This is the error:
Performing the following challenges:
http-01 challenge for nonstopgreen.com
nginx: [warn] conflicting server name "nonstopgreen.com" on 0.0.0.0:80, ignored
nginx: [warn] conflicting server name "www.nonstopgreen.com" on 0.0.0.0:80, ignored
nginx: [error] invalid PID number "" in "/run/nginx.pid"
Cleaning up challenges
nginx: [warn] conflicting server name "nonstopgreen.com" on 0.0.0.0:80, ignored
nginx: [warn] conflicting server name "www.nonstopgreen.com" on 0.0.0.0:80, ignored
nginx: [error] invalid PID number "" in "/run/nginx.pid"
Encountered exception during recovery:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 75, in handle_authorizations
resp = self._solve_challenges(aauthzrs)
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 139, in _solve_challenges
resp = self.auth.perform(all_achalls)
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 1071, in perform
self.restart()
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 881, in restart
nginx_restart(self.conf('ctl'), self.nginx_conf)
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 1141, in nginx_restart
"nginx restart failed:\n%s\n%s" % (out.read(), err.read()))
certbot.errors.MisconfigurationError: nginx restart failed:
b''
b''
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/certbot/error_handler.py", line 108, in _call_registered
self.funcs[-1]()
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 323, in _cleanup_challenges
self.auth.cleanup(achalls)
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 1090, in cleanup
self.restart()
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 881, in restart
nginx_restart(self.conf('ctl'), self.nginx_conf)
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 1141, in nginx_restart
"nginx restart failed:\n%s\n%s" % (out.read(), err.read()))
certbot.errors.MisconfigurationError: nginx restart failed:
b''
b''
nginx restart failed:
b''
b''
I suspect the error is about Nginx configuration, but I don’t know where exactly.
Those are my domain records:
A: www.nonstopgreen.com directs to 178.62.200.182 A: nonstopgreen.com directs to 178.62.200.182
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Accepted Answer
I solved it, I needed to add the nginx pid number:
ps -ef | grep nginx and then write the pid to the file located in /run/nginx.pid
Then I run the command again and it worked
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