How can I install mysql without errors?

Question

This installation of MySQL has been upgraded to 5.7.40, if you still need to run mysql_upgrade, please use --force dpkg: Error while processing package mysql-server-5.7 (--configure): After the mysql-server-5.7 package is installed, the script subprocess returns an error exit status of 1 An error was encountered while processing: mysql-server-5.7 E: Child process /usr/bin/dpkg returns error code (1)

What should I do here?

I tried these commands but I still get the error:

sudo apt-get clean sudo apt-get clear mysql* sudo apt-get update sudo apt-get install -f sudo apt-get install mysql-server-5.7 sudo apt-get dist-upgrade

Answer 1

Try something like this. This helped me:

sudo service mysql stop
sudo apt-get --purge remove mysql*
sudo rm -rf /etc/mysql/ 
Then I reinstalled it:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install mariadb-server


sudo service mysql start
sudo mysql -u root -p
secret


sudo mysql -u root -p
GRANT ALL PRIVILEGES on *.* to 'root'@'localhost' IDENTIFIED BY '';
FLUSH PRIVILEGES;