install mysql on ubuntu

1. Use following command to install mysql server.
       sudo apt-get install mysql-server.
   During installation process, it prompts for password.

2. After installation, mysql server runs automatically. To check whether mysql server is running or not, Use the following command.
sudo netstat -tap | grep mysql

root@hk-Inspiron-N5010:~# sudo netstat -tap | grep mysql
tcp        0      0 localhost:mysql         *:*                     LISTEN      8258/mysqld  

3. If the server is not running correctly, you can type the following command to start it:
sudo service mysql restart

Note: Configuration file for mysql server is located in "/etc/mysql/my.cnf".