This is how I make a clean install of NOOBS with LAMP
Firstly, I put the 8Gb SD card in the reader. Then I copy and paste the NOOBS from my harddrive, to the SD card.
The the RPi is booting, and resizing the SD card. Whens that's done, I choose the smallest version, without any GUI. While that is downloading, I set up the keyboard and language from the menu at the bottom of the screen.
After a reboot, I log in and start raspi-config, to change the password, set hostname and enable ssh interface.
After yet another reboot, I can log in with ssh.
Now I run this command:
sudo apt-get update && sudo apt-get install -y apache2 mariadb-server phpmyadmin
This updates th APT listings, and installs Apache, mariadb and phpmyadmin.
No privileges in phpMyAdmin?
Credetials: Username: phpmyadmin Password: password entered at installation
If you do not get any privileges, you need to stop the databaseserver, try this:
sudo systemctl stop mariadb
Then you'll need to start it again, but this time, without any privileges:
sudo mysqld_safe --skip-grant-tables --skip-networking &
The ampersamp is for the serverto run in the background.