下載MySQL：https://cdn.mysql.com//Downloads/MySQL-5.6/mysql-5.6.39-linux-glibc2.12-x86_64.tar.gz

解壓移動目錄位置：
tar -zxf mysql-5.6.39-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.6.39-linux-glibc2.12-x86_64 /mnt/installer/mysql

創建用戶/修改數據目錄權限
useradd -s /sbin/nologin mysql
cd /mnt/installer/mysql
chown -R mysql. data

初始化
./scripts/mysql_install_db --user=mysql --datadir=/mnt/installer/mysql/data

報錯：
FATAL ERROR: please install the following Perl modules before executing ./scripts/mysql_install_db: Data::Dumper
解決:
yum -y install autoconf

拷貝配置文件和服務
cp support-files/my-default.cnf /etc/my.cnf
cp support-files/mysql.server /etc/init.d/mysqld

編輯服務文件
vim /etc/init.d/mysqld
修改以下參數

添加開機啟動/啟動mysql
chkconfig --add mysqld
chkconfig mysqld on
service mysqld start

• vim /etc/profile.d/path.sh
  #!/bin/bash
  export PATH=$PATH:/mnt/installer/mysql/bin
• source /etc/profile.d/path.sh