批量安装Nginx、MySQL、PHP及LNMP环境脚本

#!/bin/bash
. /etc/init.d/functions
MMM=`rpm -qa | grep mariadb`
cat <<END 
+----------------------------------+
|                                  |
|         This  is  a LNMP         |
|                                  |
|         1.安装Nginx              |
|         2.安装MySQL              |
|         3.安装PHP                |
|         4.配置LNMP环境           |
+----------------------------------+
END
#node 1. 
  read  -p "请你输入一个数字:" NUM
  expr $NUM + 1 &> /dev/null
  if [ "$?" -ne 0 ];then
    action "对不起，请你输入整数！！！" /bin/false
    exit 1
  elif [ "$NUM" -eq 0 ];then
    action "对不起，请你输入比0大的数字！！！" /bin/false
    exit 1
  fi
#node 2.
 [ "$NUM" = "1" ] && {
  echo  "开始安装Nginx服务，请稍后.........."
  yum install gcc gcc-c++ pcre-devel zlib-devel openssl-devel -y &>/dev/null && useradd -M -s /sbin/nologin nginx && cd /usr/local/src && wget http://nginx.org/download/nginx-1.12.2.tar.gz &>/dev/null && tar zxf nginx-1.12.2.tar.gz && \
cd /usr/local/src/nginx-1.12.2 && ./configure --prefix=/usr/local/nginx --with-http_dav_module   --with-http_stub_status_module --with-http_addition_module --with-http_sub_module --with-http_flv_module --with-http_mp4_module --with-http_ssl_module --with-http_gzip_static_module --user=nginx --group=nginx &>/dev/null && make &>/dev/null && make install &>/dev/null
   if  [ -f /usr/local/nginx/sbin/nginx ];then

           ln -s /usr/local/nginx/sbin/nginx /usr/local/sbin
   fi
   if [ "$?" -eq 0 ];then
 
          action "恭喜你，成功安装Nginx！！！" /bin/true && /usr/local/nginx/sbin/nginx
          else
          action "对不起，安装Nginx失败! ! !" /bin/false
          exit 1
   fi
}
#node 3.
 [ "$NUM" = "2" ] && {
    echo "开始安装MySQL服务，请稍后........"
   if [ -n $MMM ];then
     rpm  -e mariadb-libs --nodeps 2&> /dev/null
    else
     action "mariadb卸载失败！！！" /bin/false
     exit 1
   fi
cd /usr/local/src/ && wget http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz &>/dev/null  && tar zxfm  mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz && mv mysql-5.7.18-linux-glibc2.5-x86_64 /usr/local/mysql && cd /usr/local/mysql/ && mkdir data && mkdir log && echo "export PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile && source /etc/profile && groupadd mysql && useradd -r -g mysql -s /bin/false mysql
cat << EOF > /etc/my.cnf
[client]      
socket=/usr/local/mysql/mysql.sock      
[mysqld]      
basedir=/usr/local/mysql      
datadir=/usr/local/mysql/data      
pid-file=/usr/local/mysql/data/mysqld.pid      
socket=/usr/local/mysql/mysql.sock      
log_error=/usr/local/mysql/log/mysql.err 
EOF