nginx: [error] invalid PID number ““ in “/usr/local/nginx/logs/nginx.pid“

1.场景 centos7x64 nginx-1.20.1.tar.gz 编译安装后 无法查询PID

nginx: [error] invalid PID number "" in "/usr/local/nginx/logs/nginx.pid"

2.解决一

2.1查询reload配置

nginx -c /usr/local/nginx/conf/nginx.conf

然后再重载

./nginx -s reload

[root@localhost sbin]# ./nginx -s reload
[root@localhost sbin]# ps -aux | grep "nginx: master process"
root      34609  0.0  0.0  28284  1424 ?        Ss   17:29   0:00 nginx: master process ./nginx -c /usr/local/nginx/conf/nginx.conf
root      34790  0.0  0.0 112812   984 pts/0    S+   17:30   0:00 grep --color=auto nginx: master process
[root@localhost sbin]#