Ubuntu 22.04 LTSにMySQLをインストールする方法
環境
# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=22.04 DISTRIB_CODENAME=jammy DISTRIB_DESCRIPTION="Ubuntu 22.04 LTS"
MySQLのインストール手順
1.システムパッケージを更新します
# sudo apt update # sudo apt upgrade
2.MySQL 8 をインストールします
# sudo apt install mysql-server
3.MySQL8ステータスを確認します
# sudo service mysql status ● mysql.service - MySQL Community Server Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2022-05-04 17:18:19 JST; 1min 12s ago
4.MySQLサーバーにログインします
# sudo mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.29-0ubuntu0.22.04.1 (Ubuntu) Copyright (c) 2000, 2022, Oracle and/or its affiliates. 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. mysql>
5.新ユーザーを作成します
mysql> CREATE USER 'admin'@'localhost' IDENTIFIED BY 'A@123abc#'; Query OK, 0 rows affected (0.01 sec)
権限を付与します
mysql> GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' WITH GRANT OPTION; Query OK, 0 rows affected (0.00 sec)
権限をフラッシュします。
mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.01 sec)
6.認証方法を変更します
形式「auth_socket」から「mysql_native_password」に変更します。
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'Abc445566@'; Query OK, 0 rows affected (0.01 sec)
mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec)