安装MySQL8.0.x并修改密码
https://mysql.net.cn/doc/refman/8.0/en/docker-mysql-getting-started.html
拉取镜像
debian@debian:~$ sudo docker pull mysql:8.0.25
[sudo] password for debian:
8.0.25: Pulling from library/mysql
b4d181a07f80: Pull complete
a462b60610f5: Pull complete
578fafb77ab8: Pull complete
524046006037: Pull complete
d0cbe54c8855: Pull complete
aa18e05cc46d: Pull complete
32ca814c833f: Pull complete
9ecc8abdb7f5: Pull complete
ad042b682e0f: Pull complete
71d327c6bb78: Pull complete
165d1d10a3fa: Pull complete
2f40c47d0626: Pull complete
Digest: sha256:52b8406e4c32b8cf0557f1b74517e14c5393aff5cf0384eff62d9e81f4985d4b
Status: Downloaded newer image for mysql:8.0.25
docker.io/library/mysql:8.0.25
运行
debian@debian:~$ sudo mkdir -p /opt/docker_v/mysql/conf
debian@debian:~$ sudo docker run --name mysql \
-p 3306:3306 \
-e MYSQL_ROOT_PASSWORD=123456 \
-v /opt/docker_v/mysql/conf:/etc/mysql/conf.d \
-d mysql:8.0.25
0cbb869d76c23c839ac3e47206c7191e468eeddbefa2e540456c6c4b193b9af2
debian@debian:~$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
0cbb869d76c2 mysql:8.0.25 "docker-entrypoint.s…" 34 seconds ago Up 33 seconds 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.25 MySQL Community Server - GPL
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.007 sec)
MySQL [(none)]> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
MySQL [mysql]> show tables;
+------------------------------------------------------+
| Tables_in_mysql |
+------------------------------------------------------+
| columns_priv |
| component |
| db |
| default_roles |
| engine_cost |
| func |
| general_log |
| global_grants |
| gtid_executed |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| innodb_index_stats |
| innodb_table_stats |
| password_history |
| plugin |
| procs_priv |
| proxies_priv |
| replication_asynchronous_connection_failover |
| replication_asynchronous_connection_failover_managed |
| role_edges |
| server_cost |
| servers |
| slave_master_info |
| slave_relay_log_info |
| slave_worker_info |
| slow_log |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+------------------------------------------------------+
35 rows in set (0.007 sec)
MySQL [mysql]>
MySQL [mysql]> desc user;
+--------------------------+-----------------------------------+------+-----+-----------------------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------------------------+-----------------------------------+------+-----+-----------------------+-------+
| Host | char(255) | NO | PRI | | |
| User | char(32) | NO | PRI | | |
| Select_priv | enum('N','Y') | NO | | N | |
| Insert_priv | enum('N','Y') | NO | | N | |
| Update_priv | enum('N','Y') | NO | | N | |
| Delete_priv | enum('N','Y') | NO | | N | |
| Create_priv | enum('N','Y') | NO | | N | |
| Drop_priv | enum('N','Y') | NO | | N | |
| Reload_priv | enum('N','Y') | NO | | N | |
| Shutdown_priv | enum('N','Y') | NO | | N | |
| Process_priv | enum('N','Y') | NO | | N | |
| File_priv | enum('N','Y') | NO | | N | |
| Grant_priv | enum('N','Y') | NO | | N | |
| References_priv | enum('N','Y') | NO | | N | |
| Index_priv | enum('N','Y') | NO | | N | |
| Alter_priv | enum('N','Y') | NO | | N | |
| Show_db_priv | enum('N','Y') | NO | | N | |
| Super_priv | enum('N','Y') | NO | | N | |
| Create_tmp_table_priv | enum('N','Y') | NO | | N | |
| Lock_tables_priv | enum('N','Y') | NO | | N | |
| Execute_priv | enum('N','Y') | NO | | N | |
| Repl_slave_priv | enum('N','Y') | NO | | N | |
| Repl_client_priv | enum('N','Y') | NO | | N | |
| Create_view_priv | enum('N','Y') | NO | | N | |
| Show_view_priv | enum('N','Y') | NO | | N | |
| Create_routine_priv | enum('N','Y') | NO | | N | |
| Alter_routine_priv | enum('N','Y') | NO | | N | |
| Create_user_priv | enum('N','Y') | NO | | N | |
| Event_priv | enum('N','Y') | NO | | N | |
| Trigger_priv | enum('N','Y') | NO | | N | |
| Create_tablespace_priv | enum('N','Y') | NO | | N | |
| ssl_type | enum('','ANY','X509','SPECIFIED') | NO | | | |
