1.下载mysql5.7
https://dev.mysql.com/downloads/mysql/5.7.html#downloads

2.安装mysql5.7
tar zxvf mysql-5.7.35-linux-glibc2.12-x86_64.tar.gz #重命名目录,方便查看 mv mysql-5.7.35-linux-glibc2.12-x86_64 mysql-5.7.35 #创建账号 useradd -M -s /sbin/nologin mysql #指定mysql的所有者 chown -R mysql.mysql /data/mysql-5.7.35 #初始化mysql /data/mysql-5.7.35/bin/mysqld --initialize-insecure --user=mysql --basedir=/data/mysql-5.7.35 --datadir=/data/mysql-5.7.35/data
3. 修改 mysql的配置文件 /etc/my.cnf (仅供参考)
[client] port = 3306 socket = /data/mysql-5.7.35/mysql.sock default-character-set = utf8 [mysqld] user = mysql port = 3306 socket = /data/mysql-5.7.35/mysql.sock basedir = /data/mysql-5.7.35 datadir = /data/mysql-5.7.35/data pid-file = /data/mysql-5.7.35/mysql.pid log_error = /data/mysql-5.7.35/mysql-error.log init-connect = 'SET NAMES utf8' character-set-server = utf8 default_storage_engine = InnoDB slow_query_log = 1 long_query_time = 3 slow_query_log_file = /data/mysql-5.7.35/mysql-slow.log
4.配置环境变量
vim /etc/profile
export MYSQL=/data/mysql/mysql-5.7.35 export PATH=$PATH:$MYSQL/bin
5. 启动mysql
mysqld &