How to reset MySQL / phpmyadmin root password on Ubuntu 18.04 Linux

1. The simplest approach to reset MySQL database root password is to execute mysql_secure_installation program and when prompted entering your new root MySQL password:

sudo mysql_secure_installation

New password:
Re-enter new password:

2. Let's stop the currently running MySQL database:

sudo service mysql stop

3. create a /var/run/mysqld directory to be used by MySQL process to store and access socket file:

sudo mkdir -p /var/run/mysqld
sudo chown mysql:mysql /var/run/mysqld 

4. Start manually MySQL with the following linux commands :

sudo /usr/sbin/mysqld --skip-grant-tables --skip-networking &

5. Confirm that the process is running as expected: 

jobs

6. Access MySQL database without password 

mysql -u root

7. First flush privileges MySQL session

mysql> FLUSH PRIVILEGES;

8. The following commands will reset MySQL root password to "root" 

mysql> USE mysql;
mysql> UPDATE user SET authentication_string=PASSWORD("root") WHERE User='root';
mysql> UPDATE user SET plugin="mysql_native_password" WHERE User='root';

9. Exit MySQL session: 

mysql> exit

10. Terminate current mysqld process 

sudo pkill mysqld

11. Start MYSQL database:

sudo service mysql start

12. If all went well you should now be able to login to your MySQL database with a root password: 

mysql -u root --password=root
mysql> exit

How do I delete/reset unpushed commits on Git / Bitbucket

Delete the most recent commit, keeping the work you've done:

git reset --soft HEAD~1

Delete the most recent commit, destroying the work you've done:

git reset --hard HEAD~1