Linux下mysql5.6.24（二进制）自动安装脚本

#!/bin/bash 
#mysql_install by chen 
#Email：chenhz1218@gmail.com & 296966488@qq.com 
#version 2.0 
#安装版本 5.6.20-5.6.25 
#安装要求： 
#需要可以联网，若无网络，可以先创建/data目录，将安装包上传到/data目录下 
 
#判断/data目录是否存在，若不存在则创建，并且下载mysql 
datamenu="/data" 
read -p "Input a mysql version:" -t 30 mysql_version 
read -p "Input a mysql port:" -t 30 mysql_port 
read -p "Input a mysql_server_id:" -t 30 mysql_server_id 
mysqlfile="$datamenu/mysql-$mysql_version-linux-glibc2.5-x86_64.tar.gz" 
 
if [ ! -d "$datamenu" ];then 
  mkdir "$datamenu" 
  wget -P /data http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-$mysql_version-linux-glibc2.5-x86_64.tar.gz 
elif [ ! -f "$mysqlfile" ];then 
  wget -P /data http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-$mysql_version-linux-glibc2.5-x86_64.tar.gz 
fi 
 
#解压下载好的mysql 
cd /opt 
mkdir mysql 
cd mysql 
tar zxvf $mysqlfile -C /opt/mysql 
 
#创建mysql用户 
 
egrep "^mysql" /etc/group >& /dev/null 
if [ $? -ne 0 ] 
then 
 groupadd mysql 
fi 
 
#create user if not exists 
egrep "^mysql" /etc/passwd >& /dev/null 
if [ $? -ne 0 ] 
then 
 useradd -g mysql -s /sbin/nologin -d /usr/local/mysql mysql 
fi 
 
 
#创建mysql软连接，并授权给mysql用户 
cd /usr/local/ 
rm -rf /usr/local/mysql 
ln -s /opt/mysql/mysql-$mysql_version-linux-glibc2.5-x86_64 /usr/local/mysql 
chown -R mysql:mysql /usr/local/mysql 
chown -R mysql:mysql /usr/local/mysql/ 
 
#基于配置文件，创建mysql安装目录，并授权 
mkdir -p /data/mysql 
mkdir -p /data/mysql/mysql${mysql_port} 
cd /data/mysql/mysql${mysql_port}/ 
mkdir /data/mysql/mysql${mysql_port}/data 
mkdir /data/mysql/mysql${mysql_port}/logs 
mkdir /data/mysql/mysql${mysql_port}/tmp 
chown -R mysql:mysql /data/mysql/mysql${mysql_port} 
 
cat > /etc/my.cnf << EOF 
 
[client] 
port   = ${mysql_port} 
socket   = /tmp/mysql.sock 
 
# The MySQL server 
[mysqld] 
# Basic 
port   = ${mysql_port} 
user  = mysql 
basedir   = /usr/local/mysql 
datadir   = /data/mysql/mysql${mysql_port}/data 
tmpdir   = /data/mysql/mysql${mysql_port}/tmp 
socket   = /tmp/mysql.sock 
 
log-bin  = /data/mysql/mysql${mysql_port}/logs/mysql-bin 
 
log-error = error.log 
slow-query-log-file = slow.log 
skip-external-locking 
skip-name-resolve 
log-slave-updates 
 
lower_case_table_names = 1 #忽略表名大小写 
 
character_set_server   = gbk 
innodb_file_per_table   = 1 
innodb_autoinc_lock_mode  = 2 
 
explicit_defaults_for_timestamp = true 
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 
 
EOF 
 
 
#初始化mysql 
 
cd /usr/local/mysql 
./scripts/mysql_install_db --defaults-file=/etc/my.cnf 
 
 
#在/etc/init.d下创建mysql 启动脚本 
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql 
 
 
#添加环境变量，并使/etc/profile环境变量生效 
echo "export PATH=$PATH:/usr/local/mysql/bin">>/etc/profile