By suggesting I'm hoping for a click-to-fix ?
Maybe let i go, you didn't read that the configuration was generated by certbot.
I try to understand why the nginx module fails, and you suggest to use the rootpath module,
" Dave, this conversation can serve no purpose anymore."
Iām glad to stop trying to helpā¦
Have a nice day.
Same to you, have a nice day
Ok I think I get it, but it still fails
On the systemd nginx configuration, the signals sent were not the good one SIGQUIT instead of SIGTERM, that rely in nginx still up while reloading,
There is also caveat with /run/nginx.pid
Anyway there is still problems,
I think the way certbot-nginx is modifying the conf and reloading, isnāt proper with my nginx version : it takes to long or to quick, so the configuration isnāt ready when LE is making his request, hence the renew fails.
I donāt know why is it working so long and now failing almost everytime
Ok I get it ! 
It was the limit of opened files ! nginx reload canāt reload because of this limit
By following this howto I get it work !!!
https://ospi.fi/blog/centos-7-raise-nofile-limit-for-nginx.html
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