Romanowski, John (OFT)" <[EMAIL PROTECTED]>
> Subject: How to signal a Linux guest from z/VM?
> From z/VM I'd like to "signal" a SLES 9 guest somehow and have the
guest
> respond by running a shell script (CP SIGNAL SHUTDOWN is not what I
want
> to do).
> I
Thomas Kern wrote:
That's why I like using something internal to the zSeries for zSeries
communications and automation. The source of the data can be trusted to not be
spoofed so you can authenticate that against a table of authorized users and be
safe. With the VMCF protocal (SMSG is just a comm
On 9/7/06, Thomas Kern <[EMAIL PROTECTED]> wrote:
Is hcp/vmcp anymore sensitive in a class G (or less) linux service virtual
machine than 'shutdown -h now'? Does anyone really let untrusted users have
root access in production service virtual machines?
If the question is whether someone with r
Thomas Kern wrote:
Is hcp/vmcp anymore sensitive in a class G (or less) linux service virtual
machine than 'shutdown -h now'? Does anyone really let untrusted users have
root access in production service virtual machines?
Untrusted users may still issue cp commands, if the admin of the guest
mac
I was talking about the source of the SMSG that has arrived at my Linux
service virtual machine. Sources like OPERATOR, MAINT, VMUTIL, not the
anonymous userids (HACKER1, HACKER2, HACKER3) that are on the less properly
administrated systems. Inside the Linux service virtual machine, there are
also
On Wednesday, 09/06/2006 at 10:26 MST, Thomas Kern <[EMAIL PROTECTED]>
wrote:
> That's why I like using something internal to the zSeries for zSeries
> communications and automation. The source of the data can be trusted to
not be
> spoofed so you can authenticate that against a table of authorized
That's why I like using something internal to the zSeries for zSeries
communications and automation. The source of the data can be trusted to not be
spoofed so you can authenticate that against a table of authorized users and be
safe. With the VMCF protocal (SMSG is just a commandline SENDX, right?
Dave Jones wrote:
As Dr. Boyes suggests, using the open source IUCV driver is a very good
way of solving this type of problem. You can find it here:
http://www.sinenomine.net/vm/fsiucv
Another approach that might be applicable here is to have a simple
client, running on the Linux guest, and list
On Sep 6, 2006, at 7:20 AM, Romanowski, John (OFT) wrote:
Thank you for your suggestion.
Our VM TCPIP isn't reachable from the Linux network; can't use TCPIP
from my z/VM to connect to a linux guest.
Then just use IUCV to send/recieve messages and skip the TCP/IP step
entirely.
Adam
Rich Smrcina wrote:
Is that why tape devices aren't enabled when they are attached?
Yes.
--
Carsten Otte has stopped smoking: Ich habe in 3 Monate, 1 Woche und 6
Tage schon 504,10 Euro gespart anstatt 2.100,42 Zigaretten zu kaufen
Is that why tape devices aren't enabled when they are attached?
Christian Borntraeger wrote:
On Wednesday 06 September 2006 16:16, Romanowski, John (OFT) wrote:
But if hotplug gets triggered when I attach a dasd why is it only some dasd
addresses get automatically enabled and appear as /dev/das
al Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Christian
Borntraeger
Sent: Wednesday, September 06, 2006 10:42 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to signal a Linux guest from z/VM?
On Wednesday 06 September 2006 16:16, Romanowski, John (OFT) wrote:
> B
On Wednesday, 09/06/2006 at 04:02 ZE2, Rob van der Heij
<[EMAIL PROTECTED]> wrote:
> > Although it is not the nicest way of signalling, yes you could abuse
hotplug
> > or udev to trigger an action (e.g. by defining a virtual ctc device
and
> > intercepting this with hotplug or udev).
>
> Eeks! That
On Wednesday 06 September 2006 16:16, Romanowski, John (OFT) wrote:
> But if hotplug gets triggered when I attach a dasd why is it only some dasd
> addresses get automatically enabled and appear as /dev/dasd? after I attach
> one while Linux is running? Is the hotplug action limited to only the das
> I don't know enough C to write the driver.
You don't need to. We already did (and it's general purpose for all CP
message types).
http://www.sinenomine.net/vm/fsiucv
Have fun.
-- db
--
For LINUX-390 subscribe / signoff / arc
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-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Christian
Borntraeger
Sent: Wednesday, September 06, 2006 10:19 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to signal a Linux guest f
-mail from your system.
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Dave Jones
Sent: Wednesday, September 06, 2006 10:11 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to signal a Linux guest from z/VM?
As Dr. Boyes suggests, using the open source I
On Wednesday 06 September 2006 16:02, Rob van der Heij wrote:
> Eeks! That's ugly... Another reason to become more familiar with udev ;-)
Welcome to the "Dark Side of the Force". ;-)
Actually current udev versions are really powerful and flexible. The only
problem is that the version, flexibil
rom your system.
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Christian
Borntraeger
Sent: Wednesday, September 06, 2006 9:57 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to signal a Linux guest from z/VM?
On Wednesday 06 September 2006 15:33, Romano
ginal Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Romanowski, John (OFT)
Sent: Wednesday, September 06, 2006 9:16 AM
To: LINUX-390@VM.MARIST.EDU
Subject: How to signal a Linux guest from z/VM?
From z/VM I'd like to "signal" a SLES 9 guest somehow
On 9/6/06, Christian Borntraeger <[EMAIL PROTECTED]> wrote:
Hotplug (or udev) gets triggered when you define/attach/detach a device.
Although it is not the nicest way of signalling, yes you could abuse hotplug
or udev to trigger an action (e.g. by defining a virtual ctc device and
intercepting
On Wednesday 06 September 2006 15:33, Romanowski, John (OFT) wrote:
> I was thinking I could use the hotplug system but I don't think hotplug
> gets triggered when I attach/define a device to the guest.
Hotplug (or udev) gets triggered when you define/attach/detach a device.
Although it is not th
> Subject: How to signal a Linux guest from z/VM?
>
> >From z/VM I'd like to "signal" a SLES 9 guest somehow and have the
guest
> respond by running a shell script (CP SIGNAL SHUTDOWN is not what I
want
> to do).
> I don't want to use SECUSER and CP SEND,
02 -0400
> From: "Romanowski, John (OFT)" <[EMAIL PROTECTED]>
> Subject: How to signal a Linux guest from z/VM?
> From z/VM I'd like to "signal" a SLES 9 guest somehow and have the guest
> respond by running a shell script (CP SIGNAL SHUTDOWN
: Wednesday, September 06, 2006 9:16 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to signal a Linux guest from z/VM?
> Does Linux have a facility to process external interrupts sent via
the
> CP EXTERNAL command?
I think Neale did that code back then before z/VM got the support for
si
On 9/6/06, Romanowski, John (OFT) <[EMAIL PROTECTED]> wrote:
I don't want to use SECUSER and CP SEND, my Linux console isn't at a
shell prompt, it's at the Login: prompt.
You could change inittab and make sure there is a running shell at the
console.. And I suppose you don't want to use rexec
>From z/VM I'd like to "signal" a SLES 9 guest somehow and have the guest
respond by running a shell script (CP SIGNAL SHUTDOWN is not what I want
to do).
I don't want to use SECUSER and CP SEND, my Linux console isn't at a
shell prompt, it's at the Login: prompt.
Does Linux have a facility to pr
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