Wednesday, March 16, 2011

How to create Ubuntu Live CD using Remastersys

Remastersys is a helpful tool for creating a Live CD. You can create custom distribution including your favorite applications for distribution among your friends and professional community.

Installation of Remastersys in Ubuntu 10.04

Download and install the Remastersys deb file from following location.
Download Link

Execute the following commands in Terminal,

sudo su

apt-get install ubiquity-frontend-gtk

rm /var/lib/ubiquity/os-prober-cache

sudo gedit /usr/bin/remastersys

comment out the following row (line number 242)

rm -rf $WORKDIR/dummysys/etc/gdm/custom.conf 


You can find it from Places > Administration > Remastersys

Building your Live CD/DVD
Install / remove applications for your Live CD/DVD project.

You can make use Ailrus tool for removing unnecessary files deposited in system.
Download Link



Select the Clean Up option from Ailurus tool bar.


Click on the buttons to clean up,

  • Nautilus Thumbnail images
  • APT Cache
  • Auto removable packages
  • Unused software configurations
  • Unused Linux kernels
It will remove unwanted files from your system and it will reduce the Live CD size.

Creating an ISO image
Start Remastersys from Places > Administration



Remastersys Options

Backup- to make a livecd/dvd backup of your system.
Dist- to make a livecd/dvd backup and call the iso custom.iso
Clean- to remove files of earlier work

Remastersys start to build .iso file, when you click on Backup/Dist option.
While the livecd/dvd is being created, you should not open any other apps or windows. The location of your .iso can be find in /home/remastersys/remastersys

Before write the ISO image in a CD/DVD you can test in a virtual machine application like Virtualbox or VMware.

Read about Virtualbox installation in Ubuntu here.

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