Nginx 502gateway错误故障解决

server {
listen       80;
server_name admin.yeshuai.com;
root /www/web/admin_yeshuai_com/public_html;
index  index.html index.php index.htm;
error_page  400 /errpage/400.html;
error_page  403 /errpage/403.html;
error_page  404 /errpage/404.html;
error_page  405 /errpage/405.html;
location ~ \.php$ {
#                fastcgi_pass   127.0.0.1:9000;
fastcgi_pass   unix:/dev/shm/php-fpm.sock;
fastcgi_index  index.php;
include fcgi.conf;
}
error_log  /www/web_logs/admin.yeshuai.com_error.log;
}