Re: GUI development tools

2007-11-28 Thread Evans, Kevin R
Hi John,

Didn't mean to imply that we would be doing development on the Z box, we
won't. Currently, we run XML code development under Eclipse on the PC
and then port the code up to the Z.

Kevin

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
John Summerfield
Sent: Saturday, November 17, 2007 1:39 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: GUI development tools

Evans, Kevin R wrote:
 I would like some feedback on development tools, let me describe the
 environment first



 Our existing CICS system uses what we call dot delimited messages.
 These all arrive over point to point encrypted communications lines
into
 what we call CORs (kinda sorta like TORs but without terminals). The
COR
 code either does some routing or passes the messages to the AORs. The
 AORs process the message and send the result to the COR who then send
it
 back to the original requester.



 The XML system runs under zVM as a Linux guest (software here is
written
 in C) which we refer to as an XOR (XML owning region). Its job is to
 translate the inbound XML message back to dot-delimited format and
 push the message into the COR. The existing system runs as normal
 (message into the AOR and get the response etc). The COR then sends
the
 response to the XOR who translates the dot delimited response back
to
 XML and sends the response to the originating end user.



 The GUI software I am talking about developing is to control the Linux
 guest where we have configuration files written in XML that we want to
 change from the outside world while the guest software is running. We
 also log all messages in and out and want to write some GUI software
to
 search these logs etc. The custom GUI software can then be used for
 those searches/configuration changes etc.

I'm not sure I'm keen on developing/running GUI software actually on
your very expensive Zed.

An idea I like is to run the GUI on one system (eg your Intellish
desktop/laptop) and the commands on the server (Zed in this case)..

This kind of implementation would be well-suited to developing on the
peecee, you would only need to compile on the Zed for final testing.

The final choice as to where to run the actual GUI need not be made
until implementation, and would be easily changed when you find running
GUIs on the Zed's not that good an idea.

Apple (OS X xserv) has a fairy sold set of commandline tools that can
set and interrogate settings. While they can be used from the standard
shell, I suspect their purpose is to separate the GUI from the
configuration so the GUI can be run on one machine (my laptop) and the
commands on the server, I don't know what communications protocol it
uses, but shell commands piped through ssh would do.

If you use qt libraries, then you have the option of also building the
GUI part for Windows.


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John

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New Whitepaper on webApp.secure Sizing and Capacity Planning available

2007-11-28 Thread Dorothea Matthaeus
webApp.secure Sizing and Capacity Planning  

More details are available at 
http://www-128.ibm.com/developerworks/linux/linux390/perf/tuning_pap_security_webApp.html


WebScurity's webApp.secure? protects Web application servers from Internet 
attacks. This utility of the IBM System z Linux Utility Services is a 
strategic direction, protecting Web applications from attacks in addition 
to traditional firewall and perimeter security. This paper determines the 
performance of a webApp.secure environment. It shows that the 
implementation of a DMZ with all its services and servers is a very good 
case for server consolidation on z/VM.


Dorothea Matthaue
Linux on System z Information Development
IBM Deutschland Entwicklung GmbH

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Re: Software licensing cost savings

2007-11-28 Thread Dave Jones

Don't forget Marcy Cortes's work with Linux guests under z/VM at Wells
Fargo.  She gave an excellent presentation at the latest zExpo in San
Antonio back in September on what's happening at Wells Fargo regarding
production Linux deployment and acceptance there. It's not (yet?)
available from the Linux on VM web site, but I can send a copy to anyone
that wants one.

Novel is also hosting an on-demand webcast on SUSE Linux Enterprise
Server for System z, that  might address some actual customer
experiences. You can register for it here:

http://www.novell.com/surveyutil/survey.jsp?id=220sourceid=systemz-n_email

Hope this helps some. Have a good one too.

Mark Post wrote:

On Tue, Nov 27, 2007 at  4:00 PM, in message

[EMAIL PROTECTED],
 Rodriguez, Oscar [EMAIL PROTECTED] wrote: -snip-

Does anyone have some good examples of software licensing cost
savings by moving from distributed servers to Linux on the
mainframe?

