Installing Java on Ubuntu Linux
Edit /etc/apt/sources.list and add in the following lines (if they are not present already)
$ vi /etc/apt/sources.list
deb http://ca.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse deb-src http://ca.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
Sometimes, these lines may be commented out in which case you need to uncomment these two lines. Then save the file. (more...)
