解决PHP无法监听9000端口问题/502错误解决办法

问题背景

配置nginx+php服务的时候,发现网站能打开html,打开php文件就显示502,一般这个是php没启动啊啥的导致不能正常解析php文件。

原因分析

因为nginx解析php文件是交给fastcgi_pass 来处理的,默认一般fastcgi_pass 有两种方式来解析php,一种是常见的tcp也就是监听9000端口,这边只做tcp的解析。

netstat -ntlp 查看9000端口是没有监听的,默认不再监听9000端口了,监听的是/tmp/php-cgi-56.sock

[root@localhost pazzn]# netstat -ntlp   ###没有9000端口监听
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      13031/nginx: master 
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1425/sshd           
tcp        0      0 0.0.0.0:888             0.0.0.0:*               LISTEN      13031/nginx: master 
tcp        0      0 0.0.0.0:8888            0.0.0.0:*               LISTEN      3818/python         
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      3467/master         
tcp6       0      0 :::22                   :::*                    LISTEN      1425/sshd           
tcp6       0      0 ::1:25                  :::*                    LISTEN      3467/master         
tcp6       0      0 :::3306                 :::*                    LISTEN      3401/mysqld 

解决方案

1.找到/php.conf

[root@localhost ~]# find / -name php-fpm.conf
/www/server/php/56/etc/php-fpm.conf
[root@localhost ~]#vi /www/server/php/56/etc/php-fpm.conf

2.用;注释掉sock监听的方式,增加9000端口监听

[global]
pid = /www/server/php/56/var/run/php-fpm.pid
error_log = /www/server/php/56/var/log/php-fpm.log
log_level = notice

[www]
#listen = /tmp/php-cgi-56.sock
listen = 9000
listen.backlog = -1
listen.allowed_clients = 127.0.0.1
listen.owner = www
listen.group = www
listen.mode = 0666
user = www
group = www
pm = dynamic
pm.status_path = /phpfpm_56_status
pm.max_children = 80
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 20
request_terminate_timeout = 100
request_slowlog_timeout = 30
slowlog = var/log/slow.log

3.重启php,完美打开解析php文件

[root@localhost ]# systemctl restart php-fpm-56.service

注意:一定要先保证nginx.conf的配置文件是正确的哦。

参考链接:https://blog.csdn.net/moshowgame/article/details/84135977

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转载自www.cnblogs.com/Crazy-Liu/p/11227409.html