centos 5.0selinux 為開啟狀態apache 2.2.8php 5.0安裝完成之后，apache無法加載php模塊。錯誤如下：

httpd: Syntax error on line 232 of /usr/local/apache2/conf/httpd.conf: API module structure 'php5_module' in file /usr/local/apache2/modules/libphp5.so is garbled - expected signature 41503232 but saw 41503230 - perhaps this is not an Apache module DSO, or was compiled for a different Apache version?

相信提示大伙都能看懂。網上有解決辦法就是關閉selinux 下面講另二種方法一：按提示操作：(大體意思是將libphp5.so加入selinux系統內)

#tail /var/log/messages

May 23 10:08:15 nagios setroubleshoot:??????SELinux is preventing /usr/local/apache2/bin/httpd from loading /usr/local/apache2/modules/libphp5.so which requires text relocation.??????For complete SELinux messages. run sealert -l e693621e-145b-4431-bdcb-68b3883f1ac8

# sealert -l e693621e-145b-4431-bdcb-68b3883f1ac8

Summary

SELinux is preventing /usr/local/apache2/bin/httpd from loading

/usr/local/apache2/modules/libphp5.so which requires text relocation.

Detailed Description

The /usr/local/apache2/bin/httpd application attempted to load

/usr/local/apache2/modules/libphp5.so which requires text relocation.??This

is a potential security problem. Most libraries do not need this permission.

Libraries are sometimes coded incorrectly and request this permission.??The

[url]http://people.redhat.com/drepper/selinux-mem.html[/url] web page explains how to

remove this requirement.??You can configure SELinux temporarily to allow

/usr/local/apache2/modules/libphp5.so to use relocation as a workaround,

until the library is fixed. Please file a

[url]http://bugzilla.redhat.com/bugzilla/enter_bug.cgi[/url] against this package.

Allowing Access

If you trust /usr/local/apache2/modules/libphp5.so to run correctly, you can

change the file context to textrel_shlib_t. "chcon -t textrel_shlib_t

/usr/local/apache2/modules/libphp5.so"The following command will allow this access:

chcon -t textrel_shlib_t /usr/local/apache2/modules/libphp5.so

Additional Information

Source Context????????????????user_u:system_r:unconfined_t

Target Context????????????????system_u:object_r:lib_t

Target Objects????????????????/usr/local/apache2/modules/libphp5.so [ file ]

Affected RPM Packages

Policy RPM????????????????????selinux-policy-2.4.6-30.el5

Selinux Enabled?????????????? True

Policy Type?????????????????? targeted

MLS Enabled?????????????????? True

Enforcing Mode????????????????Permissive

Plugin Name?????????????????? plugins.allow_execmod

Host Name???????????????????? nagios

Platform??????????????????????Linux nagios 2.6.18-8.el5 #1 SMP Thu Mar 15

19:57:35 EDT 2007 i686 i686

Alert Count?????????????????? 3

Line Numbers

Raw Audit Messages

avc: denied { execmod } for comm="httpd" dev=sda3 egid=0 euid=0

exe="/usr/local/apache2/bin/httpd" exit=0 fsgid=0 fsuid=0 gid=0 items=0

name="libphp5.so" path="/usr/local/apache2/modules/libphp5.so" pid=31706

scontext=user_u:system_r:unconfined_t:s0 sgid=0

subj=user_u:system_r:unconfined_t:s0 suid=0 tclass=file

tcontext=system_u:object_r:lib_t:s0 tty=pts0 uid=0

注意紅色字體：大體的意思是 您需要改變libphp5.so 的相應權限。使用命令：chcon -t textrel_shlib_t /usr/local/apache2/modules/libphp5.so我運氣不好哈，加入后還是啟不來：

httpd: Syntax error on line 232 of /usr/local/apache2/conf/httpd.conf: API module structure 'php5_module' in file /usr/local/apache2/modules/libphp5.so is garbled - expected signature 41503232 but saw 41503230 - perhaps this is not an Apache module DSO, or was compiled for a different Apache version?

二：大家看最后一行。or was compiled for a different Apache version?

或編譯不同的apache版本。

OK? 換成 apache 2.0 一切搞定。

關于如上的方法，啟不動，查看日志，再按日志里的命令操作，接著又會得到提示。繼續操作。就可以完成安裝。

net-snmp 在selinux開啟的狀態下也無法啟動。需要用上面的方法來解決。或者直接關閉selinux 官網不推薦這么做。

一點小技巧。就到這吧。

本文轉自守住每一天51CTO博客，原文鏈接：http://blog.51cto.com/liuyu/78389，如需轉載請自行聯系原作者

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