I'm giving a presentation on the cost savings and I think this is
something I want to focus on.


It's a good point, but don't forget power and floor space.  I just
had a meeting yesterday with a client who is unable to get any more
power for their data center.  (The utility refuses to sell it to
them.)  So, they're looking at migrating a bunch of midrange boxes to
Linux on System z.

-snip-

From what I've read it seems that some software vendors, like IBM
and possibly Oracle are charging the same amount per engine as they
 are per distributed cpu.


As you say, a number of ISVs are treating Linux on System z as
distributed workload and pricing it per engine.  Almost all of
IBM's middleware products are like that, for example, as well as
Oracle.  The problem with Oracle is that they haven't made a lot of
their applications available so far.  Some of them, but not even a
majority of them (last I checked).


Since we can run several Linux instances on one engine, there are
clearly cost savings there.

Basically do you guys know of any more examples ?


Nationwide Insurance has been very visible at SHARE and System z
Expo, talking about their savings.  First National Bank of Omaha.
Citigroup running DB2 was mentioned in an Information Week article a
whle back.


What vendors / software are people targeting to consolidate on the
mainframe do to the software licensing savings ?


I'm not yet really happy with the page at
http://www.novell.com/partners/ibm/mainframe/success.html but you can
look there to get an idea what people have been doing.


Mark Post

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Re: Software licensing cost savings

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at 11:12 AM, in message
[EMAIL PROTECTED], Dave Jones [EMAIL PROTECTED]
wrote: 
 Don't forget Marcy Cortes's work with Linux guests under z/VM at Wells
 Fargo.  She gave an excellent presentation at the latest zExpo in San
 Antonio back in September on what's happening at Wells Fargo regarding
 production Linux deployment and acceptance there. It's not (yet?)
 available from the Linux on VM web site, but I can send a copy to anyone
 that wants one.

It won't be.  Marcy was only able to get permission to upload it to SHARE with 
the understanding that it would be available to SHARE members only.  So, she 
couldn't give me permission to put it on linuxvm.org.  You might want to check 
with her before emailing it around at all.


Mark Post

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Demo of OpenSolaris running on System z

2007-11-28 Thread Rich Smrcina

This is an interview with David Boyes of Sine Nomine Associates on You
Tube.  It's five parts, and you even see a z/VM system in part 4!  How
often does that happen on You Tube?

David is clearly not having any fun... :)

Part 1: http://youtube.com/watch?v=cH71qP-yDDI
Part 2: http://youtube.com/watch?v=wfv48Gp6odwfeature=user
Part 3: http://youtube.com/watch?v=Ma0XPN2z6Qcfeature=user
Part 4: http://youtube.com/watch?v=mb3lMHLXbdM
Part 5: http://youtube.com/watch?v=Q3ONtai6uIU
--
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VM Assist, Inc.
Phone: 414-491-6001
Ans Service:  360-715-2467
rich.smrcina at vmassist.com
http://www.linkedin.com/in/richsmrcina

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WAVV 2008 - Chattanooga - April 18-22, 2008

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Stupid newbie question re: Installing SP1 to SLES10 on z/890

2007-11-28 Thread Paul Noble
We are in the midst of installing our first production system under SLES10, 
under z/VM on a z/890.

My question is, how do install SP1?

I have a virtual machine that has the repository of all the files necessary to 
install both SLES9 and SLES10. I recently downloaded the iso image of the DVD 
for the SLES10 SP1. I have used this to install additional optional software on 
the target system, but I've never installed a full-blown service pack on Linux.

Is there a simple way to mount the iso image, fire up Yast on the target, tell 
it to do the update and stand back? Or, must I go though each installed option 
in Yast and update each one individually?

Thanks,

Paul Noble, Systems Programmer
Cuyahoga County Information Service Center

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Re: Stupid newbie question re: Installing SP1 to SLES10 on z/890

2007-11-28 Thread John Schnitzler Jr
Paul Noble wrote:
We are in the midst of installing our first production system under
SLES10, under z/VM on a z/890.

