环境：CentOS6.5 数据库版本:5.6.40 1.下载mysql的安装包 cd /home mkdir mysql wget --no-check-certificate https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz 2.放到对应位置，解压 mv mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz /usr/local tar -zxvf mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz 3.修改mysql数据目录 vim /etc/my.cnf datadir=/usr/local/mysql/data socket=/usr/local/mysql/data/mysql.sock 4.添加系统mysql组和mysql用户 groupadd mysql useradd -r -g mysql mysql 5.修改目录权限 cd mysql chown -R mysql:mysql ./ 6.安装依赖库 yum install cmake gcc-c++ ncurses-devel perl-Data-Dumper boost boost-doc boost-devel numactl 8.初始化数据库 ./scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data 9,修改权限 chown -R root:root . chown -R mysql:mysql data 10.添加启动服务 cp support-files/mysql.server /etc/init.d/mysql 11.启动mysql service mysql start 12.将mysql.sock复制到指定位置否则无法打开mysqld ln -s /usr/local/mysql/data/mysql.sock /tmp/mysql.sock 14.设置root用户密码 ./bin/mysqladmin -u root password '12345' 15.连接数据库 ./bin/mysql -uroot -p12345