■環境
ホスト側 OS : macOS Catalina バージョン10.15(19A602)
ゲスト側 OS : CentOS7.7.1908
仮想マシン: VirtualBox
mysqlバージョン:Ver 8.0.18 for Linux on x86_64 (MySQL Community Server - GPL)
$ sudo grep password /var/log/mysqld.log
2019-12-15T08:11:20.017232Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: 0vjgLjE->Td!
◆初期設定(↓は適当に入れてるだけなので内容は自身で確認してください)
$ sudo mysql_secure_installation
Securing the MySQL server deployment.
Enter password for user root: ← temporary password を入力
The existing password for the user account root has expired. Please set a new password.
New password: ← 新しいパスワードを入力
Re-enter new password: ← 新しいパスワードを入力
The 'validate_password' component is installed on the server.
The subsequent steps will run with the existing configuration
of the component.
Using existing password for root.
Estimated strength of the password: 100
Change the password for root ? ((Press y|Y for Yes, any other key for No) : N
... skipping.
By default, a MySQL installation has an anonymous user,
allowing anyone to log into MySQL without having to have
a user account created for them. This is intended only for
testing, and to make the installation go a bit smoother.
You should remove them before moving into a production
environment.
Remove anonymous users? (Press y|Y for Yes, any other key for No) : Y
Success.
Normally, root should only be allowed to connect from
'localhost'. This ensures that someone cannot guess at
the root password from the network.
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : Y
Success.
By default, MySQL comes with a database named 'test' that
anyone can access. This is also intended only for testing,
and should be removed before moving into a production
environment.
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : Y
- Dropping test database...
Success.
- Removing privileges on test database...
Success.
Reloading the privilege tables will ensure that all changes
made so far will take effect immediately.
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : Y
Success.
All done!
◆設定したパスワードでログイン
$ mysql -u root -p
Enter password: ←先程設定したパスワードを入力
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 18
Server version: 8.0.18 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.