---- MySQL 5.6
yum install http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
---- 설치 진행 Installation & setting
yum install mysql-community-server
---- 시스템 시작시 진행
systemctl enable mysqld
systemctl start mysqld
---- Yum으로 설치하고 mysql을 처음 구동하면, 초기 root 패스워드는 랜덤으로 생성됩니다. 초기 패스워드는 아래와 같은 명령으로 확인 가능합니다.
grep 'password' /var/log/mysqld.log
root@mysql57_02:~]# grep 'password' /var/log/mysqld.log
2020-01-07T18:21:05.473168Z 1 [Note] A temporary password is generated for root@localhost: ;iK0pIsOY6xu
---- root 패스워드와 보안 설정을 위해 다음 명령을 실행합니다.
mysql_secure_installation
Securing the MySQL server deployment.
Enter password for user root:
The existing password for the user account root has expired. Please set a new password.
New password:
Re-enter new password:
The 'validate_password' plugin is installed on the server.
The subsequent steps will run with the existing configuration
of the plugin.
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) : y
New password:
Re-enter new password:
Estimated strength of the password: 100
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
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) : n
... skipping.
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!
처음 실행하면 임시 패스워드로 로그인 할 수 있고, 로그인하자마자 패스워드가 exprie 되었다고 나옵니다.
새로운 패스워드를 입력하는 창이 나오고, 입력하면 root 패스워드를 바꿀것인지 또 묻습니다.
Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
anonymous 계정을 제거할 건지 묻습니다. 인증된 계정만 접속되어야 합니다.
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : n
원격으로 root 계정 로그인을 차단할 것인지 묻습니다.
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y
Test DB를 삭제하고 접속 제한할 것인지를 묻습니다.
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
설정한 것들을 저장할 것인지 묻습니다.
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