Ubuntu 14.04 LTS (Trusty Tahr)

Enable root ssh login
sed -i 's|PermitRootLogin without-password|PermitRootLogin yes|g' /etc/ssh/sshd_config
echo "root:t00r" | chpasswd
service ssh restart

Repository
# Ubuntu Trusty updates repository
cat < /etc/apt/sources.list.d/trusty-updates.list
deb http://de.archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse
deb-src http://de.archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse
EOF

apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 3B4FE6ACC0B21F32 40976EAF437D05B5
apt-get update

Schedule
https://wiki.ubuntu.com/TrustyTahr/ReleaseSchedule

Download
http://releases.ubuntu.com/14.04/
releases
32 bit Netboot CD
64 bit Netboot CD