LAMP自动安装脚本

 #!/bin/bash
 # 功能描述：LAMP自动安装脚本

 # 初始化
 if [ "$(cat /etc/system-release | awk '{print $(NF-1)}' | awk -F"." '{print $1}')" -ne 7 ]
 then
         echo "当前程序只支持CentOS 7系统！"
         exit 1
 fi
 if [ "$(whoami)" != root ]
 then
         echo "当前用户为:$(whoami),请使用管理员身份运行"
         exit 2
 fi
 ping -c1 mirrors.aliyun.com
 if [ "$?" -ne 0 ]
 then
         echo "当前网络不通"
         exit 2
 fi
 iptables -F
 yum -y install wget net-tools
 DBPASSWD=`date | md5sum | cut -b 1-6`

 # 更改yum源
 mv /etc/yum.repos.d/*.repo /tmp/
 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
 sed -i '/aliyuncs/d' /etc/yum.repos.d/CentOS-Base.repo
 yum clean all && yum makecache

 # 安装主程序
 yum -y install httpd mariadb mariadb-server php php-mysql

 # 安装所需插件
 yum -y install php-mysql php-gd php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-snmp php-soap libjpeg* gd

 # 更改默认网站目录
 mkdir /usr/local/wwwweb
 chown apache. /usr/local/wwwweb
 sed -i 's/\/var\/www\/html/\/usr\/local\/wwwweb/g' /etc/httpd/conf/httpd.conf

 # 添加测试页面
 cat > /usr/local/wwwweb/phpinfo.php <<EOF
 <?php
 phpinfo();
 ?>
 EOF

 # 启动程序并设置开机自启
 systemctl start httpd.service
 systemctl start mariadb.service
 systemctl enable httpd.service
 systemctl enable mariadb.service

 # 更改MySQL密码
 mysqladmin -uroot password $DBPASSWD

 # 完成
 echo "已完成安装LAMP安装，数据库密码为$DBPASSWD"