Follow the given steps to solve the issue. The commands here are for CentOS 8. The solution is same for other OS as well so modify the commands accordingly.
Step 1: After the installation of MYSQL is finished, enable and start mysqld as given below:
sudo systemctl start mysqld
sudo systemctl enable mysqld
Once, done also check the status of the mysqld to verify whether it is running or not:
sudo systemctl status mysqld
Step 2: Find the temporary password and copy it using the following command:
sudo grep 'temporary password' /var/log/mysqld.log
You will see something like this:
A temporary password is generated for root@localhost: ;ND0#VvB0*Mt
Copy the temporary password.
Step 3: Type the following command:
mysql -u root -p
Step 4: When prompted to enter password, just paste the copied temporary password and yes you are done with your task.
Step 5: Then you can change the password for root using the command:
sudo mysql_secure_installation
