Re: [Xen-devel] vnc=1 / pvgrub / close fb: backend at /local/domain/0/backend/vfb/xx/0

[Steven Haigh <netwiz@xxxxxxxxx>]

On 22/10/2014 9:31 PM, Ian Campbell wrote:
> On Wed, 2014-10-22 at 21:10 +1100, Steven Haigh wrote:
>> It seems like thats the case sadly. We have always pushed people towards
>> pv-grub for that extra bit of security - but a world of documentation
>> ignores the existence of pv-grub. As such, I doubt most people have even
>> stumbled across pv-grub.
> 
> I have an outstanding TODO to write a blog post about pvgrub2 and how to
> use it, this stuff really does need to get better propagated.

I would love to see this :)

>> I remember talk of pygrub being phased out - but I don't recall to what
>> extent or what timeframe that is.
> 
> That's not the case, both pygrub and pvgrub[12] have their uses (that's
> not to say we wouldn't suggest people think very hard about using pygrub
> in their environment)

It seems right now, anyone that uses VNC needs to use pygrub. Not
exactly ideal - as I'd love to be pygrub free as well :)

>>>> I've no idea for #1 though.
>>>
>>> I wonder too.
>>>
>>>> Oh, is this with pvgrub 1 (the thing which ships with Xen) or pvgrub 2
>>>> (from the upstream grub project fairly recently)? Your logs hint towards
>>>> the former.
>>>
>>> Yes, the logs definitely look like mini-os, thus pvgrub 1.
>>
>> Yes, this is the Xen shipped pv-grub. I haven't found any mention of
>> pvgrub 2 before - any links for that? I assume it can just be built and
>> called from within the DomU config?
> 
> I think it's mostly ./configure --with-platform=xen, followed by the
> usual grub2 install steps.
> 
> http://lists.gnu.org/archive/html/grub-devel/2013-11/msg00085.html has
> an outline.

Interesting.

> Debian has a grub-xen-bin package in Jessie now but IIRC you are an RPM
> kinda guy.

Yeah - I'll have to get some time to look over building this for an
individual package - with the big thing of making sure it doesn't
interfere with any installed system components. I do all my work on EL6
- so if anyone happens to have a starting point I can import, it would
be appreciated ;)

-- 
Steven Haigh

Email: netwiz@xxxxxxxxx
Web: http://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299

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