MySQLのインストール
MySQL 公式の yum リポジトリを追加した後、インストール
# yum localinstall http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm
# yum info mysql-community-server
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.cat.net
* extras: mirrors.cat.net
* updates: mirrors.cat.net
mysql-connectors-community | 2.5 kB 00:00:00
mysql-tools-community | 2.5 kB 00:00:00
mysql57-community | 2.5 kB 00:00:00
(1/3): mysql-connectors-community/x86_64/primary_db | 49 kB 00:00:00
(2/3): mysql-tools-community/x86_64/primary_db | 66 kB 00:00:00
(3/3): mysql57-community/x86_64/primary_db | 190 kB 00:00:00
Available Packages
Name : mysql-community-server
Arch : x86_64
Version : 5.7.28
Release : 1.el7
Size : 199 M
Repo : mysql57-community/x86_64
Summary : A very fast and reliable SQL database server
URL : http://www.mysql.com/
License : Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Under GPLv2 license as shown in the Description field.
Description : （以下省略）
# yum -y install mysql-community-server
MySQLのバージョン確認
# mysqld --version
mysqld Ver 5.7.28 for Linux on x86_64 (MySQL Community Server (GPL))
MySQLサービスを起動、停止してみる
# systemctl start mysqld
# systemctl status mysqld
初回起動時にrootユーザの一時パスワードが作成され、以下のログファイルに出力される
※以下のパスワードは例です
# cat /var/log/mysqld.log | grep password
2019-10-30T15:57:02.866797Z 1 [Note] A temporary password is generated for root@localhost: lyo6Vv(N5tMe
初回ログイン
MySQLにログインしてみる
# mysql -u root -h localhost -p
Enter password: ←ここで一時パスワードを入力する
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.28
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.
mysql>
mysql> \q
Bye
この状態でコマンド実行しようとするとrootのパスワード変更を求められるので、以下の通り変更する
mysql> SHOW DATABASES;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Your_passw0rd';
Query OK, 0 rows affected (0.00 sec)
mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.01 sec)