CentOS6.8原码安装MySQL5.6
一 安装环境操作系统：CentOS> 应用软件：mysql-5.6.40-linux-glibc2.12-x86_64
二 安装前准备
1、关闭Linux防火墙
# service iptables stop
# chkconfig iptables off
2、 关闭SELINUX
# setenforce 0
# 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
# rpm -qa | grep mysql
mysql-libs-5.1.73-7.el6.x86_64
4、删除旧版本
# yum remove -y mysql-libs-5.1.73-el6.x86_64
三 下载mysql原码
1、在mysql官网https://www.mysql.com/downloads/，依次点击下载合适版本，如下图：
2、下载安装包
# wget
https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz
四 MySQL安装步骤
1、添加mysql用户和组
# groupadd -g 306 mysql
# 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
# mkdir /data/mysql –pv
# mkdir /usr/local/mysql
3、解压原码
# tar xf mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz
解压文件拷贝到/usr/local/mysql下
# cp -a mysql-5.6.40-linux-glibc2.12-x86_64/* /usr/local/mysql
4、修改属组、属主
# chown -R mysql.mysql /usr/local/mysql
# chown -R mysql.mysql /data/mysql
5、修改配置文件
# cp support-files/my-default.cnf /etc/my.cnf
# 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
# chmod +x /etc/rc.d/init.d/mysqld
# chkconfig --add mysqld
# chkconfig mysqld on
# echo "/usr/local/mysql/lib" > /etc/ld.so.conf.d/mysql.conf
# ln -sv /usr/local/mysql/include /usr/include/mysqld
8、设置mysql环境变量
# echo "export PATH=/usr/local/mysql/bin:$PATH" > /etc/profile.d/mysql.sh
# source /etc/profile.d/mysql.sh
9、配置帮助文档
# vim /etc/man.config
MANPATH /usr/local/mysql/man
10、启动mysqld服务
# service mysqld start
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