Linux Apache 编译安装;

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Apache是常用的WEB服务端工具,在linux上称作httpd,服务名也是httpd;

在CentOS 6上默认自带httpd2.2版本,7上默认是2.4版本;

2.4的http支持使用event模型(每个线程对应一个客户请求);


在编译安装之前需要确定apr,和apr-util已经安装,在编译安装apr-util时需要制定apr的安装路径即--with-apr=/some/PATH


# mkdir /src    //创建一个存放源码包的目录;

到apache官网下载httpd2.4的src源码包httpd-2.4.25.tar.bz2;

# tar -xf httpd-2.4.25.tar.bz2    //将源码包解压;

# cd httpd-2.4.25    //进入解压后的目录;

# ./configure --help    //查询./configure的帮助文档;

# ./configure --prefix=/usr/local/httpd --sysconfdir=/etc/httpd --enabel-so --enable-ssl --enable-cgi --enable-rewrit --with-zlib --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --with-pcre --enable-modules=most --enable-mpms-shared=all --with-mpm=prefork


--prefix=    //表示安装目录的位置;

--sysconfdir=    //配置文件的安装位置;


--enable-so    //开启动态装卸载模块功能;

--enable-ssl    //开启ssl功能;

--enable-cgi    //允许执行cgi脚本;

--enable-rewrite    //开启重写功能;

--enable-modules=[all | most]    //all表示开启所有模块,most表示开启大部分模块;

--enable-mpms-shared=all    //指定要编译的mpm模块;


--with-zlib    //支持zlib压缩;

--with-apr    //指定apr的路劲,不指定则默认自行查找;

--with-apr-util    //指定apr-util的路径位置;

--with-pcre    //指定pcre;

--with-mpm=    //指定默认使用的mpm模式;


# make && make install


# ln -sv /usr/local/httpd/include /usr/include    //将开发可用的头文件制成连接以供后续开发用;

# vim /etc/man.config    //导出新的man帮助文档;

MANPATH /usr/local/httpd/man    


# vim /etc/profile.d/httpd.sh    //导出可执行文件;

echo PATH=/usr/local/httpd/bin:$PATH


最后添加服务脚本

提供SysV服务脚本/etc/rc.d/init.d/httpd,内容如下:


#!/bin/bash

#

# httpd        Startup script for the Apache HTTP Server

#

# chkconfig: - 85 15

# description: Apache is a World Wide Web server.  It is used to serve \

#        html files and CGI.

# processname: httpd

# config: /etc/httpd/conf/httpd.conf

# config: /etc/sysconfig/httpd

# pidfile: /var/run/httpd.pid


# 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/local/apache/bin/httpd}

prog=httpd

pidfile=${PIDFILE-/var/run/httpd.pid}

lockfile=${LOCKFILE-/var/lock/subsys/httpd}

RETVAL=0


start() {

        echo -n $"Starting $prog: "

        LANG=$HTTPD_LANG daemon --pidfile=${pidfile} $httpd $OPTIONS

        RETVAL=$?

        echo

        [ $RETVAL = 0 ] && touch ${lockfile}

        return $RETVAL

}


stop() {

  echo -n $"Stopping $prog: "

  killproc -p ${pidfile} -d 10 $httpd

  RETVAL=$?

  echo

  [ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}

}

reload() {

    echo -n $"Reloading $prog: "

    if ! LANG=$HTTPD_LANG $httpd $OPTIONS -t >&/dev/null; then

        RETVAL=$?

        echo $"not reloading due to configuration syntax error"

        failure $"not reloading $httpd due to configuration syntax error"

    else

        killproc -p ${pidfile} $httpd -HUP

        RETVAL=$?

    fi

    echo

}


# See how we were called.

case "$1" in

  start)

  start

  ;;

  stop)

  stop

  ;;

  status)

        status -p ${pidfile} $httpd

  RETVAL=$?

  ;;

  restart)

  stop

  start

  ;;

  condrestart)

  if [ -f ${pidfile} ] ; then

    stop

    start

  fi

  ;;

  reload)

        reload

  ;;

  graceful|help|configtest|fullstatus)

  $apachectl [email protected]

  RETVAL=$?

  ;;

  *)

  echo $"Usage: $prog {start|stop|restart|condrestart|reload|status|fullstatus|graceful|help|configtest}"

  exit 1

esac


exit $RETVAL


而后为此脚本赋予执行权限:

# chmod +x /etc/rc.d/init.d/httpd


加入服务列表:

# chkconfig --add httpd


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