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Servidor Debian 9 'Stretch'



pt:stretch:intranet:database:mysql_mariadb

3.4.1 Servidor MySQL: MariaDB

Instalar o servidor de base de dados MySQL MariaDB, com uma configuração mínima.

Nota

As versões anteriores do Debian incluíam o pacote servidor de base de dados MySQL. A versão atual disponibiliza também o MariaDB. Muito provavelmente, as futuras versões do Debian apenas oferecerão o MariaDB.

Instalação

root@server:~# apt install mariadb-server mariadb-client

Nota

Contrariamente às versões anteriores, a instalação do pacote mariadb-server não pede uma password para o utilizador root, dado que as ligações a partir do localhost são agora consideradas seguras.

Configuração

Após a instalação é conveniente garantir a segurança da instalação MariaDB com o comando mysql_secure_installation. Este programa permite, entre outras coisas, alterar password da conta root do MariaDB, desligar alguns acessos externos e apagar as bases de dados de testes.

root@server:~# mysql_secure_installation

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MariaDB to secure it, we`ll need the current
password for the root user.  If you`ve just installed MariaDB, and
you haven`t set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):
OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

Set root password? [Y/n] n
 ... skipping.

By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB 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? [Y/n]
 ... 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? [Y/n]
 ... Success!

By default, MariaDB 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? [Y/n]
 - 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? [Y/n]
 ... Success!

Cleaning up...

All done!  If you`ve completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!
root@server:~#

Verificação

A partir deste momento será possível aceder ao monitor do MariaDB:

root@server:~# mysql
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 664224
Server version: 10.1.23-MariaDB-9+deb9u1 Debian 9.0

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
+--------------------+
3 rows in set (0.00 sec)

MariaDB [(none)]> quit;
Bye

root@server:~#

Referências

pt/stretch/intranet/database/mysql_mariadb.txt · Esta página foi modificada pela última vez em: 2017-12-10 18:30 (Edição externa)