How to Install MySQL Server on CentOS / RHEL / FEDORA
MySQL Community Edition is a freely downloadable version of the world’s most popular open source database that is supported by an active community of open source developers and enthusiasts. MySQL is a popular choice of database for use in web applications, and is a central component of the widely used LAMP open source web application software stack.
By Default Port # 3306
Step 1: Prerequisite
# yum install wget
Download the rpm package, which will create a yum repo file for MySQL Server installation.
# wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
Now install the downloaded rpm package by using rpm command.
# rpm -ivh mysql-community-release-el7-5.noarch.rpm
Step 2: MySQL Server Installation
Execute the yum command in order to download mysql-server:
# yum install mysql-server
Step 3: Restart MySQL Server
To start MySQL Service, run command
# systemctl start mysqld
Step 4: MySQL Server Secure Installation
In order to reset the root password and make the mysql-server secure execute the following command and follow the steps:
# mysql_secure_installation NOTE: 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): [Press Enter] 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] 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? [Y/n] Y - Dropping test database... ERROR 1008 (HY000) at line 1: Can't drop database 'test'; database doesn't exist ... Failed! Not critical, keep moving... - 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!
Step 5: Create database in MySQL
To create a new database in MySQL, following are the steps we have to follow:
# mysql -u root -p mysql> CREATE DATABASE test; mysql> CREATE USER 'testuser'@'localhost' IDENTIFIED BY 'new-password'; mysql> GRANT ALL ON test.* TO testuser@localhost IDENTIFIED BY 'new-password'; mysql> FLUSH PRIVILEGES; mysql> quit
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