Para instalar o MySQL mais recente 5.7 no RHEL / Centos 7.
Existem alguns passos a seguir -:
Etapa 1 -:
Adicione o Repositório EPEL abaixo
$ sudo rpm -iUvh http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm
Etapa 2 -:
Instale o MySql Server usando abaixo do yum installer.
$ sudo yum install mysql-server
Etapa 3 -:
Adicionar ao sistema de inicialização e iniciar o servidor MySQL.
$ sudo systemctl enable mysqld
$ sudo systemctl start mysqld
Etapa 4 -:
Redefina a senha de root do servidor MySql.
sudo grep 'temporary password' /var/log/mysqld.log
Output Algo como -:
10.744785Z 1 [Note] A temporary password is generated for root@localhost: o!5y,oJGALQa
Use a senha acima durante a reinicialização do processo mysql_secure_installation.
$ sudo mysql_secure_installation
Securing the MySQL server deployment.
Enter password for user root:
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) : y
Success.
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!
Você redefiniu com sucesso a senha de root do MySql Server.
Passo 5 -:
Use o comando abaixo para checar se o servidor mysql está conectado ou não.
$ mysql -u root -p
Saída -:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 5.7.12 MySQL Community Server (GPL)
Copyright (c) 2000, 2016, 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>
Veja meu artigo: install-latest-mysql-5-7-rhelcentos-7