How do I know when a reboot is required?

[Keith G. Robertson-Turner]

On Tue, 13 Jan 2004 14:18:51 +0000, Keith G. Robertson-Turner wrote:

> On Mon, 12 Jan 2004 23:44:16 +0000, Rui Miguel Seabra wrote:
> 
>> On Mon, 2004-01-12 at 23:36, Don wrote:
>>> With MS Windows, it seems a reboot is required after nearly every
>>> software update.
> 
>> In principle, the only update for which a reboot is needed is Linux
>> (since it is the most common kernel of the GNU system), but even this
>> may change in the future.
> 
> That would be good, it would certainly massively cut downtime on servers.
> 
> The only way I can think of implementing this would be to perform a kind
> of quick suspend/resume, where the "resume" remaps to a new running
> kernel, but surely all services and current tasks would need to be
> restarted too.

Of course another way would be to run the kernel in User-mode, but I'm not
sure how useful that would be for non-development implementations ...
particularly servers.

-
K.