What’s new in Linux kernel 3.8?

http://kernelnewbies.org/Linux_3.8

Updates:

http://kernelnewbies.org/Linux_3.9

Install Ksplice

“Ksplice is an update service that automatically applies patches to the Linux kernel without requiring a reboot of the computer. This way you can keep your system up to date and secure without losing precious uptime.“

Visit this page for a step by step install guide.

Notes:

You will have to ask an access key in e-mail (free).

For Ubuntu 10.10, you’ll have to add these lines to software sources:

deb http://www.ksplice.com/apt maverick ksplice
deb-src http://www.ksplice.com/apt maverick ksplice