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Installing MySQL (Linux Ubuntu)

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Installing MySQL (Linux Ubuntu)
« on: August 23, 2015, 02:39:32 PM »
The easiest way to install the MySQL server is through the Ubuntu package manager:
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sudo apt-get install mysql-server- or -
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sudo aptitude update
sudo aptitude install mysql-server

[Note] If you have iptables enabled and want to connect to MySQL from another machine you'll need to open a port in your server's firewall (the default port is 3306). You don't need to do this if the application using MySQL is running on the same machine.
Code: [Select]
-I INPUT -p tcp --dport 3306 -m state --state NEW,ESTABLISHED -j ACCEPT
-I OUTPUT -p tcp --sport 3306 -m state --state ESTABLISHED -j ACCEPT


Start/Restart/Stop MySQL
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sudo service mysql start
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sudo service mysql restart
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sudo service mysql stop

The MySQL shell
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/usr/bin/mysql -u root -p
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mysql>

Setting the root password
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UPDATE mysql.user SET Password = PASSWORD('password') WHERE User = 'root';
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FLUSH PRIVILEGES;

Find out If MySQL Is Running On Linux Or Not
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# mysqladmin -u root -p status

How To Secure MySQL
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sudo mysql_secure_installationNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL
SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!

In order to log into MySQL to secure it, we'll need the current
password for the root user. If you've just installed MySQL, 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 MySQL
root user without the proper authorisation.

Set root password? [Y/n] Y
New password:
Re-enter new password:
Password updated successfully!
Reloading privilege tables..
... Success!


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? [Y/n] 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? [Y/n] 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? [Y/n] 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? [Y/n] Y
... Success!

Cleaning up...

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

Thanks for using MySQL!




To remove mysql completely from your system Just type in terminal
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sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean


MySQLTuner - Performance Tunning MySQL on Linux
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sudo apt-get install mysqltuner
Run MySQLTuner
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mysqltuner





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Ref: http://www.rackspace.com/knowledge_center/article/installing-mysql-server-on-ubuntu
« Last Edit: August 23, 2015, 04:31:12 PM by hubsinfo »

 


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