1. Download the installation package of mysql-5.7 version
1. 官方下载安装包: https://downloads.mysql.com/archives/community/
2本次我安装的是 下载安装包 mysql-5.7.20-linux-glibc2.l2-x86.tar.gz
3. 本次安装路径我是选择默认的路径: /usr/local
2. Unzip the installation package and move it to the installation directory
1. 解压安装包: tar zxvf mysql-5.7.20-linux-glibc2.l2-x86.tar.gz
2. mv mysql-5.7.20-linux-glibc2.l2-x86 mysql && mv mysql /usr/local
3. Create mysql data directory and initialize mysql
1. 创建data目录在/usr/local/mysql
2: 创建权限: chown -R mysql:mysql /usr/local/mysql (mysql用户需要提前创建)
3.设置环境变量 : /etc/profile : 最后面添加一句 export PATH=/usr/local/mysql/bin:$PATH
4. 重新加载环境变量 source /etc/profile
5: 初始化mysql 在/usr/local/mysql/bin , 免登录密码安装: mysqld --initialize-insecure --user=mysql --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql
Four. Create mysql configuration file
1. 创建mysql 配置文件: /etc/my.cnf
2. 添加配置文件的内容:简单的配置, 如果你需要其他的, 自行添加
[mysqld]
user=mysql
port = 3306
socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
[mysql]
socket = /tmp/mysql.sock
5. Configure the startup file, use systemctl to start
1. cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
2: chkconf --add mysqld
3. systemctl start/stop/restart/status mysqld