IPKG DSM
Check processor type
cat /proc/cpuinfo | grep model
Download bootstrap script
cd /tmp
wget http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/syno-i686-bootstrap_1.2-7_i686.xsh
sudo chmod +x syno-i686-bootstrap_1.2-7_i686.xsh
sudo sh syno-i686-bootstrap_1.2-7_i686.xsh
sudo ipkg update
rm syno-i686-bootstrap_1.2-7_i686.xsh