Cluster der kan alt/PXE and Kickstart

PXE

Install tftp server

apt-get install tftpd-hpa

Netinstaller

Download and install pxelinux to tftp root:

cd /var/lib/tftpboot/
wget http://archive.ubuntu.com/ubuntu/dists/precise/main/installer-amd64/current/images/netboot/netboot.tar.gz
tar -xvzf netboot.tar.gz

Set the kickstartfile as default, and the timer to 5 sec

Enter the txt.cfg file

sudo nano /var/lib/tftpboot/ubuntu-installer/amd64/boot-screens/txt.cfg

Rename the "default install" line to "default unattended" so the the unattended kickstart file will be executed by default

Insert the "label unattended" section in the bottom ofthe file

label unattended
        menu label Install ^Unattended
        kernel ubuntu-installer/amd64/linux
        append vga=788 initrd=ubuntu-installer/amd64/initrd.gz ks=http://10.0.0.1/kickstart/ks.cfg

Change the timeout value to 50 in the default file.

sudo nano /var/lib/tftpboot/pxelinux.cfg/default

Kickstart

Install the http server lighttpd

sudo apt-get install lighttpd

Install the system-config-kickstart editor

sudo apt-get install system-config-kickstart

Putty Opsætning

Install Xming on your windows PC. Download Xming here

Use the ks.cfg below as a guideline for your own kickstart

System-config-kickstart

Run this commando in your terminal to start the kickstart manage program

system-config-kickstart

Use the graphic user interface make the kickstart fil

The ks.cfg file location

/var/www/ks.cfg

Kickstart fil

#Generated by Kickstart Configurator
#platform=x86

#System language
lang da_DK
#Language modules to install
langsupport da_DK
#System keyboard
keyboard dk
#System mouse
mouse
#System timezone
timezone Europe/Copenhagen
#Root password
rootpw --iscrypted $1$AkUb1qdI$vMYeX3C37RX0pRjBppX7W.
#Initial user
user cluster --fullname "cluster admin" --iscrypted --password $1$9Za4QvWX$AXgp$
#Reboot after installation
reboot
#Use text mode install
text
#Install OS instead of upgrade
install
#Use Web installation
url --url http://mirror.tekkom.dk/ubuntu/
#System bootloader configuration
bootloader --location=mbr
#Clear the Master Boot Record
zerombr yes
#Partition clearing information
clearpart --all --initlabel
#Disk partitioning information
part / --fstype ext4 --size 1024
part /boot --fstype ext4 --size 512
part /home --fstype ext4 --size 1024
part /var --fstype ext4 --size 3072
part /tmp --fstype ext4 --size 3072
part /usr --fstype ext4 --size 5120
part swap --size 1024
#System authorization infomation
auth  --useshadow  --enablemd5  --enablenis --nisdomain dka.local --nisserver 1$
#Network information
network --bootproto=dhcp --device=eth0
#Firewall configuration
firewall --disabled
#Do not configure the X Window System
skipx
#Package install information
%packages
openssh-server
nmap
ssh
screen
bmon
iperf
bonnie++
lmbench
lm-sensors
snmpd
snmp
build-essential
gcc
openssh-client
nfs-common
mpich2
dsh
portmap
nis
%pre
#!/bin/bash
echo "Pre-installation"
%post --nochroot
echo "portmap : 10.0.0.1" >> /target/etc/hosts.allow
echo "ypserver 10.0.0.1" >> /target/etc/yp.conf
perl -pi -w -e 's/\/home/\/home.old/g;' /target/etc/fstab
mkdir /target/mnt/tmp
echo "10.0.0.1:/home /home nfs rw,bg,hard,intr 0 0" >> /target/etc/fstab
echo "10.0.0.1:/script /mnt/tmp/ nfs rw,bg,hard,intr 0 0" >> /target/etc/fstab
/target/etc/init.d/nis restart

Sådan ser vores gældende Kickstart fil ud