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安装、启动apache报错集合 有大用 有大大用
星期日, 2020-12-06 02:08 — adminshiping1
安装、启动apache报错集合
如果启动apache 报错：
[root@localhost lib]# /usr/local/apache2/bin/apachectl restart
httpd: Syntax error on line 61 of /usr/local/apache2/conf/httpd.conf: Cannot load /usr/local/apache2/modules/mod_encoding.so into server: libiconv_hook.so.1: cannot open shared object file: No such file or directory
就要：
shell> vi /etc/ld.so.conf
加入：
/usr/local/lib
shell> ldconfig //让路径起作用
如果重新起动APACHE出现:
Syntax error . line 232 of /usr/local/apache2/conf/httpd.conf: Cannot load /usr/local/apache2/modules/libphp5.so into server:
/usr/local/apache2/modules/libphp4.so: cannot restore segment prot after reloc: Permission denied
那就要按照下面的方法解决:
1.chcon -t texrel_shlib_t /usr/local/apache2/modules/*.so
------------------------------
如果启动apache 报错：
[root@localhost httpd]# cd /usr/local/apache2/bin/
[root@localhost bin]# ./apachectl start
httpd: Syntax error on line 55 of /usr/local/apache2/conf/httpd.conf: Cannot load /usr/local/apache2/modules/libphp5.so into server: libmysqlclient.so.15: cannot open shared object file: No such file or directory
解决办法：让所有库自动给连5.0.84的client lib
cd /usr/lib
ln -s /usr/local/mysql/lib/libmysqlclient.so.15 libmysqlclient.so.15
ll | grep mysqls
（1）
启动 apachectl 时出错,说httpd.conf的53行有语法错误.libphp5.so模块无法载入.
错误信息如下:
Syntax error on line 53 of /usr/local/apache2/conf/httpd.conf:
Can not load /usr/local/apache2/modules/libphp5.so into server:
/usr/local/apache2/modules/libphp5.so:
Can't restore segment prot after reloc : Permission denied
解决: apache不能加载外挂php模块这是由SELinux的安全策略配置不当引起的.在Fedora Core 的官方网站上有相关的Apache/SELinux的策略调整文档.如果嫌麻烦,可以直接修改/etc/selinux/config 将SELinux禁用.
(2)
Syntax error on line 79 of /usr/local/httpd/conf/httpd.conf:
AddType requires at least two arguments,a mime type followed by one or more file extensions
解决：要加空格
(3)
启动 httpd：httpd: Syntax error on line 210 of /etc/httpd/conf/httpd.conf: Syntax error on line 6 of /etc/httpd/conf.d/auth_mysql.conf: Cannot load /etc/httpd/modules/mod_auth_mysql.so into server: libmysqlclient.so.15: cannot open shared object file: No such file or directory
[失败]
解决：看见上面的原因可能是我之前卸载rhel自带的mysql的过程中，强制卸载了一些依赖包，解决办法如下：
vi /etc/httpd/conf.d/auth_mysql.conf //进入相关文件，注释掉出错的第六行，解决OK
在设置的DocumentRoot目录下，添加一个phpinfo.php的文件来测试系统，程序代码如下：
<?
//filename: phpinfo.php
phpinfo();
?>
这时候在客户端浏览器中访问http://localhost/phpinfo.php应该出现php的参数表，至此所有系统安装完毕。
4 测试时发现不能解析php，具体表现为页面空白，但可以解析html(就是能出来apache刚安装好后的提示那个）
解决：<?php
phpinfo();
?>
？后少加了后缀php。这是php.ini没有设置好的原因
; Allow the <? tag. Otherwise, only <?php and <script> tags are recognized.
; NOTE: Using short tags should be avoided when developing applications or
; libraries that are meant for redistribution, or deployment on PHP
; servers which are not under your control, because short tags may not
; be supported on the target server. For portable, redistributable code,
; be sure not to use short tags.
short_open_tag = Off
把这个设置为ON也可以解决。。。。。。
**************************************************************************************************
再个问题就是：浏览器显示错误信息如下：
Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0 Fatal error: Unknown: Failed opening required '/usr/local/httpd/htdocs/phpinfo.php' (include_path='.:/usr/local/lib/php') in Unknown on line 0
问题的原因是 : 你的phpinfo.php文件 在这个用户下不具有 可读的权限 通过 ls -l 查看 文件的权限 然后更改权限（添加读权限 chmod +r phpinfo.php）就不会出现这个问题了...
