The different between Ubuntu Desktop, Alternate CD and server CD

Newbies of Ubuntu/Kubuntu/Edubuntu will be confused by the name of her official released CDs – Desktop Live CD, Alternate CD and Server CD. Why she makes these different CDs?
Desktop Live CD
Live CD allows user to boot it from CD-ROM and experience the power of Linux. Live CD is a complete operating system that [...]

HOWTO : Convert existing ext3 to ext4

According to the current issue (issue #22, Page 26 “Letters”) Full Circle Magazine at http://www.fullcirclemagazine.org, we can convert the existing ext3 to ext4 by the following command. However, I did not try it yet until the release of Ubuntu 9.04.
tune2fs -O extents,uninit_bg,dir_index /dev/DEV
ext4 is running fast and stable under Ubuntu 9.04 Alpha. [...]

Canonical’s Landscape service for Ubuntu server and desktop

The slogan at https://landscape.canonical.com states “Landscape makes the management and monitoring of Ubuntu systems simple and effective by combining world-class support with easy to use online management tools.”
You will have 60 days of free trial of Landscape upon registered to the Canonical’s Landscape website. However, you should wait for more than one week to [...]