Show Active Web VHosts on Linux

List all active apache web vhosts on Ubuntu/Debian Linux / Liste alle aktiven Apache Web VHosts auf einem Ubuntu/Linux Server auf:

ls /etc/apache2/sites-enabled | sed 's,\s,\n,g' | sed 's,^,/etc/apache2/sites-enabled/,g' | xargs cat | grep -v "#" | grep ServerName | sed 's,ServerName,,g' | sed 's,\s,,g'