Ubuntu 12.04 Iso Updated Download -

sha256sum ubuntu-12.04.5-desktop-amd64.iso grep "ubuntu-12.04.5-desktop-amd64.iso" SHA256SUMS A successful verification shows matching hash strings. Example fragment from SHA256SUMS :

wget http://old-releases.ubuntu.com/releases/12.04.5/MD5SUMS wget http://old-releases.ubuntu.com/releases/12.04.5/SHA256SUMS For MD5 (legacy, but provided): ubuntu 12.04 iso download

md5sum ubuntu-12.04.5-desktop-amd64.iso diff MD5SUMS <(echo "$(md5sum ubuntu-12.04.5-desktop-amd64.iso)") sha256sum ubuntu-12