mysql -u root -p

sudo apt-get remove -y mysql-*
sudo apt-get purge -y mysql-*

sudo apt-get install mysql-server

mysqld --init-file=/home/me/mysql-init &

UPDATE mysql.user SET Password=PASSWORD('pass') WHERE User='root';
FLUSH PRIVILEGES;

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

sudo dpkg-reconfigure mysql-server-5.7

sudo mysqld_safe --skip-grant-tables --skip-networking &
mysql -u root
UPDATE user SET authentication_string=PASSWORD('newpass') WHERE user='root';
FLUSH PRIVILEGES;

sudo mysql