操作系统：CentOS release 6.8 (Final)
应用软件：mysql-5.6.40-linux-glibc2.12-x86_64
1、关闭Linux防火墙
[root@Paul ~]# service iptables stop
[root@Paul ~]# chkconfig iptables off
2、 关闭SELINUX
[root@Paul ~]# setenforce 0
[root@Paul ~]# vim /etc/selinux/config
修改/etc/selinux/config 文件
将SELINUX=enforcing改为SELINUX=disable
3、查看已安装版本
[root@node2 ~]# rpm -qa | grep mysql
mysql-libs-5.1.73-7.el6.x86_64
4、删除旧版本
[root@node2 ~]# yum remove -y mysql-libs-5.1.73-el6.x86_64
1、在mysql官网https://www.mysql.com/downloads/，依次点击下载合适版本，如下图：blob.png
blob.png
2、复制安装包的下载地址
3、下载安装包
[root@Paul ~]# wget
https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz
1、添加mysql用户和组
[root@Paul ~]# groupadd -g 306 mysql
[root@Paul ~]# useradd -g 306 -u 306 -s/sbin/nologin -M mysql
2、创建mysql安装目录和数据库文件存放目录
[root@Paul ~]# mkdir /data/mysql –pv
[root@Paul ~]# mkdir /usr/local/mysql
3、解压原码
[root@node2 ~]# tar xf mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz
解压文件拷贝到/usr/local/mysql下
[root@node2 ~]# cp -a mysql-5.6.40-linux-glibc2.12-x86_64/* /usr/local/mysql
4、修改属组、属主
[root@Paul local]# chown -R mysql.mysql /usr/local/mysql
[root@Paul ~]# chown -R mysql.mysql /data/mysql
5、修改配置文件
[root@Paul mysql]# cp support-files/my-default.cnf /etc/my.cnf
[root@Paul mysql]# vim /etc/my.cnf
basedir = /usr/local/mysql
datadir = /data/mysql
port = 3306
socket = /tmp/mysql.sock
log-err = /usr/local/mysql/data/error.log
pid-file = /usr/local/mysql/data/mysql.pid
6、初始化系统数据库
/usr/local/mysql/scripts/mysql_install_db --user=mysql --datadir=/data/mysql
--basedir=/usr/local/mysql
7、配置mysqld服务
root@Paul ~]# cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld
[root@Paul ~]# chmod +x /etc/rc.d/init.d/mysqld
[root@Paul ~]# chkconfig --add mysqld
[root@Paul ~]# chkconfig mysqld on
[root@Paul ~]# echo "/usr/local/mysql/lib" > /etc/ld.so.conf.d/mysql.conf
[root@Paul ~]# ln -sv /usr/local/mysql/include /usr/include/mysqld
8、设置mysql环境变量
[root@Paul ~]# echo "export PATH=/usr/local/mysql/bin:$PATH" > /etc/profile.d/mysql.sh
[root@Paul ~]# source /etc/profile.d/mysql.sh
9、配置帮助文档
[root@Paul ~]# vim /etc/man.config
MANPATH /usr/local/mysql/man
10、启动mysqld服务
[root@Paul ~]# service mysqld start
原文地址：http://blog.51cto.com/437549/2114513
