【1】nginx.pid相关

(1)可能出现两种场景:

1.1 nginx.pid文件不存在

发生现象:nginx: [error] open() "/usr/local/lib/ubcsrvd/bin/../logs/nginx.pid" failed (2: No such file or directory)

1.2 文件存在,但是 pid 值无效

发生现象:nginx: [error] invalid PID number "" in "/usr/local/lib/ubcsrvd/bin/../logs/nginx.pid"

(2)原因分析:

两种现象,本质都是因为nginx.pid文件“不健全”导致的问题。

(3)解决方案:

利用shell脚本直接生成即可。

3.1 新建文件createpid.sh,编辑如下内容,保存。

ps x | grep 'nginx' | grep -v grep | awk '{print $1}' > ../logs/nginx.pid

3.2 修改权限:chmod 777 createpid.sh

3.3 执行脚本:sh createpid.sh  生成nginx.pid文件

然后,再执行关闭命令即可。

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