The updates include a new kernel and replaces sreadahead with superfast ureadahead. To install these updates, follow these simple steps:
- Open the "Software Sources" under System->Administration.
- Select the “Other Software” tab.
- Click the “Add…” button in the lower left-hand
- Type “ppa:ubuntu-boot” and hit the “Add Source”
- Allow the system to refresh the sources
- Run “Update Manager” under System->Administration
See also corresponding project on Launchpad.