http://www.osresources.com/3_18_en.html
wget -O - 'http://www.ubuntu.com/products/GetUbuntu/download?action=show&redirect=download' | \
egrep -o '(http|ftp)://[^"]+ubuntu-6.10-desktop-i386.iso' | \
sed -e 's/^/ % /;s/ubuntu-6.10-desktop-i386.iso//' %gt; mirror.lst
metalink --somedigests ubuntu-6.10-desktop-i386.iso < mirror.lst > ubuntu-6.10-desktop-i386.iso.metalink
metalink --somedigests --headerfile head.txt --desc 'Ubuntu Linux 6.10 Desktop Live CD for i386 arch' \
ubuntu-6.10-desktop-i386.iso < mirror.lst > ubuntu-6.10-desktop-i386.iso.metalink