Nothing on /var/log/nginx/error.log ...
Here is some information that may be of help :
# nginx -v
nginx version: nginx/1.16.1
# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
This is a dedicated server from SoYouStart.
when i start the services, i got these messages on /var/log/messages
Nov 22 20:16:22 ns395376 kernel: sw-cp-serverd[7088]: segfault at 6dc408 ip 00007fb88ebbec6f sp 00007fff8e448a60 error 4 in libnginx.so[7fb88ebb9000+6000]
Thank's for your interest,
Since I restarted my server, I can no longer access plesk administration (ERR_CONNECTION_REFUSED). All my websites are still working.
I tried to restart all services
# /etc/init.d/psa start
Starting sw_engine service... already started
Starting...