linux下出现nginx Failed to read PID from file /run/nginx.pid: Invalid argument
解决方法：
mkdir -p /etc/systemd/system/nginx.service.d
printf “[Service]nExecStartPost=/bin/sleep 0.1n” > /etc/systemd/system/nginx.service.d/override.conf
然后
systemctl daemon-reload
systemctl restart nginx.service
