[Netkit.users] Issues with latest kernel : too old for filesystem's packages updates

[Joao Codagnoni]

Last year I had the same problem, needed to install some packages but the
distro was to old for that. I've downloaded a kernel from
http://uml.devloop.org.uk/kernels.html (version 3), it worked fine for
the purpose I was using it.

Devloop also have some stock filesystem for a variety of distros.


On Thu, Jun 13, 2013 at 3:03 PM, Florian LOYAU <loyauflorian at gmail.com>wrote:

> Hi there !
>
> Recently, a few people recommended Netkit to me to help learn Linux
> networking and I started messing around with it.
> Since we are several here to wish to learn and experiment, I eventually
> thought about creating a collaborative set of labs to use on a central
> machine for more interactivity.
> However the version of Quagga included in Netkit's filesystem seems to be
> very old and lacks several features I'd have liked to use (eg. AS4) :(
>
> The website' FAQ clearly explains how to upgrade the existing Debian
> install or install new packages. However, the associated Netkit Kernel now
> seems to be too old...
> Since it is running off what seems to be a Debian Unstable snapshot from
> 2010, any newer package install post package update pulls in the newest
> glibc version 2.17.
> Since glibc 2.17, there is a minimum requirement for the Linux Kernel
> version of 2.6.16, according to their own changelog [
> http://sourceware.org/ml/libc-announce/2012/msg00001.html ] -- which
> should be fine with Netkit's 2.6.22.
> However when attempting to update a running UML Machine, Debian complains
> about requiring a kernel newer than 2.6.32 and refuses to upgrade.
> Indeed, attempting to upgrade from a chroot environement (bypassing the
> kernel check since it matchs against the host' version) results in an
> unbootable filesystem (fails at init startup)...
>
> As such I'd like to ask the following questions :
>  - Are there any plans to update the provided kernel, or do anyone know
> where I can find a third-party one ?
>  - Will Netkit run if building a newer kernel without the provided netkit
> patches ?
>  - If yes, to what extent could features be lost by the removal of those
> patches ? Will just any UML kernel run ?
>  - Last but not least, while only Debian is officially supported, is
> building a new filesystem from scratch from a different distro likely to
> succeed ?
>
> Thanks in advance ;)
>
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