mysq5.7

1、mv mysql-5.7.22-linux-glibc2.12-x86_64 mysql

2、 chown -R work:work /home/work/mysql

3、su - work

4、mkdir etc data logs tmp

5、 vim etc/my.cnf

6、 /home/work/mysql/bin/mysqld --defaults-file=/home/work/mysql/etc/my.cnf --basedir=/home/work/mysql --datadir=/home/work/mysql/data --user=root --initialize

7、vim etc/my.cnf #再[mysqld]下增加 skip-grant-tables参数跳过密码认证 

8、/home/work/mysql/bin/mysqld_safe --defaults-file=/home/work/mysql/etc/my.cnf &

9、use mysql;UPDATE user SET authentication_string = password('123456'),password_expired = 'N',password_last_changed = now() WHERE User = 'root';

10、FLUSH PRIVILEGES;

11、#重置密码后，将 skip-grant-tables 在配置文件中注释并重启mysql服务

12、/home/work/mysql/bin/mysqladmin -u root -p -S /home/work/mysql/tmp/mysql.sock shutdown

13、/home/work/mysql/bin/mysqld_safe --defaults-file=/home/work/mysql/etc/my.cnf &

14、ps -ef |grep mysqld |grep -v grep