| ssl_cipher | blob | NO | | NULL | |
| x509_issuer | blob | NO | | NULL | |
| x509_subject | blob | NO | | NULL | |
| max_questions | int unsigned | NO | | 0 | |
| max_updates | int unsigned | NO | | 0 | |
| max_connections | int unsigned | NO | | 0 | |
| max_user_connections | int unsigned | NO | | 0 | |
| plugin | char(64) | NO | | caching_sha2_password | |
| authentication_string | text | YES | | NULL | |
| password_expired | enum('N','Y') | NO | | N | |
| password_last_changed | timestamp | YES | | NULL | |
| password_lifetime | smallint unsigned | YES | | NULL | |
| account_locked | enum('N','Y') | NO | | N | |
| Create_role_priv | enum('N','Y') | NO | | N | |
| Drop_role_priv | enum('N','Y') | NO | | N | |
| Password_reuse_history | smallint unsigned | YES | | NULL | |
| Password_reuse_time | smallint unsigned | YES | | NULL | |
| Password_require_current | enum('N','Y') | YES | | NULL | |
| User_attributes | json | YES | | NULL | |
+--------------------------+-----------------------------------+------+-----+-----------------------+-------+
51 rows in set (0.007 sec)
MySQL [mysql]> select Host, User, Select_priv, authentication_string, plugin from user;
+-----------+------------------+-------------+------------------------------------------------------------------------+-----------------------+
| Host | User | Select_priv | authentication_string | plugin |
+-----------+------------------+-------------+------------------------------------------------------------------------+-----------------------+
| % | root | Y | $A$005$6{YD~&i`}+)*`hP61P/bDOzJm3FN9GmsvaJE86cs95yPKSMTVcavJLu7 | caching_sha2_password |
| localhost | mysql.infoschema | Y | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password |
| localhost | mysql.session | N | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password |
| localhost | mysql.sys | N | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password |
| localhost | root | Y | $A$005$7,7Y]bq:CP.~,_Cb.qi5ELWXFfE2Hvcg2dLaCZCpe0/EbQzcQsPgUo8NX9 | caching_sha2_password |
+-----------+------------------+-------------+------------------------------------------------------------------------+-----------------------+
5 rows in set (0.003 sec)
MySQL [mysql]> SHOW VARIABLES LIKE 'validate_password%';
Empty set (0.004 sec)
MySQL [mysql]> INSTALL COMPONENT 'file://component_validate_password';
Query OK, 0 rows affected (0.011 sec)
# mysql默认密码安全策略
MySQL [mysql]> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+--------+
| Variable_name | Value |
+--------------------------------------+--------+
| validate_password.check_user_name | ON |
| validate_password.dictionary_file | |
| validate_password.length | 8 |
| validate_password.mixed_case_count | 1 |
| validate_password.number_count | 1 |
| validate_password.policy | MEDIUM |
| validate_password.special_char_count | 1 |
+--------------------------------------+--------+
7 rows in set (0.004 sec)
MySQL [mysql]> ALTER USER root@localhost IDENTIFIED BY '123456';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
┌──(kali㉿kali)-[~]
└─$ mysql -u root -h 192.168.108.106 -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 14
Server version: 8.0.25 MySQL Community Server - GPL
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]> ALTER USER 'root'@'%' IDENTIFIED BY 'jK123456.';
Query OK, 0 rows affected (0.018 sec)
MySQL [(none)]> exit;
Bye
┌──(kali㉿kali)-[~]
└─$ mysql -u root -h 192.168.108.106 -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 15
Server version: 8.0.25 MySQL Community Server - GPL
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]> quit;
Bye
Password Validation Options and Variables：https://dev.mysql.com/doc/refman/8.0/en/validate-password-options-variables.html
总结
- 安装validate_password组件：INSTALL COMPONENT 'file://component_validate_password';
- 查看默认密码安全策略：SHOW VARIABLES LIKE 'validate_password%';
- 修改远程登录密码：ALTER USER 'root'@'%' IDENTIFIED BY 'jK123456.';
- 修改本地登录密码：ALTER USER 'root'@'localhost' IDENTIFIED BY 'asD123456.jk';