Create a ideal vhost for drupal via shell script. Customize for your site / var web directory.

vhost.sh

#!/usr/bin/env bash
tmpfile=/tmp/vhostfile
vhost=/etc/apache2/sites-available/$1
echo "creating $vhost for directory /var/sites/$2"

echo "<VirtualHost *:80>" > $tmpfile
echo "  DocumentRoot /var/sites/$2" >> $tmpfile
echo "  ServerName $1" >> $tmpfile
echo "  RewriteEngine On"  >> $tmpfile
echo "  RewriteOptions inherit"  >> $tmpfile
echo "  CustomLog /var/log/apache2/$1.log combined"  >> $tmpfile
echo "</VirtualHost>"  >> $tmpfile
cp $tmpfile $vhost

a2ensite $1
service apache2 reload