Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Fri Jan 3 09:23:33 2020 TUN/TAP device tun1 opened
Fri Jan 3 09:23:33 2020 TUN/TAP TX queue length set to 100
Fri Jan 3 09:23:33 2020 /sbin/ip link set dev tun1 up mtu 1500
Fri Jan 3 09:23:33 2020 /sbin/ip addr add dev tun1 10.8.0.1/24 broadcast 10.8.0.255
Fri Jan 3 09:23:33 2020 Could not determine IPv4/IPv6 protocol. Using AF_INET
Fri Jan 3 09:23:33 2020 Socket Buffers: R=[212992->212992] S=[212992->212992]
Fri Jan 3 09:23:33 2020 TCP/UDP: Socket bind failed on local address [AF_INET][undef]:1194: Address already in use (errno=98)
Fri Jan 3 09:23:33 2020 Exiting due to fatal error
Fri Jan 3 09:23:33 2020 Closing TUN/TAP interface
Fri Jan 3 09:23:33 2020 /sbin/ip addr del dev tun1 10.8.0.1/24
sudo systemctl status openvpn@server.service
● openvpn@server.service - OpenVPN connection to server
Loaded: loaded (/lib/systemd/system/openvpn@.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Fri 2020-01-03 09:35:30 CET; 812ms ago
Docs: man:openvpn(8)
https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
https://community.openvpn.net/openvpn/wiki/HOWTO
Process: 8146 ExecStart=/usr/sbin/openvpn --daemon ovpn-server --status /run/openvpn/server.status 10 --cd /etc/openvpn --config /etc/openvpn/server.conf --writepid /run/openvpn/server.pid (code=exited, status=1/FAILURE)
Main PID: 8146 (code=exited, status=1/FAILURE)
Status: "Pre-connection initialization successful"
Jan 03 09:35:30 ArubaVPN systemd[1]: openvpn@server.service: Main process exited, code=exited, status=1/FAILURE
Jan 03 09:35:30 ArubaVPN systemd[1]: openvpn@server.service: Failed with result 'exit-code'.
sudo netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 682/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1896/exim4
tcp 0 0 127.0.0.1:8125 0.0.0.0:* LISTEN 885/netdata
tcp 0 0 0.0.0.0:19999 0.0.0.0:* LISTEN 885/netdata
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 752/mysqld
tcp6 0 0 :::22 :::* LISTEN 682/sshd
tcp6 0 0 ::1:25 :::* LISTEN 1896/exim4
tcp6 0 0 ::1:8125 :::* LISTEN 885/netdata
tcp6 0 0 :::19999 :::* LISTEN 885/netdata
tcp6 0 0 :::9090 :::* LISTEN 1/init
tcp6 0 0 :::80 :::* LISTEN 765/apache2
udp 0 0 127.0.0.1:8125 0.0.0.0:* 885/netdata
udp 0 0 10.8.0.1:123 0.0.0.0:* 678/ntpd
udp 0 0 94.177.230.94:123 0.0.0.0:* 678/ntpd
udp 0 0 127.0.0.1:123 0.0.0.0:* 678/ntpd
udp 0 0 0.0.0.0:123 0.0.0.0:* 678/ntpd
udp 0 0 0.0.0.0:1194 0.0.0.0:* 1542/openvpn
udp6 0 0 ::1:8125 :::* 885/netdata
udp6 0 0 fe80::cc14:f5ec:5d6:123 :::* 678/ntpd
udp6 0 0 fe80::250:56ff:fe9f:123 :::* 678/ntpd
udp6 0 0 ::1:123 :::* 678/ntpd
udp6 0 0 :::123 :::* 678/ntpd
sudo lsof -i
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemd 1 root 60u IPv6 15296 0t0 TCP *:9090 (LISTEN)
ntpd 678 ntp 16u IPv6 19635 0t0 UDP *:ntp
ntpd 678 ntp 17u IPv4 19638 0t0 UDP *:ntp
ntpd 678 ntp 18u IPv4 19642 0t0 UDP localhost:ntp
ntpd 678 ntp 19u IPv4 19644 0t0 UDP ArubaVPN:ntp
ntpd 678 ntp 20u IPv6 19646 0t0 UDP localhost:ntp
ntpd 678 ntp 24u IPv6 24059 0t0 UDP [fe80::250:56ff:fe9f:fc83]:ntp