My question is, how do install SP1?

I have a virtual machine that has the repository of all the files
necessary to install both SLES9 and SLES10. I recently downloaded the iso
image of the DVD for the SLES10 SP1. I have used this to install additional
optional software on the target system, but I've never installed a
full-blown service pack on Linux.

Is there a simple way to mount the iso image, fire up Yast on the target,
tell it to do the update and stand back? Or, must I go though each
installed option in Yast and update each one individually?

Paul,
   There was some discussion on this list back in July and August of this
year. Take a look at Mark Posts update 7/23/07
http://www.mail-archive.com/linux-390@vm.marist.edu/msg43857.html

John
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Stupid newbie question re: Installing SP1 to SLES10 on z/890

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  2:59 PM, in message
[EMAIL PROTECTED], Paul Noble [EMAIL PROTECTED]
wrote: 
 We are in the midst of installing our first production system under SLES10, 
 under z/VM on a z/890.
 
 My question is, how do install SP1?
 
 I have a virtual machine that has the repository of all the files necessary 
 to install both SLES9 and SLES10. I recently downloaded the iso image of the 
 DVD for the SLES10 SP1. I have used this to install additional optional 
 software on the target system, but I've never installed a full-blown service 
 pack on Linux.
 
 Is there a simple way to mount the iso image, fire up Yast on the target, 
 tell it to do the update and stand back? Or, must I go though each installed 
 option in Yast and update each one individually?

The SLES10 SP1 DVD is a complete installation tree, in and of itself.  Given 
that, probably the easiest way to update your systems is by IPLing them from 
the starter files on the SP1 media, pointing the installer to the SP1 
installation tree, and then doing an update, rather than a fresh install.  If 
you want to do it while the system is up and running, it's much more of a pain 
in the $ANATOMICAL_PART.  If you want to upgrade a SLES9 system to SLES10 or 
SLES10 SP1, you have to do it via IPLing from the SLES10[SP1] starter files.  
You can't do it from a running system.

Which ever way you go, you'll need to rummage through your system afterwards, 
and make sure things are still configured the way you want them.  I've seen 
cases where stuff got changed, and I had to re-do them.  Also, look for 
*.rmpnew files.  Those will be new versions of configuration files that 
didn't get moved into place because you updated the ones on the running system. 
 Also look for *.rpmsave files.  I'm not sure what criteria gets used to 
create those, but they're copies of configuration files that were replaced, but 
saved.


Mark Post

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Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Marcy Cortes
Hey Mark and David(and others).

Does this guy work for upgrading a sles9x (SP3+) server to SLES 10 SP1?
 
Marcy Cortes 

This message may contain confidential and/or privileged information. If
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and delete this message. Thank you for your cooperation.


-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Post
Sent: Wednesday, October 31, 2007 8:18 AM
To: LINUX-390@VM.MARIST.EDU
Subject: [LINUX-390] SUSE Linux Enterprise Server 10 SP1 Starter System
for IBM System z

Cross-posted to IBM-MAIN, IBMVM, and Linux-390

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Re: Stupid newbie question re: Installing SP1 to SLES10 on z/890

2007-11-28 Thread Marcy Cortes

Mark wrote:
Which ever way you go, you'll need to rummage through your system
afterwards, and make sure things are still configured the way you want them.
I've seen cases where stuff got changed, and I had to re-do them.  Also,
look for *.rmpnew files.  Those will be new versions of configuration
files that didn't get moved into place because you updated the ones on the
running system.  Also look for *.rpmsave files.  I'm not sure what
criteria gets used to create those, but they're copies of configuration
files that were replaced, but saved.


There's a nice utility provided by SuSE which lists them out for you.  Use
chkconfig rpmconfigcheck on.  Then it will post a list of these files for
you (on the console) to investigate when the server boots (or go review it
in  /var/adm/rpmconfigcheck later).

You should do this whenever you apply any updates at all.  You'll have not
fun issues if say you've got pam customization and it shoves it off to
.rpmsave and puts its stuff there instead :(.






