1. wget  http://mirrors.163.com/mysql/Downloads/MySQL-5.7/mysql-5.7.34-el7-x86_64.tar.gz
    2. tar xf mysql-5.7.34-el7-x86_64.tar.gz -C /opt/apps/
    4. cd /opt/apps/
    6. ln -s mysql-5.7.34-el7-x86_64 mysql
    7. cd mysql
    9. groupadd mysql
    10. useradd -r -g mysql -s /bin/false mysql
    11. mkdir etc /mysql_data
    12. chown mysql:mysql /mysql_data
    13. chmod 750 /mysql_data
    15. vim etc/my63306.cnf
    17. [client]
    18. default-character-set = utf8mb4
    20. [mysql]
    21. default-character-set = utf8mb4
    23. [mysqld]
    24. user=mysql
    26. default-storage-engine = INNODB
    28. collation_server = utf8mb4_unicode_ci
    29. init_connect='SET NAMES utf8mb4'
    30. character_set_server = utf8mb4
    31. character-set-client-handshake = FALSE
    33. port=63306
    34. socket=/tmp/mysql63306.sock
    35. datadir=/mysql_data
    37. ## init
    38. bin/mysqld --initialize --user=mysql --datadir=/mysql_data
    40. ## start mysql
    41. bin/mysqld_safe --defaults-file=etc/my63306.cnf &
    43. ## modify mysql root password
    44. bin/mysql -S /tmp/mysql63306.sock -uroot -p
    45. #输入初始化的时候的随机密码 (grep 'temporary password' /var/lib/mysql.err)
    46. # grep 
    47. #mysql> alter user 'root'@'localhost' identified by 'P@ssw0rd';
    48. #mysql> flush privileges;
    49. #mysql> quit;
    50. #重新用新密码登录
    51. bin/mysql -S /tmp/mysql63306.sock -uroot -p
    53. #原文链接：https://blog.csdn.net/weixin_43326287/article/details/82926240

    感谢以下链接：
    https://blog.csdn.net/weixin_43326287/article/details/82926240
    http://mirrors.163.com/mysql/Downloads/MySQL-5.7/