Re: Ksplice updates for Ubuntu 9.04 Jaunty

[KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>]

> Hello,
> 
> The Ksplice team [1] is now providing rebootless kernel updates for Ubuntu 
> 9.04 Jaunty to anyone who configures their machine to receive them [2].  
> In short, users can click a few buttons and start getting all of the 
> Ubuntu kernel security updates applied to their system without rebooting.  
> No initial kernel changes are needed.

Great.

> 
> [1] http://www.ksplice.com
> [2] http://www.ksplice.com/uptrack
> 
> I first mentioned Ksplice to the LKML in April 2008 [3], and since then 
> we've submitted several rounds of Ksplice patches [4,5,6].  So far we've 
> gotten various improvements related to Ksplice merged into mainline.
> 
> [3] http://lkml.org/lkml/2008/4/23/330
> [4] http://lkml.org/lkml/2008/9/13/6
> [5] http://lkml.org/lkml/2008/11/21/484
> [6] http://lkml.org/lkml/2008/12/5/330
> 
> Ksplice applies traditional source code patches to unmodified Linux 
> kernels.  It can be used to apply all of the Linux security patches over 
> multiple years [7], and it can also apply reliability patches and other 
> bug fixes, such as from the Linux stable tree.

Afaik, Solaris and some other Unix like OS have similar rebootless
security update mechanism.

Yes, I like linux has such feature too.


> 
> [7] http://www.ksplice.com/paper
> 
> - Jeff