check_mk 页面错误处理方法

前文已经太长，当时出现了两个错误，经过搜索，发现是apache2的问题，内部默认使用了apaceh2-mpm-worker，check_mk的网站应该在多线程处理上有些问题，因此老出错。

在Ubuntu下解决这个问题很简单，就是安装apache2-mpm-prefork，这是每个请求独立用一个进程的方式。

root@icinga:/etc/check_mk# apt-get install apache2-mpm-prefork 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  apache2-mpm-worker
The following NEW packages will be installed:
  apache2-mpm-prefork
0 upgraded, 1 newly installed, 1 to remove and 2 not upgraded.
Need to get 2,352 B of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://us.archive.ubuntu.com/ubuntu/ quantal-updates/main apache2-mpm-prefork amd64 2.2.22-6ubuntu2.2 [2,352 B]
Fetched 2,352 B in 2s (1,071 B/s)              
dpkg: apache2-mpm-worker: dependency problems, but removing anyway as you requested:
 apache2 depends on apache2-mpm-worker (= 2.2.22-6ubuntu2.2) | apache2-mpm-prefork (= 2.2.22-6ubuntu2.2) | apache2-mpm-event (= 2.2.22-6ubuntu2.2) | apache2-mpm-itk (= 2.2.22-6ubuntu2.2); however:
  Package apache2-mpm-worker is to be removed.
  Package apache2-mpm-prefork is not installed.
  Package apache2-mpm-event is not installed.
  Package apache2-mpm-itk is not installed.

(Reading database ... 65483 files and directories currently installed.)
Removing apache2-mpm-worker ...
 * Stopping web server apache2                                                                                                                                                    ... waiting .                                                                                                                                                            [ OK ]
Selecting previously unselected package apache2-mpm-prefork.
(Reading database ... 65478 files and directories currently installed.)
Unpacking apache2-mpm-prefork (from .../apache2-mpm-prefork_2.2.22-6ubuntu2.2_amd64.deb) ...
Setting up apache2-mpm-prefork (2.2.22-6ubuntu2.2) ...
 * Starting web server apache2   

现在打开网页，问题解决。