[Vserver] localhost problems revisited

2006-06-13 Thread Mike Schneider

Hello,

I'm at my last try to port an OpenExchange server, setup
with SLES9 and the commercial Version of OX, to a VServer.

I've gotten so far that everything seems to work, apart from
the admin interface, which is written in java. Which makes
debugging hard.

I've narrowed the problem down to the 127.0.0.1 interface
If I map lo into the vserver (ip,mask,bcast,nodev), the admin
interface will let me in.

If I just redirect localhost to the guest's first ip in /etc/hosts,
I get no cigar and no login, just 'inavlid credentials'

I'm running
Linux 2.6.16.16-vs2.0.2-rc20-smp
Ea 0.30.210 273/glibc

Anyone have any hints on setting this up secutrely?

Kind regards,
Mike Schneider
--
--
Dipl. Inform. Mike Schneider
IT Systems Management Associate
IT-Systems Management Division
Fraunhofer IPSI
Dolivostrasse 15, 64293 Darmstadt, Germany
Phone: +49 6151 869-845, Fax: +49 6151 869-819
E-mail: [EMAIL PROTECTED]
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Re: [Vserver] LinuxTag 2006

2006-05-10 Thread Mike Schneider

Matt Ayres wrote:

Mike Schneider wrote:

as most of you will know, we had a booth a Linuxtag 2006 which
took place in Wiesbaden from May 3rd to 6th. Kudos go to DerJohn who
organized the whole thing.

At the booth we had some servers running VServer in a 19'' rack and
a multi-seat workstation which had the individual seats running inside
it's own VServer each.


I'm glad to hear things went over well.  How was the response to Linux 
VServer versus the other virtualisation technologies out there?  This 
seems to be the first large demonstration of this project to the general 
public and I am curious (as I'm sure some others are too).


A question that was asked a lot was
'what is the difference to [Xen|UML|VMware|...]'
I need not answer this question on this list. We were able to
distinguish ourselves and got a lot of people interested enough
to say they'll try it out.

A point that we could almost always drive home is that VServer
distiguishes itself from other solutions in being so simplicistic
and always on top of new kernel development that it can easily be
combined with other applications:
 - combination with drbd to gain failover
 - combination with multi-seat technology to gain hardened multi-seat
   servers


Also, this web interface... any details?  Website?


Sorry, can't say none about that. I met the guy who's writing it
and I hope he'll read this and come forward.

Regards,
Mike Schneider
--
--
Dipl. Inform. Mike Schneider
IT Systems Management Associate
IT-Systems Management Division
Fraunhofer IPSI
Dolivostrasse 15, 64293 Darmstadt, Germany
Phone: +49 6151 869-845, Fax: +49 6151 869-819
E-mail: [EMAIL PROTECTED]
http://www.ipsi.fraunhofer.de/~mikeschneider
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[Vserver] LinuxTag 2006

2006-05-08 Thread Mike Schneider

Hi everyone,

as most of you will know, we had a booth a Linuxtag 2006 which
took place in Wiesbaden from May 3rd to 6th. Kudos go to DerJohn who
organized the whole thing.

At the booth we had some servers running VServer in a 19'' rack and
a multi-seat workstation which had the individual seats running inside
it's own VServer each.

Bertl arrived late on Thursday and held a talk on Friday. It was
supposed to be a hands-on workshop, but too few people remembered
to bring their laptops with them. So Bertl shared his wide and deep
knowledge and many people listened interestedly for three hours.

At the booth, we had to personally answer questions to anyone who
wondered what 'Linux-VServer' might be, as we yet have to develop
nice pictures to hang inside such a booth that will explain what
this does. Nonetheless, we had lots of opportunity to demonstrate
VServer in it's simplicity and potency and many people seemed ti
be genuinely interested to try it out.

The aforementioned multi-seat workstation was devised by Zeng. It had
three graphics adaptors (or was it four?) and as many keyboards, mice
and speakers. The displays were connected to a graphics adater each, the
KMS were connected via USB. It was easily possible to work on all three
seats, even gaming was fun at these machines. But the best thing was to
demonstrate what VServer will do for a multi-seat: do a kill -9 -1 in
root-context and you only kill the seat you got root for.

This setup was the piece of attraction at our booth, even Mark
Shuttleworth called it 'amazing technology'. Zeng said he is determined
to follow this through. Next time, he'll need his own booth for the
Linux VDesktop Project :)

Another new thing we could show was a web-management application that
a friend of Ben_ wrote for VServer. The thing is able to manage multiple
host servers and their respective guest servers. A lot of suit and
tie-types specifically asked for management interfaces and it would be
a good thing to see this prototype come to a release.

Through social networks (i.e. someone knew someone who ...), we had
Mark Shuttleworth visit our booth. Luckily, Zeng had set up his
multiseat with Ubuntu and Kubuntu. Mr. Shuttleworth seemed deeply impressed.

All in all we had a very good time and we hopefully able to attract many
new users to VServer.

Kudos go to:
DerJohn for organizing the whole thing.
Zeng for his zany demonstration object 'VServer Multiseat'
The author of the web-interface for the demo prototype.
All of those who manned or wisited the booth:
Bertl, morrigan, cehteh, Gonzo, Loki|muh, cemil, BenBen, Doener,
Hollow, dschingen, _are_, zeng, Milf
All of those who bough trays of Jolt cola: Gonzo, _are_, Sven, Milf
Gonzo for providing webcam services :)


So much for this show. But as most germans will know: 'After the
game is before the game', we should also look at things which can
be done better next time.

We were able to improvise little cards to hand out with the wiki's
URL, but some fact sheets with information might have been better.

Bertl provided some banners made from A4-paper (which in turn, cehteh
and Milf puzzled together). But before we had those, our booth looked
pale.

_are_ provided his own slides to explain the combination of drbd and
VServer, but apart from that, we had no cool pictures to show, so we
had to explain everything in words.

So to hopefully do better next time, here are some wiki topics:
http://linux-vserver.org/linuxtag2006 - please add your thoughts about 
the show
http://linux-vserver.org/Dates+and+Planning - please add any dates 
concerning VServer that you might know: talks, releases, tradeshows ...
http://linux-vserver.org/Work+Retreat - we might want to get together 
and do some work and socialize. Linuxtag was great for socializing,

but it just wasn't really possible to do any work.
http://linux-vserver.org/VisualAids - We need pictures!


Ok, I droned on too long, I thank you for reading this far.

Mike
--
--
Dipl. Inform. Mike Schneider
IT Systems Management Associate
IT-Systems Management Division
Fraunhofer IPSI
Dolivostrasse 15, 64293 Darmstadt, Germany
Phone: +49 6151 869-845, Fax: +49 6151 869-819
E-mail: [EMAIL PROTECTED]
http://www.ipsi.fraunhofer.de/~mikeschneider
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