一键安装mysql的脚本

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最近在弄配置mysql的主从测试，老是重复安装mysql
所以做了个脚本，mysql流程是参考别人的
但是shell是自己写的

#!/bin/bash
#切换到下载目录
cd /usr/local/src
#下载免免编译的包
wget http://mirrors.sohu.com/mysql/My ... bc2.5-x86_64.tar.gz
#解压
tar zxvf mysql-5.6.29-linux-glibc2.5-x86_64.tar.gz
#移动解压的文件到安装目录
mv mysql-5.6.29-linux-glibc2.5-x86_64 /usr/local/mysql
#创建用户
useradd -s /sbin/nologin mysql
#切换到安装目录
cd /usr/local/mysql
#创建mysql数据存储目录并将该目录设置为mysql的用和组
mkdir -p /data/mysql ; chown -R mysql.mysql /data/mysql
#执行初始化安装，定义用户为mysql 数据存储目录
./scripts/mysql_install_db --user=mysql --datadir=/data/mysql
#复制启动文件到init目录，并给执行权限
cp support-files/mysql.server  /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
#创建/etc/my.cnf 引号后面的内容可以自己根据自己情况修改
echo "# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/ ... ation-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.

[mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
log_bin=mysql-bin

# These are commonly set, remove the # and set as required.
basedir = /usr/local/mysql
datadir = /data/mysql
port = 3306
server_id = 1
socket = /data/mysql/mysql.sockt

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
" >/etc/my.cnf
#修改启动文件的程序安装目录和数据存储目录（根据不同的版本这个位置可能有区别）
sed -i '46c  basedir=/usr/local/mysql' /etc/init.d/mysqld
sed -i '47c  datadir=/data/mysql' /etc/init.d/mysqld
#增加为服务，并设置开机启动
#启动mysql
chkconfig --add mysqld
chkconfig mysqld on
service mysqld start



测试通过环境为centos6.4_64