Ideal Absolutes

You just installed Ubuntu Linux from CD or DVD only to realize that Dapper is the version that you want. How to upgrade to Dapper?

Applications > Accessories > Terminal

*now type:

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

*note the space between the original file and the second one with the .bak ending.

Next we place an updated listing of our sources.

sudo gedit /etc/apt/sources.list

*note the space between gedit and /etc/apt/sources.list

*select all text and delete

*paste the below text from START until FINISH

## ———————— START

## All officially supported packages, including security- and other updates
deb http://archive.ubuntu.com/ubuntu dapper main restricted
deb http://security.ubuntu.com/ubuntu dapper-security main restricted
deb http://archive.ubuntu.com/ubuntu dapper-updates main restricted

## The source packages (only needed to recompile existing packages)
#deb-src http://archive.ubuntu.com/ubuntu dapper main restricted
#deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted
#deb-src http://archive.ubuntu.com/ubuntu dapper-updates main restricted

## All community supported packages, including security- and other updates
deb http://archive.ubuntu.com/ubuntu dapper universe multiverse
deb http://security.ubuntu.com/ubuntu dapper-security universe multiverse
deb http://archive.ubuntu.com/ubuntu dapper-updates universe multiverse

## The source packages (only needed to recompile existing packages)
#deb-src http://archive.ubuntu.com/ubuntu dapper universe multiverse
#deb-src http://security.ubuntu.com/ubuntu dapper-security universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu dapper-updates universe multiverse

## ———————— FINISH

*click the save button

*close gedit (File > Quit)

*this will drop you back to the terminal window

*now type:

sudo apt-get update && sudo apt-get dist-upgrade

*Lots of software packages will scroll by and end with a question that looks like this:

Need to get 477MB of archives.
After unpacking 314MB of additional disk space will be used.
Do you want to continue [Y/n]?

*You will hit “y” to represent Yes or just hit the “enter” key.