Nginx随笔-nginx: [emerg] open() "/var/run/nginx/nginx.pid" failed (2: No such file or directory)

nginx: [emerg] open() “/var/run/nginx/nginx.pid” failed (2: No such file or directory)

开场白:
环境:CentOS Linux release 7.5.1804 (Core) ,在执行启动指令:/u01/app/nginx-fastdfs/sbin/nginx时最会报错:nginx: [emerg] open() “/var/run/nginx/nginx.pid” failed (2: No such file or directory) ,解决方法如下:

原因分析:
由于我在安装nginx的时候,指明了日志的输出路径:/var/run/nginx/nginx.pid,而/var/run的路径在操作系统每次重启时,会重新生成,故每次启动ng的时候,nignx.pid文件会不存在。
之前安装Ng的配置如下:

./configure \
--prefix=/u01/app/nginx-fastdfs/ \
--pid-path=/var/run/nginx/nginx.pid \
--lock-path=/var/lock/nginx.lock \
--error-log-path=/var/log/nginx/error.log \
--http-log-path=/var/log/nginx/access.log \
--with-http_gzip_static_module \
--http-client-body-temp-path=/u01/app/nginx-fastdfs/client \
--http-proxy-temp-path=/u01/app/nginx-fastdfs/proxy \
--http-fastcgi-temp-path=/u01/app/nginx-fastdfs/fastcgi \
--http-uwsgi-temp-path=/u01/app/nginx-fastdfs/uwsgi \
--http-scgi-temp-path=/u01/app/nginx-fastdfs/scgi \
--add-module=/usr/local/fastdfs-nginx-module/src

解决方法:
修改Ng的日志输出文件路径,之前安装Ng时,安装路径为:/u01/app/nginx-fastdfs ,
执行以下指令进行修改即可:

# cd /u01/app/nginx-fastdfs
# mkdir logs
# cd conf
# cp nginx.conf nginx.conf.bak20200308
# vi nginx.conf 
#  # 使用上面的vi命令打开文件后,找到:#pid        logs/nginx.pid; (默认是注释的)
#  # 在其下方添加:pid        /u01/app/nginx-fastdfs/logs/nginx.pid;
#  # 保存退出,即可
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转载自blog.csdn.net/CharlesYuangc/article/details/104732255