Ubuntu 16.04 and MySQL Upgrades…

So, I’ve been having this issue with upgrading MySQL 5.7 on a Ubuntu 16.04 server. It kept erroring out. Even uninstalling MySQL and reinstalling it did not help. Until I found this post by iqbal_cs:

root@iqbal: mysql -u root -p
Enter password:
mysql> GRANT ALL PRIVILEGES ON *.* TO 'debian-sys-maint'@'localhost' IDENTIFIED BY '<your password>';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

If the error(1819) is raised, type this on the mysql terminal

mysql> uninstall plugin validate_password;

Then restart mysql: systemctl restart mysql


apt install -f

to fix broken dependencies

If error continues, enter again to mysql terminal, login: type this:

mysql> GRANT ALL PRIVILEGES ON *.* TO 'debian-sys-maint'@'localhost' IDENTIFIED BY '<your password>'

apt -f install for the last time.

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