如果看到如图1的信息即表示成功了
-----------------------------------------------
/usr/local/apache2/bin/apachectl restart
如果碰到：
httpd: Syntax error on line 55 of /usr/local/apache2/conf/httpd.conf: Cannot load /usr/local/apache2/modules/libphp5.so into server: /usr/local/apache2/modules/libphp5.so: cannot restore segment prot after reloc: Permission denied
则需要运行：
chcon -t textrel_shlib_t /usr/local/apache2/modules/*.so
或者干脆关闭SELinux:
vi /etc/selinux/config
把文件中的SELINUX="enforcing" 改为 disabled
setenforce 0 让selinux生效
-----------------------------------------------------
如果出错：：：：：：
------------------------------------------------
启动 apachectl 时出错,说httpd.conf的53行有语法错误.libphp5.so模块无法载入.
错误信息如下:
Syntax error on line 53 of /usr/local/apache2/conf/httpd.conf:
Can not load /usr/local/apache2/modules/libphp5.so into server:
/usr/local/apache2/modules/libphp5.so:
Can't restore segment prot after reloc : Permission denied
解决: apache不能加载外挂php模块这是由SELinux的安全策略配置不当引起的.在Fedora Core 的官方网站上有相关的Apache/SELinux的策略调整文档.如果嫌麻烦,可以直接修改/etc/selinux/config 将SELinux禁用.
-------------------------------------------------------------------
Syntax error on line 79 of /usr/local/httpd/conf/httpd.conf:
AddType requires at least two arguments,a mime type followed by one or more file extensions
解决：要加空格
----------------------------------------------------------------------
启动 httpd：httpd: Syntax error on line 210 of /etc/httpd/conf/httpd.conf: Syntax error on line 6 of /etc/httpd/conf.d/auth_mysql.conf: Cannot load /etc/httpd/modules/mod_auth_mysql.so into server: libmysqlclient.so.15: cannot open shared object file: No such file or directory
[失败]
解决：看见上面的原因可能是我之前卸载rhel自带的mysql的过程中，强制卸载了一些依赖包，解决办法如下：
vi /etc/httpd/conf.d/auth_mysql.conf //进入相关文件，注释掉出错的第六行，解决OK
在设置的DocumentRoot目录下，添加一个phpinfo.php的文件来测试系统，程序代码如下：
<?
//filename: phpinfo.php
phpinfo();
?>
这时候在客户端浏览器中访问http://localhost/phpinfo.php应该出现php的参数表，至此所有系统安装完毕。
-----------------------------------------------------------
打开php测试页报错显示空白
测试时发现不能解析php，具体表现为页面空白，但可以解析html(就是能出来apache刚安装好后的提示那个）
解决：<?php
phpinfo();
?>
？后少加了后缀php。这是php.ini没有设置好的原因
; Allow the <? tag. Otherwise, only <?php and <script> tags are recognized.
; NOTE: Using short tags should be avoided when developing applications or
; libraries that are meant for redistribution, or deployment on PHP
; servers which are not under your control, because short tags may not
; be supported on the target server. For portable, redistributable code,
; be sure not to use short tags.
short_open_tag = Off
把这个设置为ON也可以解决。。。。。。
**************************************************************************************************
再个问题就是：浏览器显示错误信息如下：
Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0 Fatal error: Unknown: Failed opening required '/usr/local/httpd/htdocs/phpinfo.php' (include_path='.:/usr/local/lib/php') in Unknown on line 0
问题的原因是 : 你的phpinfo.php文件 在这个用户下不具有 可读的权限 通过 ls -l 查看 文件的权限 然后更改权限（添加读权限 chmod +r phpinfo.php）就不会出现这个问题了...
如果看到如图1的信息即表示成功了
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