Fedora43 : MySQL8 , WordPressインストール

# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.40 Source distribution

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Oracle is a registered trademark of Oracle Corporation and/or its
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owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> CREATE DATABASE wp_db DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
Query OK, 1 row affected, 2 warnings (0.00 sec)

mysql> CREATE USER 'wp_user'@'localhost' IDENTIFIED WITH mysql_native_password BY '?Wwabcd123';
Query OK, 0 rows affected (0.01 sec)

mysql> GRANT ALL ON wp_db.* TO 'wp_user'@'localhost';
Query OK, 0 rows affected (0.01 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> exit;
Bye

# cd wordpress/
# cp wp-config-sample.php wp-config.php
# vi wp-config.php

------------------------------------------------------------------------------------------------------------------------

// ** Database settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'wp_db' );

/** Database username */
define( 'DB_USER', 'wp_user' );

/** Database password */
define( 'DB_PASSWORD', '?Wwabcd123' );

/** Database hostname */
define( 'DB_HOST', 'localhost' );

/** Database charset to use in creating database tables. */
define( 'DB_CHARSET', 'utf8' );

/** The database collate type. Don't change this if in doubt. */
define( 'DB_COLLATE', '' );

---------------------------------------------------------------------------------------------------------------

/** Sets up WordPress vars and included files. */
require_once ABSPATH . 'wp-settings.php';
また、最終行に以下の分を追加します。
これをしないと、プラグインを追加するときにFTP接続情報なるものを聞かれます。
define('FS_METHOD', 'direct');