CentOS6上编译安装httpd2.4
在CentOS6上无法直接使用rpm包安装httpd2.4，因为httpd2.4依赖于：apr-1.4及以上版本apr-util-1.4及以上版本而直接升级apr和apr-util会覆盖直接版本的程序，影响其他程序的依赖关系，所以一般使用编译安装的方式安装apr和apr-util，然后编译安装httpd2.4。
具体步骤如下：1、准备安装环境和源码包
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# yum groupinstall "Development Tools" "Server Platform Development" -y
# yum install pcre-devel -y
下载源码包，这里我用到的是：apr-1.5.0.tar.bz2apr-util-1.5.3.tar.bz2httpd.2.4.9.tar.bz22、编译安装apr和apr-util
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# tar xf apr-1.5.0.tar.bz2
# cd apr-1.5.0
# ./configure --prefix=/usr/local/apr
//为避免影响原有版本apr，将新版本apr安装到新的目录/usr/local/apr，--prefix选项为指定安装
目录
# make && make install
# tar xf apr-util-1.5.3.tar.bz2
# cd apr-util-1.5.3
# ./configure --prefix=/usr/local/apr-util --with-apr=/usr
/local/apr
//同样将apr-util安装到新的目录，--with-apr指定apr所在目录
# make && make install
3、编译安装httpd2.4
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# tar xf httpd-2.4.9.tar.bz2
# cd httpd-2.4.9
# ./configure --prefix=/usr/local/apache --sysconf=/etc/http
d24 --enable-so --enable-ssl --enable-cgi --enable-rewrite --with-zlib --with-pcre --with-
apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --enable-modules=most --enable-mpms
-shared =all --with-mpm=prefork
// --prefix=/usr/local/apache ：安装位置
// -sysconf=/etc/httpd24 ：配置文件位置
// --enable-so ：支持DSO动态装载模块
// --enable-ssl ：支持SSL/TLS，可实现https协议访问，需要安装openssl-devel
// --enable-cgi ：支持CGI脚本
// --enable-rewrite ：支持URL重写
// --with-zlib ：使用指定的zlib压缩库，不指定路径会自动寻找
// --with-pcre ：使用指定的pcre库，增强的正则表达式分析工具；不指定路径会自动寻找，需要安装
pcre-devel
// --with-apr=/usr/local/apr ：指定依赖的apr程序安装位置
// --with-apr-util=/usr/local/apr-util ：指定依赖的apr-util程序安装位置
// --enable-modules=most ：支持动态启用模块：all：所有；most：常用
// --enable-mpms-shared=all ：编译并共享的模块
// --with-mpm=event ：默认启用的mpm模块；可选项有prefork|worker|event
# make && make install
4、安装后配置（1）添加环境变量，并重读文件因为是编译安装的httpd，所以PATH环境变量里并没有我们所安装的目录，需要手动添加
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# vim /etc/profile.d/httpd24.sh
export PATH=/usr/local/apache/bin:$PATH
# source /etc/profile.d/httpd24.sh
添加完成后，执行httpd命令时，就可以正常使用，如果不添加到环境变量，则需要在绝对路径下使用，十分不便。（2）导出头文件
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# ln -sv /usr/local/apache/include /usr/include/httpd
不需要复制，创建软链接即可（3）导出man手册
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# vim /etc/man.confg
（4）编写服务脚本
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# vim /etc/rc.d/init.d/httpd
#!/bin/bash
#
# httpd Startup script for the Apache HTTP Server
#
# chkconfig: - 85 15
# description: The Apache HTTP Server is an efficient and extensible\
# server implementing the current HTTP standards.
# processname: httpd
# config: /etc/httpd/conf/httpd.conf
# config: /etc/sysconfig/httpd
# pidfile: /var/run/httpd/httpd.pid
#
### BEGIN INIT INFO
# Provides: httpd
# Required-Start: $local_fs $remote_fs $network $named
# Required-Stop: $local_fs $remote_fs $network
# Should-Start: distcache
# Short-Description: start and stop Apache HTTP Server
# Description: The Apache HTTP Server is an extensible server
#implementing the current HTTP standards.
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
if [ -f /etc/sysconfig/httpd ]; then
. /etc/sysconfig/httpd
fi
# Start httpd in the C locale by default.
HTTPD_LANG=${HTTPD_LANG-"C"}
# This will prevent initlog from swallowing up a pass-phrase prompt if
# mod_ssl needs a pass-phrase from the user.
INITLOG_ARGS=""
# Set HTTPD=/usr/sbin/httpd.worker in /etc/sysconfig/httpd to use a server
# with the thread-based "worker" MPM; BE WARNED that some modules may not
# work correctly with a thread-based MPM; notably PHP will refuse to start.
# Path to the apachectl script, server binary, and short-form for messages.
apachectl=/usr/local/apache/bin/apachectl
httpd=${HTTPD-/usr/sbin/httpd}
prog=httpd
pidfile=${PIDFILE-/var/run/httpd/httpd24.pid}
lockfile=${LOCKFILE-/var/lock/subsys/httpd24}
RETVAL=0
STOP_TIMEOUT=${STOP_TIMEOUT-10}
# The semantics of these two functions differ from the way apachectl does
# things -- attempting to start while running is a failure, and shutdown
# when not running is also a failure.So we just do it the way init scripts
# are expected to behave here.
start() {
echo -n $"Starting $prog: "
LANG=$HTTPD_LANG daemon --pidfile=${pidfile} $httpd $OPTIONS
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch ${lockfile}
return $RETVAL
}
# When stopping httpd, a delay (of default 10 second) is required
# before SIGKILLing the httpd parent; this gives enough time for the
# httpd parent to SIGKILL any errant children.
stop() {
status -p ${pidfile} $httpd > /dev/null
if [[ $? = 0 ]]; then
echo -n $"Stopping $prog: "
killproc -p ${pidfile} -d ${STOP_TIMEOUT} $httpd
else
echo -n $"Stopping $prog: "
success
fi
RETVAL=$?
echo
[ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}
}
reload() {
echo -n $"Reloading $prog: "
if ! LANG=$HTTPD_LANG $httpd $OPTIONS -t >&/dev/null; then
RETVAL=6
echo $"not reloading due to configuration syntax error"
failure $"not reloading $httpd due to configuration syntax error"
else
# Force LSB behaviour from killproc
LSB=1 killproc -p ${pidfile} $httpd -HUP
RETVAL=$?
if [ $RETVAL -eq 7 ]; then
failure $"httpd shutdown"
fi
fi
echo
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p ${pidfile} $httpd
RETVAL=$?
;;
restart)
stop
start
;;
condrestart|try-restart)
if status -p ${pidfile} $httpd >&/dev/null; then
stop
start
fi
;;
force-reload|reload)
reload
;;
graceful|help|configtest|fullstatus)
$apachectl $@
RETVAL=$?
;;
*)
echo $"Usage: $prog {start|stop|restart|condrestart|try-restart|force-reload|reload|status|fullstatus|graceful|help|configtest}"
RETVAL=2
esac
exit $RETVA
编写完服务脚本后，需要将服务脚本设为开机启动
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# chkconfig --add httpd
# chkconfig httpd on
写的比较潦草，如有遗漏错误和争议之处，欢迎大家的批评指正和讨论，谢谢。
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