If you encountered "Not enough free disk space" error while trying to upgrade to Ubuntu 12.04, just follow the suggestions in the warning message box. You can free space on /boot by removing unused linux-kernel. Go to synaptic manager and search then remove previous linux-kernel installed.

Ubuntu 12.04 LTS (Precise Pangolin) was released last April 26, 2012. I'm now upgrading from Ubuntu 11.10 (Oneric Ocelet).

I finally decided to upgrade my Linux machine to Ubuntu 11.10 Natty Narwhal.

After upgrading to Ubuntu 11.04, I received this Package Problem Error Message: Sorry, the package initramsfs-tools failed to install or upgrade. You can help the developers to fix the package by reporting the problem.

1. go to the directory of the compressed file
   
    
2. extract the compressed file
   
    
3. change user account to root
   

Welcome screen when you boot on Ubuntu Linux Bootable Installation CD

Preparing to Install Ubuntu Linux

Allocating Drive Space

I successfully installed Ubuntu 10.04 Lucid Lynx in my schoolmate's netbook--acer aspire one.

The outline of my slide presentations for this upcoming Software Freedom Day 2010 @ VSU are now ready.

1. Ubuntu Linux

•     Advantage of Linux
•     Introduction to Ubuntu
•     Getting Started
•     FAQ - Ubuntu at First Time
•     Useful Applications bundled in Ubuntu 10.04 (Lucid Lynx)
•     Tools / Applications for CS
•     Installing Application Software
•     Help 

To be able to install Ubuntu Netbook Remix in Virtual Box, you need to convert the .img file to Virtual Box .vdi file. To do so, enter the following command in terminal VBoxManage convertdd ubuntu-10.04-netbook-remix-i386.img ubuntu-10.04-netbook-remix.vdi .

At first, i encountered FATAL: No bootable medium found! System halted. This was solve by the following setting.