ntpd 678 ntp 25u IPv4 29404 0t0 UDP 10.8.0.1:ntp
ntpd 678 ntp 26u IPv6 29408 0t0 UDP [fe80::cc14:f5ec:5d6e:af2c]:ntp
sshd 682 root 3u IPv4 19682 0t0 TCP *:ssh (LISTEN)
sshd 682 root 4u IPv6 19693 0t0 TCP *:ssh (LISTEN)
mysqld 752 mysql 24u IPv4 20217 0t0 TCP localhost:mysql (LISTEN)
apache2 765 root 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 787 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 789 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 790 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 791 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 792 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
netdata 885 netdata 3u IPv4 21221 0t0 TCP *:19999 (LISTEN)
netdata 885 netdata 4u IPv6 21222 0t0 TCP *:19999 (LISTEN)
netdata 885 netdata 7u IPv6 21633 0t0 UDP localhost:8125
netdata 885 netdata 10u IPv4 21634 0t0 UDP localhost:8125
netdata 885 netdata 15u IPv6 21638 0t0 TCP localhost:8125 (LISTEN)
netdata 885 netdata 16u IPv4 21639 0t0 TCP localhost:8125 (LISTEN)
python 964 netdata 3u IPv6 141681 0t0 TCP localhost:41350->localhost:http (ESTABLISHED)
openvpn 1542 nobody 6u IPv4 27858 0t0 UDP *:openvpn
exim4 1896 Debian-exim 3u IPv4 28307 0t0 TCP localhost:smtp (LISTEN)
exim4 1896 Debian-exim 4u IPv6 28309 0t0 TCP localhost:smtp (LISTEN)
apache2 2019 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 2034 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 2360 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 2360 www-data 13u IPv6 112481 0t0 TCP localhost:http->localhost:41350 (ESTABLISHED)
apache2 2367 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 2367 www-data 13u IPv6 106776 0t0 TCP ArubaVPN:http->122-29.komputersat.pl:30380 (ESTABLISHED)
apache2 2368 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
apache2 2369 www-data 4u IPv6 19899 0t0 TCP *:http (LISTEN)
sshd 5722 root 3u IPv4 92430 0t0 TCP ArubaVPN:ssh->122-29.komputersat.pl:30533 (ESTABLISHED)
sshd 5740 przemko 3u IPv4 92430 0t0 TCP ArubaVPN:ssh->122-29.komputersat.pl:30533 (ESTABLISHED)
sshd 8258 root 3u IPv4 137640 0t0 TCP ArubaVPN:ssh->210.210.175.63.cbn.net.id:44268 (ESTABLISHED)
sshd 8259 sshd 3u IPv4 137640 0t0 TCP ArubaVPN:ssh->210.210.175.63.cbn.net.id:44268 (ESTABLISHED)
sshd 8360 root 3u IPv4 139495 0t0 TCP ArubaVPN:ssh->71.254.73.34.bc.googleusercontent.com:38044 (ESTABLISHED)
sshd 8361 sshd 3u IPv4 139495 0t0 TCP ArubaVPN:ssh->71.254.73.34.bc.googleusercontent.com:38044 (ESTABLISHED)
# This is a comment
port 1194
proto udp4
dev tun
sndbuf 0
rcvbuf 0
ca /etc/openvpn/ca.crt
cert /etc/openvpn/server.crt
key /etc/openvpn/server.key
dh /etc/openvpn/dh.pem
auth SHA512
tls-auth /etc/openvpn/ta.key 0
topology subnet
server 10.8.0.0 255.255.255.0
ifconfig-pool-persist ipp.txt
push "redirect-gateway def1 bypass-dhcp"
push "dhcp-option DNS 62.149.128.4"
push "dhcp-option DNS 62.149.132.4"
push "dhcp-option DNS 1.1.1.1"
keepalive 10 120
cipher AES-256-CBC
user nobody
group nogroup
persist-key
persist-tun
verb 3
crl-verify /etc/openvpn/crl.pem
status /var/log/openvpn-status.log
Please help.
