Apache是开源的的、最流行的Web服务器软件之一,它快速、可靠并且可通过简单的API扩充，将Perl/Python/PHP等解释器编译到服务器中。Apache的模块超多，以及具有运行稳定，强大的rewrite功能、动态处理能力强等优点，在追求稳定的业务环境下被广泛使用。

  以下是Apache2.4版本prefork模式的源码编译脚本：

#!/bin/bash

#

#********************************************************************

#Author:        Eddie.Peng

#URL:           https://www.cnblogs.com/eddie1127/

#Date:          2019-10-18

#FileName:      httpd_install.sh

#Description:   The script for install Apache httpd web server

#********************************************************************

# Set color

COLORBEG="\033[1;31m"

COLOREND="\033[0m"

# Check if user is root

if [ $(id -u) !=0 ];then

	echo -e "${COLORBEG} Error! You must be root to run this script,please use root to install. ${COLOREND}"

	exit 10

fi

clear

echo "=========================================================================="

echo " "

echo "The script for install Apache httpd web server"

echo " "

echo "=========================================================================="

#modify system and kernel args

ulimit -SHn 65535

cat >>/etc/security/limits.conf << EOF

* soft nproc

* hard nproc 65535

* soft nofile 65535

* hard nofile 65535

EOF

cat >> /etc/sysctl.conf << EOF

fs.file-max = 2000000

net.ipv4.tcp_tw_reuse = 1

net.ipv4.tcp_tw_recycle = 1

net.ipv4.tcp_keepalive_time = 600

net.ipv4.tcp_keepalive_intvl = 15

net.ipv4.tcp_keepalive_probes = 3

net.ipv4.tcp_fin_timeout = 30

net.ipv4.tcp_syncookies = 1

net.core.netdev_max_backlog = 8096

net.core.somaxconn = 65535

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.icmp_ignore_bogus_error_responses = 1

EOF

sysctl -p

# Install dependent software packge

yum -y install wget gcc apr-devel apr-util-devel pcre-devel openssl-devel libnghttp2-devel expat-devel

#Check files if exits

echo "=============================== Check files ========================================="

CUR_DIR=$(pwd)

VER=httpd-2.4.41.tar.gz

DIR=${VER%.tar*}

INSTALL_DIR=/usr/local/httpd24

cd $CUR_DIR

if [ -s $VER ];then

	echo "$VER [found]"

else

	echo -e "${COLORBEG} $VER not found!!! download now... ${COLOREND}"

	wget -c http://mirrors.tuna.tsinghua.edu.cn/apache/httpd/$FILE

fi

#Create run user for httpd server

id -u apache

if [ $? -eq 0 ];then

	echo -e "${COLORBEG} user apache already exist,skip... ${COLOREND}"

else

	groupadd -g 48 apache

	useradd -u 48 -r -s /sbin/nologin -g apache apache

	echo -e "\033[1;32m user apache has been created. \033[0m"

fi

#Install httpd web server

cd $CUR_DIR

tar -xvf $VER -C /usr/local/src

cd /usr/local/src/$DIR

./configure --prefix=$INSTALL_DIR \

--enable-so \

--enable-ssl \

--enable-cgi \

--enable-http \

--enable-http2 \

--enable-proxy \

--enable-proxy-fcgi \

--enable-rewrite \

--with-zlib \

--with-pcre \

--with-mpm=prefork \

--enable-modules=most \

--enable-mpms-shared=all \

--disable-version

make -j $(nproc) && make install

echo "===================================== Check install ================================================="

clear

INSTALL=""

echo "Checking..."

if [ -s $INSTALL_DIR/bin/httpd ] && [ -s $INSTALL_DIR/conf/httpd.conf ];then

	echo -e "\033[1;32m httpd install OK! \033[0m"

	INSTALL="OK"

else

	echo -e "${COLORBEG} Error,$INSTALL_DIR/bin/httpd not found! httpd install failed,please check ${COLOREND}"

fi

if [ "$INSTALL" = "OK" ];then

	echo -e "\033[1;32m Congratulation! httpd install completed! enjoy it. \033[0m"

	echo "================================================================================"

	echo "The path of some dirs:"

	echo "httpd_exec_dir: $INSTALL_DIR/bin"

	echo "httpd config : $INSTALL_DIR/conf"

	echo "================================================================================="

else

	echo -e "${COLORBEG} Sorry,httpd install Failed! Please check and reinstall. ${COLOREND}"

	exit 20

fi

#Add httpd service on start up

cat > /usr/lib/systemd/system/httpd.service << EOF

[Unit]

Description=The Apache HTTP Server

After=network.target remote-fs.target nss-lookup.target

Documentation=man:httpd(8)

Documentation=man:apachectl(8)

[Service]

Type=forking

#EnvironmentFile=/etc/sysconfig/httpd

ExecStart=$INSTALL_DIR/bin/httpd $OPTIONS -k start

ExecReload=$INSTALL_DIR/bin/httpd $OPTIONS -k graceful

ExecStop=/bin/kill -WINCH \${MAINPID}

KillSignal=SIGCONT

PrivateTmp=true

[Install]

WantedBy=multi-user.target

EOF

systemctl daemon-reload

systemctl enable --now httpd.service

#Check start up

if [ $? -eq 0 ];then

	echo -e "\033[1;32m httpd service start success! \033[0m"

else

	echo -e "${COLORBEG} httpd service start failed,please check. ${COLOREND}"

fi