VPS经常性502错误,重启立马解决（附：VPS详细信息）
uname -aLinux rockscrusher.com 2.6.18-028stab089.1 #1 SMP Thu Apr 14 13:46:04 MSD 2011 x86_64 GNU/Linux
以下是重启时的状态rockscrusher:~# /root/lnmpa restart
=========================================================================
Manager for LNMPA V0.7,Written by Licess
=========================================================================
LNMPA is a tool to auto-compile & install Nginx+MySQL+PHP+Apache on Linux
This script is a tool to Manage status of LNMPA
For more information please visit http://www.lnmp.org
Usage: /root/lnmpa {start|stop|reload|restart|kill|status}
=========================================================================
Stoping LNMP...
Nginx program is stop
httpd (pid 30483?) not running
Shutting down MySQL..
MySQL program is stop
Starting LNMPA...
Nginx start successfully!
Starting MySQL..
MySQL start successfully!我网站流量不高，为什么老是502，只要重启就行，是不是哪儿有问题。
VPS在这儿买的，http://cn.ixwebhosting.com/vps-hosting.php 买的X2系列。 debian系统。
我看了502的几种原因，我的是前段时间正常，这两天出现了问题。
free -m 查看的结果rockscrusher:~# free -m
total used free shared buffers cached
Mem: 1024 314 709 0 0 0
-/+ buffers/cache: 314 709
Swap: 0 0 0/usr/local/php/etc/php.ini查看结果 max_execution_time = 300， 这儿没有问题。
/usr/local/php/etc/php-fpm.conf查看结果：
pid = /usr/local/php/var/run/php-fpm.pid
error_log = /usr/local/php/var/log/php-fpm.log
log_level = notice
listen = /tmp/php-cgi.sock
user = www
group = www
pm = dynamic
pm.max_children = 20
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3eaccelerator 我没有安装
补充下，lnmp重启状态Restarting LNMP...
Starting Nginx...
Test Nginx configure...
Nginx program is reloding!
the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
configuration file /usr/local/nginx/conf/nginx.conf test is successful
: bind() to 0.0.0.0:80 failed (98: Address already in use)
Shutting down MySQL..
Starting MySQL..
Gracefully shutting down php-fpmdone
Starting php-fpmdone说下，我这个站怎么设置的： http://www.rockscrusher.comrockscrusher:~# cat /usr/local/nginx/conf/vhost/www.rockscrusher.com.conf
server
{
listen 76.163.25.40:80;
server_name www.rockscrusher.com rockscrusher.com;
index index.html index.htm index.php default.html default.htm default.php;
root/home/wwwroot/www.rockscrusher.com;
location / {
try_files $uri @apache;
}
location @apache {
internal;
proxy_pass http://127.0.0.1:88;
include proxy.conf;
}
location ~ .*\.(php|php5)?$
{
proxy_pass http://127.0.0.1:88;
include proxy.conf;
}
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
{
expires 30d;
}
location ~ .*\.(js|css)?$
{
expires 12h;
}
log_formatwww.rockscrusher.com'$remote_addr - $remote_user [$time_local] $request '
'$status $body_bytes_sent $http_referer '
'$http_user_agent $http_x_forwarded_for';
access_log/home/wwwlogs/www.rockscrusher.com.logwww.rockscrusher.com;
}rockscrusher:~# cat /usr/local/apache/conf/vhost/www.rockscrusher.com.conf
<VirtualHost *:88>
ServerAdmin webmaster@example.com
php_admin_value open_basedir "/home/wwwroot/www.rockscrusher.com:/tmp/:/var/tmp/:/proc/"
DocumentRoot "/home/wwwroot/www.rockscrusher.com"
ServerName www.rockscrusher.com
ServerAliasrockscrusher.com
ErrorLog "logs/www.rockscrusher.com-error_log"
CustomLog "logs/www.rockscrusher.com-access_log" common
</VirtualHost>
我的VPS有两个IP，不知道是不是我这设置的原因。
[ 本帖最后由 sbmzhcn 于 2011-5-26 19:20 编辑 ] 这个的502没见过，发日志看看 哪儿有日志。
到哪儿去找 你到底是lnmp还是lnmpa
lnmp升级到lnmpa后就不会有php-fpm
/home/wwwlogs/nginx_error.log
/usr/local/apache/logs/www.rockscrusher.com-error_log
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