MySQL 8 is the latest version available for the installation. MySQL is the most popular database server for Linux systems, it also supports a large number of platforms. This tutorial will help you to Install MySQL Server 8.0 Community Edition on CentOS/RHEL 7/6 LInux using the package manager.
Step 1 – Setup Yum Repository
First, you need to enable MySQL yum repository in your system provided by MySQL. Execute one of the below commands as per your operating system version.
### On CentOS/RHEL 7 system ### rpm -Uvh https://repo.mysql.com/mysql80-community-release-el7-3.noarch.rpm ### On CentOS/RHEL 6 system ### rpm -Uvh https://repo.mysql.com/mysql80-community-release-el6-3.noarch.rpm
Step 2 – Install MySQL Community Server
The MySQL yum repository contains multiple repositories configuration for multiple MySQL versions. So first disable all repositories in mysql repo file.
sed -i 's/enabled=1/enabled=0/' /etc/yum.repos.d/mysql-community.repo
Then execute one of the followings commands as per your operating system to install MySQL.
yum --enablerepo=mysql80-community install mysql-community-server ## CentOS & RedHat dnf --enablerepo=mysql80-community install mysql-community-server ## Fedora Systems
Step 3 – Start MySQL Service
Start the MySQL server using the following command from the Linux terminal.
service mysqld start
systemctl start mysqld.service
Step 4 – Find default root Password
With the installation of MySQL 8.0, a temporary password is created for the MySQL root user. You can find the temporary password generated in log files.
grep "A temporary password" /var/log/mysqld.log
[Note] [MY-010454] [Server] A temporary password is generated for [email protected]: VWa>Bo9xFUrs
Step 5 – MySQL Post Install Setup
After installing MySQL first time, execute
mysql_secure_installation command to secure MySQL server. It will prompt for few question’s, we recommended to say yes ( y ) for each.
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: Change the password for root ? ((Press y|Y for Yes, any other key for No) : n Remove anonymous users? (Press y|Y for Yes, any other key for No) : y Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
Step 6 – Restart and Enable MySQL Service
The MySQL installation has been successfully completed. Now restart the service and set up autostart on system bootup.
### Using SysVinit service mysqld restart chkconfig mysqld on ### Using Systemd systemctl restart mysqld.service systemctl enable mysqld.service
Step 7 – Working with MySQL
Now connect mysql database server Linux shell using below command. It will prompt for the password for authentication. On successful login, you will get the MySQL command prompt, where we can execute SQL queries.
mysql -h localhost -u root -p
After login, You can use the following commands to create a new database, create a user and assign privileges to the user on the database. Change values as per your requirements.
### CREATE DATABASE
mysql> CREATE DATABASE mydb;
### CREATE USER ACCOUNT
mysql> CREATE USER 'dbuser'@'192.168.10.101' IDENTIFIED BY 'secret';
### GRANT PERMISSIONS ON DATABASE
mysql> GRANT ALL ON mydb.* TO 'dbuser'@'192.168.10.101';
### RELOAD PRIVILEGES
mysql> FLUSH PRIVILEGES;