Ubuntu 18.04 Bionic Beaver LTS

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

ReleaseNotes
https://wiki.ubuntu.com/BionicBeaver/ReleaseNotes

Repository

echo "deb http://de.archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse" > /etc/apt/sources.list.d/bionic-updates.list
echo "deb http://archive.ubuntu.com/ubuntu/ bionic-proposed restricted main multiverse universe" > /etc/apt/sources.list.d/proposed-updates.list
apt-get install netplan.io/bionic-proposed

Download
http://releases.ubuntu.com/18.04/
32 bit Netboot CD
64 bit Netboot CD

Workaround

# install HWE kernel
apt install -y linux-image-generic-hwe-18.04-edge
 
# Enable swap (on ZFS)
echo /dev/zvol/tank/swap none swap defaults 0 0 >> /etc/fstab
swapon  -a
 
# rc.local replacement
crontab -e
@reboot /root/bin/script.sh
 
# Install pdftk
wget http://mirrors.edge.kernel.org/ubuntu/pool/main/g/gcc-defaults/libgcj-common_4.9.3-9ubuntu1_all.deb -P /tmp
wget http://security.ubuntu.com/ubuntu/pool/main/g/gcc-5/gcc-5-base_5.4.0-6ubuntu1~16.04.10_amd64.deb -P /tmp
wget http://security.ubuntu.com/ubuntu/pool/main/g/gcc-5/libgcj16_5.4.0-6ubuntu1~16.04.10_amd64.deb -P /tmp
wget http://mirrors.edge.kernel.org/ubuntu/pool/universe/p/pdftk/pdftk_2.02-4_amd64.deb -P /tmp
cd /tmp/
dpkg -i pdftk_2.02-4_amd64.deb libgcj16_5.4.0-6ubuntu1_16.04.10_amd64.deb  gcc-5-base_5.4.0-6ubuntu1_16.04.10_amd64.deb  libgcj-common_4.9.3-9ubuntu1_all.deb