Marcy Cortes
Team Lead, Enterprise Virtualization - z/VM and z/Linux
Enterprise Hosting Services
w. (415) 243-6343
c. (415) 517-0895
This message may contain confidential and/or privileged information. If you
are not the addressee or authorized to receive this for the addressee, you
must not use, copy, disclose, or take any action based on this message or
any information herein. If you have received this message in error, please
advise the sender immediately by reply e-mail and delete this message. Thank
you for your cooperation.


-Original Message-


Which ever way you go, you'll need to rummage through your system
afterwards, and make sure things are still configured the way you want them.
I've seen cases where stuff got changed, and I had to re-do them.  Also,
look for *.rmpnew files.  Those will be new versions of configuration
files that didn't get moved into place because you updated the ones on the
running system.  Also look for *.rpmsave files.  I'm not sure what
criteria gets used to create those, but they're copies of configuration
files that were replaced, but saved.


Mark Post

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Description: S/MIME cryptographic signature


Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  4:54 PM, in message
[EMAIL PROTECTED], Marcy
Cortes [EMAIL PROTECTED] wrote: 
 Hey Mark and David(and others).
 
 Does this guy work for upgrading a sles9x (SP3+) server to SLES 10 SP1?

Marcy,

Sure, but if you've already got a working network installation server in place, 
it won't really buy you anything.  The whole idea was to get a site's first 
installation server up and running without having to scrounge up space on 
another box (or scrounge up a new box), get firewall rules changed, etc., and 
do it with native z/VM tools.  Since, I imagine, you already have an install 
server set up, all you'll need to do is incorporate the SLES10 SP1 installation 
files into that.


Mark Post

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Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Marcy Cortes
You would think I would have ... but I didn't... having been using
another vendor's product...  Off to vanilla land


Marcy Cortes 

This message may contain confidential and/or privileged information. If
you are not the addressee or authorized to receive this for the
addressee, you must not use, copy, disclose, or take any action based on
this message or any information herein. If you have received this
message in error, please advise the sender immediately by reply e-mail
and delete this message. Thank you for your cooperation.


-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Post
Sent: Wednesday, November 28, 2007 2:20 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: [LINUX-390] SUSE Linux Enterprise Server 10 SP1 Starter
System for IBM System z

 On Wed, Nov 28, 2007 at  4:54 PM, in message
[EMAIL PROTECTED],
Marcy Cortes [EMAIL PROTECTED] wrote: 
 Hey Mark and David(and others).
 
 Does this guy work for upgrading a sles9x (SP3+) server to SLES 10
SP1?

Marcy,

Sure, but if you've already got a working network installation server in
place, it won't really buy you anything.  The whole idea was to get a
site's first installation server up and running without having to
scrounge up space on another box (or scrounge up a new box), get
firewall rules changed, etc., and do it with native z/VM tools.  Since,
I imagine, you already have an install server set up, all you'll need to
do is incorporate the SLES10 SP1 installation files into that.


Mark Post

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Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  5:26 PM, in message
[EMAIL PROTECTED], Marcy
Cortes [EMAIL PROTECTED] wrote: 
 You would think I would have ... but I didn't... having been using
 another vendor's product...  Off to vanilla land

Ah, that's right.  I remember now.  Even so, if you create a stripped down 
SLES10 (or even SLES9) system using your current tool, and use YaST to turn 
itself into an installation server, you still won't need the starter system.


Mark Post

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Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Marcy Cortes
That's true too!  More than one way to pet a cat I guess!
Since I already had someone here try out the starter system, I figured
I'd see what happens if I tried it that way.   

Ah, I feel the freeze in the air --- time to get useful stuff done
without all those pesky applications folks in a panic about their own
stuff :)

Marcy Cortes 
 
This message may contain confidential and/or privileged information. If
you are not the addressee or authorized to receive this for the
addressee, you must not use, copy, disclose, or take any action based on
this message or any information herein. If you have received this
message in error, please advise the sender immediately by reply e-mail
and delete this message. Thank you for your cooperation.


