shell安装MySQL二进制包

现在解压MySQL二进制包，稍作配置，就能用了，安装速度快，安装来练习最好不过了，哈哈

该脚本只是安装二进制的MySQL包,my.cnf只修改了简单的选项，没有过多进行设置，若朋友们用我的脚本安装作为线上环境，需要在变量处修改为自己想要的内容即可，my.cnf你们要根据自己生产环境情况进行配置，安装包自己从官网下载，现在好像过墙才能下载了

官网：

#!/bin/bash
#-------------------------------
#this install just for test ues
#write on 2014-11-24
#write by xuanzhi
#------------------------------

#定义变量
soft_path=/usr/local/src
mysql_pack=mysql-5.5.40-linux2.6-x86_64.tar.gz
mysql_version=`echo "mysql-5.5.40-linux2.6-x86_64.tar.gz"|cut -d - -f1,2`
mysql_user=mysql2
mysql_port=3308
mysql_passwd=123456
install_path=/usr/local
mysql_path=/usr/local/${mysql_version}
mysql_data_path=/data/${mysql_version}/data


#创建用户、赋权、安装
groupadd ${mysql_user}
if [ $? -ne 0 ]
then
  echo "this user ${mysql_user} is exist!!"
  exit 1
fi
useradd -r -g ${mysql_user} ${mysql_user}

cd ${soft_path}
if [ ! -e ${mysql_pack} ]
then
  echo "install pack is not exist!!"
  exit 1
fi
tar zxvf ${mysql_pack} -C ${install_path}
cd ${install_path} && mv ${mysql_version}-* ${mysql_version}
chown -R root:${mysql_user} ${mysql_path}
cd ${mysql_path} && cp support-files/my-large.cnf ${mysql_path}/my.cnf
mkdir -p /data/${mysql_version}
chown -R ${mysql_user}:${mysql_user} /data/${mysql_version}

#修改my.cnf
sed -i "/3306/{x;s/^/./;/^.\{2\}$/{x;s/3306/${mysql_port}/;b};x}" ${mysql_path}/my.cnf
sed -i "/socket/{x;s/^/./;/^.\{2\}$/{x;s#/tmp/mysql.sock#/data/${mysql_version}/mysql.sock#;b};x}" ${mysql_path}/my.cnf
sed -i "/${mysql_port}/a\datadir         = ${mysql_data_path}" ${mysql_path}/my.cnf
sed -i "/${mysql_port}/a\basedir         = ${mysql_path}" ${mysql_path}/my.cnf
sed -i "/${mysql_port}/a\use             = ${mysql_user}" ${mysql_path}/my.cnf
sed -i "/innodb_buffer_pool_size/s/^#//" ${mysql_path}/my.cnf

#初始化
cd ${mysql_path} 
yum install libaio -y
scripts/mysql_install_db --user=${mysql_user} --defaults-file=${mysql_path}/my.cnf

if [ $? -ne 0 ]
then
  echo -e "\e[1;31m[MySQL install init failure...]\e[0m"
  exit 1
fi

#添加启动关闭脚本
cat >>shutdown_mysql.sh<<EOF
#!/bin/bash

${mysql_path}/bin/mysqladmin --defaults-file=${mysql_path}/my.cnf -uroot -p${mysql_passwd} -S /data/${mysql_version}/mysql.sock shutdown
EOF

cat >>start_mysql.sh<<EOF
#! /bin/sh

nohup ${mysql_path}/bin/mysqld_safe --defaults-file=${mysql_path}/my.cnf >> ${mysql_path}/start_stop.log 2>&1 &
EOF

#启动MySQL
chmod +x shutdown_mysql.sh start_mysql.sh && sh start_mysql.sh
sleep 50
ps -aux |grep -v grep |grep ${mysql_port} &> /dev/null
if [ $? -ne 0 ]
then
   echo -e "\e[1;31m[MySQL start failure...]\e[0m"
   exit 1
else
    echo -e "\e[1;32m[MySQL start secessful]\e[0m"
fi
#修改密码
${mysql_path}/bin/mysqladmin -uroot password "${mysql_passwd}"  -S /data/${mysql_version}/mysql.sock 

若脚本有什么问题，希望大家能指出，让我知道更多自己的不足，谢谢^.^