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Michael Carmody | 1 Mar 2004 03:53

X equivalent of screen, X11 forwarding over SSH, and somehow involving win2k server on vmware...

Given the myriad of servers around melbourne I admin, I have come to love the 
command line utility "Screen" which allows me to start and background comman 
dline sessions via an SSH terminal. Simply loging start screen, begin long 
compile job, push screen to back logout. Come back severeal hours later, use 
screen -r to resume and finish off the install.

Now I've done X11 forwarding over ssh, but now that I'm having to use vmware 
on one of my servers to run win2k server (blasted group policy objects...). 
Obviously vmware-win2k will be running constantly on the linux box. Now I can 
start a vmware session and tunnel the display over ssh to my laptop, but this 
requries me to start the vmware instance from my laptop.

Want I want to do is to take over an exisiting X session, one in which vmware 
has already been started, and then control the session and hence the vmware 
instance of win2k.

I have an inkling it would have something to do with EXPORT'ing the display 
after ssh'ing in, but all of the docs I've googled for so far are on just 
getting X11 forwarding up, not "hijacking" an existing session. (except for 
one on how to get screen grabs and cause popup messages and apps to start on 
a victim X session).

Anyone got a starting point of has done this before ?
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Michael Still | 1 Mar 2004 03:55
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Re: Wireless network cards

On Sat, 28 Feb 2004, scott aitken wrote:

> This wireless card has a broadcom chipset. There are no native linux
> drivers for this chipset. A company has somehow got it going using
> windows drivers. Much like wine.

(I don't know anything about this card, but I thought I would speak to the 
Windows broadcom issue).

My new laptop is a centrino, and consequently has a Intel Pro mini-PCI 
wireless card, which is currently similarly encumbered as the broadcom 
chips [1]. I've been using ndiswrapper (from SourceForge) to use the 
wireless stuff, and it's quite nice.

The process was fairly simple. Download the ndiswrapper stuff, and the 
relevant NDIS driver for the card. Then run the install.sh script from 
ndiswrapper to build a kernel module. It all just worked after that.

The ndiswrapper page mentions supporting broadcoms, but I don't know it 
that will work for a PCMCIA card. If you want a well supported PCMCIA 
card, get a dlink or a orinoco.

Cheers,
Mikal

1: Intel has finally announced they'll be fixing this soon.

--

-- 

Michael Still (mikal <at> stillhq.com) | "All my life I've had one dream,
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Brendon Oliver | 1 Mar 2004 04:22

Re: Wireless network cards

On Mon, 1 Mar 2004 01:55 pm, Michael Still wrote:

> If you want a well supported PCMCIA card, get a dlink or a orinoco.

FWIW, not all dlink cards have the same chipset (eg. DWL-AG650).  There appear 
to be several which are Atheros based, in which case you will need the 
madwifi driver.  See:

http://sourceforge.net/projects/madwifi/ 

and the Madwifi FAQ:

http://www.mattfoster.clara.co.uk/madwifi-faq.htm for details.

When I was digging around for info on drivers for DLink cards a month or so 
ago, I also found that some newer DLink cards are now Broadcom-based (eg. 
650+), which will put you back in ndiswrapper land for now...

Cheers,

- Brendon.
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Tim Connors | 1 Mar 2004 05:13
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Re: X equivalent of screen, X11 forwarding over SSH, and somehow involving win2k server on vmware...

On Mon, 1 Mar 2004, Michael Carmody wrote:

> I have an inkling it would have something to do with EXPORT'ing the display
> after ssh'ing in, but all of the docs I've googled for so far are on just
> getting X11 forwarding up, not "hijacking" an existing session. (except for
> one on how to get screen grabs and cause popup messages and apps to start on
> a victim X session).
>
> Anyone got a starting point of has done this before ?

Try xmove.

It's a X-proxy. Kind of unweildy for casual use (If I think I'll have even
the remotest need for it, I have to set the DISPLAY before starting an
app, and it must go through the proxy for everything, slowing it down
greatly. You can't start an app, and *then* tell it to go through the
proxy), but perhaps it would suit your usage?

--

-- 
TimC -- http://astronomy.swin.edu.au/staff/tconnors/
We would be called technicians, not researchers, if we knew
what we were doing
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Dave Sheludko | 1 Mar 2004 08:10
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openoffice very slow to start

Hey All,

I'm having problems with openoffice starting very slowly since I installed
a dsl connection on the box a few days ago. It's running mandrake 9.0
(yeah I know, I should run debian, but it's my Dad's machine) and all was
good until the day after the dsl connection went in.

