sudo apt-get install mysql-server-5.6 mysql-client-5.6
mysql -u root -p
Then input your password press Enter
use mysql;
update user set password=PASSWORD("your_password") where User='root';
flush privileges;
sudo apt-get install mysql-server-5.6 mysql-client-5.6
mysql -u root -p
Then input your password press Enter
use mysql;
update user set password=PASSWORD("your_password") where User='root';
flush privileges;