Adminer is in the repos, so install it with:
apt install adminerCopy the configuration to your available configs folder and enable it.
cp /etc/adminer/apache.conf /etc/apache2/conf-available/adminer.confAdminer is in the repos, so install it with:
apt install adminerCopy the configuration to your available configs folder and enable it.
cp /etc/adminer/apache.conf /etc/apache2/conf-available/adminer.conf