I'm not certain that the two events are even slightly related, but figured
I'd provide background just in case.

The problem is that OO starts up OK, but takes about 10 minutes to do so
(rather frustrating).

What I'm wondering is if there is such a thing as an OpenOffige log file,
or is it possible to set a config file somewhere which will create one so
that I can find out what's going on?

Thanks in advance,

Dave.
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Robert Davidson | 1 Mar 2004 10:08

Re: openoffice very slow to start

Dave Sheludko wrote:
> 
> The problem is that OO starts up OK, but takes about 10 minutes to do so
> (rather frustrating).

Thats normal ;)

/me mutters something about a bloated piece of crap...

Cya's

--

-- 
Regards,
Robert Davidson.
http://www.mlug.org.au/
IRC: puttputt, AustNet, #mlug
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Andrew J | 1 Mar 2004 11:06
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Re: Wireless network cards

If your after a wireless PCCARD then have a look at the AVAYA wireless
nic, about $80 at HT.COM.AU.

Works fine under linux etc
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Tim Connors | 1 Mar 2004 11:37
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Re: openoffice very slow to start

On Mon, 1 Mar 2004, Dave Sheludko wrote:

> Hey All,
>
> I'm having problems with openoffice starting very slowly since I installed
> a dsl connection on the box a few days ago. It's running mandrake 9.0
> (yeah I know, I should run debian, but it's my Dad's machine) and all was
> good until the day after the dsl connection went in.
>
> I'm not certain that the two events are even slightly related, but figured
> I'd provide background just in case.
>
> The problem is that OO starts up OK, but takes about 10 minutes to do so
> (rather frustrating).

Probably timing out on something related to DNS. Did you change anything
there (quite likely)?

I also found out that there is a proxy setting in OO (stupid thing ignores
$http_proxy - just like other stupid software that we shall hypothetically
call "mozilla"), that must be set before any .doc file that hrefs to an
image file. Perhaps load it up, change the proxy settings as appropriate,
and try again?

> What I'm wondering is if there is such a thing as an OpenOffige log file,
> or is it possible to set a config file somewhere which will create one so
> that I can find out what's going on?

I doubt it. OO is so stupid that you can't even disable that crap splash
screen (that completely ignores the window manager, and sits on top of
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euan_b_uk | 1 Mar 2004 11:52
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Re: X equivalent of screen, X11 forwarding over SSH, and somehow involving win2k server on vmware...

>>>>> "Michael" == Michael Carmody <mlug <at> mikensuz.com> writes:

    Michael> Given the myriad of servers around melbourne I admin, I
    Michael> have come to love the command line utility "Screen" which
    Michael> allows me to start and background comman dline sessions via
    Michael> an SSH terminal. Simply loging start screen, begin long
    Michael> compile job, push screen to back logout. Come back severeal
    Michael> hours later, use screen -r to resume and finish off the
    Michael> install.

Gotta love it don't you?  Had one screen instance up for four months
once.  Now I'm back on a static IP might just set it up again :-)

    Michael> Want I want to do is to take over an exisiting X session,
    Michael> one in which vmware has already been started, and then
    Michael> control the session and hence the vmware instance of win2k.

How about TightVNC? Stateful and lighter than X over the wire.

--

-- 
Cheers
Euan
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Steve van der Merwe | 1 Mar 2004 14:53
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Re: X equivalent of screen, X11 forwarding over SSH, and somehow involving win2k server on vmware...


Hi 

Have a look at x0rfbserver and x0rfbviewer - It allows you to take over an
existing X 

Cheers
Steve
-----Original Message-----
From: Michael Carmody <mlug <at> mikensuz.com>
To: mlug <at> mlug.org.au
Date: Mon, 1 Mar 2004 13:53:22 +1100
Subject: [MLUG] X equivalent of screen, X11 forwarding over SSH, and
somehow involving win2k server on vmware...

> Given the myriad of servers around melbourne I admin, I have come to
> love the 
> command line utility "Screen" which allows me to start and background
> comman 
> dline sessions via an SSH terminal. Simply loging start screen, begin
> long 
> compile job, push screen to back logout. Come back severeal hours
> later, use 
> screen -r to resume and finish off the install.
> 
> Now I've done X11 forwarding over ssh, but now that I'm having to use
> vmware 
> on one of my servers to run win2k server (blasted group policy
> objects...). 
> Obviously vmware-win2k will be running constantly on the linux box. Now
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