SQLSTATE[HY000] [1698] Access denied for user ‘root’@’localhost’. Tried everything

Method 1:

$sudo mysql -u root
[mysql] use mysql;
[mysql] update user set plugin='' where User='root';
[mysql] flush privileges;
[mysql] \q

If Still not get Work Try this:

/etc/init.d/mysql stop
mysqld_safe --skip-grant-tables &
mysql -u root
mysql> use mysql;
mysql> update user set password=PASSWORD(”YOUR_PASSWORD”) where user=’root’;
mysql> flush privileges;
mysql> quit
/etc/init.d/mysql stop
/etc/init.d/mysql start

If Still not Get work Try this

sudo mkdir /var/run/mysqld; sudo chown mysql /var/run/mysqld
mysqld_safe --init-file=/home/me/mysql-init &
sudo mysqld_safe --skip-grant-tables &
sudo mysql -u root
mysql> use mysql;
mysql> update user set authentication_string=password('1234') where user='root';
mysql> update user set plugin="mysql_native_password";
FLUSH PRIVILEGES;

https://stackoverflow.com/questions/36864206/sqlstatehy000-1698-access-denied-for-user-rootlocalhost-tried-everythi

https://stackoverflow.com/questions/36864206/sqlstatehy000-1698-access-denied-for-user-rootlocalhost

https://askubuntu.com/questions/878652/unable-to-reset-mysql-root-password-tried-everthing