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MySQL インストール
2013/07/08
  データベースサーバーに MySQL をインストールします。
[root@www ~]#
yum -y install community-mysql-server
[root@www ~]#
systemctl start mysqld.service

[root@www ~]#
systemctl enable mysqld.service

ln -s '/lib/systemd/system/mysqld.service' '/etc/systemd/system/multi-user.target.wants/mysqld.service'
[root@www ~]#
mysql -u root
# MySQLに接続

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.32 MySQL Community Server (GPL)

Copyright (c) 2000, 2013, 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.

# ユーザ情報表示

mysql>
select user,host,password from mysql.user;

+------+------------------+----------+
| user | host             | password |
+------+------------------+----------+
| root | localhost        |          |
| root | www.srv.world |          |
| root | 127.0.0.1        |          |
| root | ::1              |          |
|      | localhost        |          |
|      | www.srv.world |          |
+------+------------------+----------+
6 rows in set (0.00 sec)

# rootパスワード設定

mysql>
set password for root@localhost=password('password');

Query OK, 0 rows affected (0.00 sec)
# rootパスワード設定

mysql>
set password for root@'127.0.0.1'=password('password');

Query OK, 0 rows affected (0.00 sec)
# rootパスワード設定

mysql>
set password for root@'www.srv.world'=password('password');

Query OK, 0 rows affected (0.00 sec)
# IPV6ユーザ削除 (もし必要なければ)

mysql>
delete from mysql.user where user='root' and host='::1';

Query OK, 1 rows affected (0.00 sec)
# 匿名ユーザ削除

mysql>
delete from mysql.user where user='';

Query OK, 2 rows affected (0.00 sec)
mysql>
select user,host,password from mysql.user;

+------+------------------+-------------------------------------------+
| user | host             | password                                  |
+------+------------------+-------------------------------------------+
| root | localhost        | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| root | www.srv.world | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| root | 127.0.0.1        | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
+------+------------------+-------------------------------------------+
3 rows in set (0.00 sec)

mysql>
exit
# 終了

Bye
[root@www ~]#
mysql -u root -p
# rootで接続

Enter password:
# 設定したパスワード入力

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.32 MySQL Community Server (GPL)

Copyright (c) 2000, 2013, 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>
exit

Bye
 
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