Nginx server restart closes the reload command

nginx-s reload: reload after configuration changes take effect

nginx-s reopen: reopen the log file

nginx-t tests the nginx configuration file for correctness

When checking for correctness, it appears:

nginx: the configuration file /home/kratos/local/nginx/conf/nginx.conf syntax is ok
nginx: [emerg] bind() to 0.0.0.0:80 failed (13: Permission denied)
nginx: configuration file /home/kratos/local/nginx/conf/nginx.conf test failed

You need to add the sudo command

Close the nginx:

nginx-s stop: quick stop nginx

quit: stop nginx completely and orderly

Other ways to stop nginx:

ps -ef | grep nginx

kill-QUIT main process no. : calmly stop Nginx

kill-TERM main process no. : quick stop Nginx

pkill-9 nginx: force Nginx to stop

Start the nginx:

nginx -c /path/to/nginx.conf

Smooth restart nginx:

kill -HUP main process number