lamp环境一键部署（yum）

   再次更新这个脚本的目的，一是为了将学到的脚本知识得以应用；二来多锻炼自己的脚本能力，再不多写写都快忘了。此脚本在centos5/6系统下测试通过，脚本全部为rpm包安装。

#!/bin/bash
# Filename: lamp_install.sh
# Author: zhangliang - [e-mail]
# QQ : 295029531
# Last modified: 2013-11-27 16:23
# Description: Easy to Install LAMP
clear
cat << EOF
+---------------------------------------------------------------------------+
|    ===== Welcome to LAMP for RHEL/CentOS  Install! ====                   |
+---------------------------------------------------------------------------+
|                   Eeay to install LAMP!                                   |
+---------------------------------------------------------------------------+
|       Version: 1.0.2                                                      |
|       Author: ZhangLiang                                                  |
|       QQ: 295029531                                                       |
|       Blog:  http://zliang90.blog.51cto.com/                              |
|       E-mail: [e-mail]                                       |
+---------------------------------------------------------------------------+
EOF
INSLOG=lamp_install.log
HTTPCONF=/etc/httpd/conf/httpd.conf
color()
{
    echo -e "\t[ \033[32;49m $1 \033[0m ]"
}
lamp_install() {
    apache_install &&
    mysql_install &&
    php_install && {
        echo -n "Update the apache configure file ..."
        sed -i \
            -e '/^AddType application\/x-gzip .gz .tgz/a AddType application/x-httpd-php .php' \
            -e 's/DirectoryIndex index.html/DirectoryIndex index.php index.html/' \
            $HTTPCONF
        echo "<?php phpinfo(); ?>" > /var/www/html/index.php
        } && color 'DONE' && end_over
}
apache_install() {
    echo -n 'Install apache server...'
    yum -y install httpd httpd-devel mod_ssl &>$INSLOG && color 'DONE'
}
mysql_install() {
    echo -n 'Install mysql-server ... '
    yum -y install mysql mysql-server mysql-devel perl-DBD-MySQL &>$INSLOG && color 'DONE'
}
php_install() {
    echo -n 'Install PHP environment... '
    yum -y install php php-mbstring php-gd php-mysql php-xml php-devel php-ldap &>$INSLOG && color 'DONE'
}
end_over() {
    cat << _END
**Successful installation LAMP!
  Now, you can perform the following command to start the httpd and mysqld service:
  /etc/init.d/mysqld start
  /etc/init.d/httpd start
  After that, You can visit the http://localhost/index.php to test LAMP environment.
_END
}
read -t 10 -p 'Are you sure you want to install the LAMP (yes/[no])? ' lamp
if [[ "$lamp" == @("YES"|"yes"|"Yes"|"y"|"Y") ]]; then
    cat << _EOF
Install Option:
    (N): Only install Apache;
    (M): Only install Mysql;
    (P): Only install PHP;
    (A): Full install LAMP(Apache+Mysql+PHP);
    (Q): Quit;
_EOF
    read -p "Please select the above installation options (Default: A)? " OPTION
    case "$OPTION" in
        ""|A|a) lamp_install ;;
        N|n) apache_install ;;
        M|m) mysql_install ;;
        P|p) php_install ;;
        Q|q) exit 0
    esac
else
    echo -e '\nPlease select yes or no!'
    exit
fi