Ubuntu Kickstart

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How to Kickstart a Ubuntu Installation …

edit dhcpd.conf

host ubuntu {
  hardware ethernet 4E:E5:80:xx:xx:xx;
  fixed-address x.x.x.x;
  filename "ubuntu/pxelinux.0";
  next-server x.x.x.200;
}

restart dhcpd

prepare env on tftp server (x.x.x.200)

mkdir -p /tftpboot/ubuntu/
cd /tftpboot/ubuntu/
ftp http://archive.ubuntu.com/ubuntu/dists/bionic-updates/main/installer-amd64/current/images/netboot/netboot.tar.gz
tar xfz netboot.tar.gz

kickstart cfg

put the following file in a webroot available from the client machine

cat <<'EOF' > /var/www/htdocs/ks.cfg
#Generated by Kickstart Configurator
#platform=AMD64 or Intel EM64T

#System language
lang en_US
#Language modules to install
langsupport en_US
#System keyboard
keyboard ch
#System mouse
mouse
#System timezone
timezone Europe/Zurich
#Root password (here 123456)
rootpw --iscrypted $1$r6te7M.4$C55eKRGO2xdodwc3tBe48/
#Initial user
user --disabled
#Reboot after installation
reboot
#Use text mode install
text
#Install OS instead of upgrade
install
#Use Web installation
url --url http://mirror.init7.net/ubuntu/
#System bootloader configuration
bootloader --location=mbr
#Clear the Master Boot Record
zerombr yes
#Partition clearing information
clearpart --all --initlabel
#Disk partitioning information
part swap --size 1024
part /boot --fstype ext4 --size 512
part / --fstype ext4 --size 1 --grow
#System authorization infomation
auth  --useshadow  --enablemd5
#Network information
network --bootproto=dhcp --device=eth0
#Firewall configuration
firewall --disabled
#Do not configure the X Window System
skipx
EOF

start and install client

  • pxe boot client
  • on the install screen, press tab and add ‘ks=http://x.x.x.x/ks.cfg’
  • Enter and wait until done
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