-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Post
Sent: Wednesday, November 28, 2007 2:55 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: [LINUX-390] SUSE Linux Enterprise Server 10 SP1 Starter
System for IBM System z

 On Wed, Nov 28, 2007 at  5:26 PM, in message
[EMAIL PROTECTED],
Marcy Cortes [EMAIL PROTECTED] wrote: 
 You would think I would have ... but I didn't... having been using 
 another vendor's product...  Off to vanilla land

Ah, that's right.  I remember now.  Even so, if you create a stripped
down SLES10 (or even SLES9) system using your current tool, and use YaST
to turn itself into an installation server, you still won't need the
starter system.


Mark Post

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Re: SUSE Linux Enterprise Server 10 SP1 Starter System for IBM System z

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  6:03 PM, in message
[EMAIL PROTECTED], Marcy
Cortes [EMAIL PROTECTED] wrote: 
 That's true too!  More than one way to pet a cat I guess!
 Since I already had someone here try out the starter system, I figured
 I'd see what happens if I tried it that way.   

That's cool too, since you've already downloaded it.  One advantage is that the 
installation server will be starting at SP1, so it won't need too many packages 
updated to get current.  Let me know how it goes.  Just be aware of the one 
thing we know is wrong, which is the sample CP directory entry.  We got some of 
the statements in the wrong order and directxa doesn't like that.


Mark Post

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DeveloperWorks not available?

2007-11-28 Thread Spann, Elizebeth (Betsie)
Hi,
When I try to access
http://www-128.ibm.com/developerworks/linux/linux390/  I get 
The IBM developerWorks Web site is currently under maintenance  
Is this just a bad URL or is it really unavailable?  If unavailable,
anyone have a suggestion as to where I might obtain a tape driver for
the 2.6 kernel?
Can the tape_3590-2.6.13-s390x-october2005.tar  be used on the 2.6
kernel?
Thanks in advance,
Betsie


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Re: Demo of OpenSolaris running on System z

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  3:33 PM, in message [EMAIL PROTECTED], Rich
Smrcina [EMAIL PROTECTED] wrote: 
 It's five parts, and you even see a z/VM system in part 4!  How
 often does that happen on You Tube?

As often as anyone with access to z/VM wants to upload a video?  It's not like 
it's hard or anything.


Mark Post

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Re: DeveloperWorks not available?

2007-11-28 Thread Mark Post
 On Wed, Nov 28, 2007 at  6:30 PM, in message
[EMAIL PROTECTED], Spann,
Elizebeth (Betsie) [EMAIL PROTECTED] wrote: 
 Hi,
 When I try to access
 http://www-128.ibm.com/developerworks/linux/linux390/  I get 
 The IBM developerWorks Web site is currently under maintenance
 Is this just a bad URL or is it really unavailable?

I just clicked on the URL you entered, and I got the page, so it may be working 
now.

  If unavailable,
 anyone have a suggestion as to where I might obtain a tape driver for
 the 2.6 kernel?
 Can the tape_3590-2.6.13-s390x-october2005.tar  be used on the 2.6
 kernel?

There are no special add-ons required for channel attached tape drives any 
more.  They're all part of the official kernel source, hence built in.  Unless 
you're talking about SLES9  and RHEL4, in which case the packages are 
tape_3590-sles9-2.6.5-7.236 and kernel-3590-2.6.9-42.0.10.EL.  Neither Novell 
nor Red Hat ever released a 2.6.13 kernel in one of their enterprise versions.


Mark Post

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Re: GUI development tools

2007-11-28 Thread John Summerfield

Evans, Kevin R wrote:

Hi John,

Didn't mean to imply that we would be doing development on the Z box, we
won't. Currently, we run XML code development under Eclipse on the PC
and then port the code up to the Z.

Kevin


You can, of course, do as you please; I was just concerned that it
should be clear that coding on the Zed's expensive. Even though you
know, Kevin, this list gets archived for others to read later.

I don't know of good alternatives for zOS, zVM etc, but with linux, it's
easy.


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Cheers
John

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