LAMP搭建2：Apache安装
1.进入/usr/local/src/目录下去下载Apache的安装包httpd-2.2.29.tar.gz# cd /usr/local/src
# ls
httpd-2.2.9.tar.gz
2.解压安装包
# tar zxvf httpd-2.2.9.tar.gz
3.进入安装目录
# cd httpd-2.2.9
# ls
ABOUT_APACHE CHANGES include modules srclib
acinclude.m4 config.layoutINSTALL NOTICE support
Apache.dsw configure InstallBin.dspNWGNUmakefile test
apachenw.mcp.zipconfigure.in LAYOUT os VERSIONING
build docs libhttpd.dsp README
BuildAll.dsp emacs-style LICENSE README.platforms
BuildBin.dsp httpd.dsp Makefile.in ROADMAP
buildconf httpd.spec Makefile.win server
4.查看安装说明文件INSTALL可以看到安装步骤
……
$ ./configure --prefix=PREFIX
$ make
$ make install
$ PREFIX/bin/apachectl start
……
5.使用下面的参数配置安装选项，回车即可
# ./configure --prefix=/usr/local/apache2 --with-included-apr --enable-so --enable-deflate=shared --enable-expires=shared --enable-rewrite=shared --with-pcre
其中：
--prefix指定安装目录
--with-include-apr依赖包apr，支持httpd，可以跨平台运作
--with-pcre正则相关的库
shared表示以动态共享的方式安装
有错改错，缺少什么库就安装：
如checking whether to enable mod_deflate... configure: error: mod_deflate has been requested but can not be built due to prerequisite failures
yum installzlib-devel
6.直到配置没有问题然后开始编译
# echo $?
0
# make
7.编译没问题然后开始安装
# echo $?
0
# make install
8.安装成功
# echo $?
0
# ls /usr/local/apache2/
bin cgi-binerror icons lib man modules
buildconf htdocsincludelogsmanual
9.现在还不能直接运行，需要编辑Apache主配置文件httpd.conf：
# vim /usr/local/apache2/conf/httpd.conf
将ServerName改为localhost:80，去掉前面的注释符#
……
# ServerName gives the name and port that the server uses to identify itself.
# This can often be determined automatically, but we recommend you specify
# it explicitly to prevent problems during startup.
#
# If your host doesn't have a registered DNS name, enter its IP address here.
#
ServerName localhost:80
……
10.将Apache加入系统环境变量：
# vim /etc/profile.d/path.sh
#!/bin/bash
export PATH=$PATH:/etc/init.d/:/usr/local/mysql/bin/:/usr/local/apache2/bin/
# source /etc/profile.d/path.sh
11.检查配置是否正确，正确则启动Apache
# apachectl -t
Syntax OK
# apachectl start
httpd (pid 22581) already running
12.查看Apache的进程和端口
# ps aux|grep httpd
# netstat -lnp
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