How to install mysql server 5.7 on Ubuntu 16.04 LTS ( Xenial Xerus )

To install MySQL Server 5.7 on an Ubuntu 16.04 LTS (Xenial Xerus) system, you can follow these steps:

1. Update your system's package repositories by running the following command:

sudo apt-get update

2. Install the MySQL Server package and the necessary dependencies by running the following command:

sudo apt-get install mysql-server

3. During the installation process, you will be prompted to set a password for the MySQL root user. Make sure to choose a strong and secure password.

4. Once the installation is complete, start the MySQL service by running the following command:

sudo service mysql start

5. You can then log in to the MySQL server by running the following command:

mysql -u root -p

Enter the password that you set for the MySQL root user when prompted. This will open the MySQL command-line interface, which you can use to create and manage databases and users.

You can find more information about installing and using MySQL Server on Ubuntu systems in the MySQL documentation or by searching online.

Note: If you want to install a different version of MySQL Server, you may need to add the MySQL repository to your system and install the MySQL Server package from there. You can find more information about this in the MySQL documentation.