Running your mainframe on linux (for fun and profit)

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Yes, this talk is about running your own mainframe on your own hardware. Mainframes are old, yes, but they are still very much alive. New hardware is still being developed and there are a lot of fresh jobs in this area too. A lot of mainframes run COBOL workloads. COBOL is far from a dead language. It processes an estimated 85% of all business transactions, and 5 billion lines of new COBOL code are written every year. In this session the speaker will help you in take your first steps towards running your own mainframe. If you like then after this session you can continue to build your knowledge of mainframe systems using the links provided during the talk. Come on in and learn the basics of a completely different computer system! And it will take you less than an hour to do that!

Technology

Working your ownWorking your own
mainframe on Linux (formainframe on Linux (for
fun and profit)fun and profit)

Who am I?
●
Jeroen Baten
●
Lifetime innovator
●
Job title : IT Solutionist

What is a mainframe?
https://www.ibm.com/support/knowledgecenter/zosbasics/com.ibm.zos.zmainframe/zconc_mfhwdesign.htm
Mainframe=
Massive
hardware
parallelisation

What is “Hercules”
●
A IBM Mainframe emulator for:
●
System/370
●
ESA/390
●
64-bit z/Architecture.
●
Hercules runs under Linux, Windows,
Solaris, FreeBSD, and Mac OS X

What does it do?
●
Run software (duh!)
●
Many OS in public domain available
●
If you have a license and the hardware:
OS/390, z/OS, VSE/ESA, z/VSE, VM/ESA, z/VM,
TPF/ESA, z/TPF
●
Otherwise: OS/360, DOS/360, DOS/VS, MVS,
VM/370, TSS/370, Linux :-)

What not to do….
●
Google “hercules project”
●
www.hercules-390.org
– “Last updated $Date: 2010-03-09”
●
Follow site to:
●
http://www.ibiblio.org/jmaynard/
●
Easy start: Volker's MVS 3.8J turnkey system version 3
●
Jay Maynard, at jmaynard@conmicro.cx
●
Lights are on but nobody’s home!

What to do!
●
Main site: http://www.hercules-390.eu
●
Main list: hercules-390@yahoogroups.com
●
Easy start: MVS 3.8j Tur(n)key 4- System
●
http://wotho.ethz.ch/tk4-/
●
Download: http://wotho.ethz.ch/tk4-/tk4-_v1.00_current.zip
●
Start learning:
https://www.youtube.com/user/moshe5760/videos
●
Moshix has 25 YouTube video howtos

What you need
●
PC with Linux (or Windows, I know)
●
Or Raspberry Pi
●
3270 terminal emulator (tn3270)
●
Hercules software
●
Some Operating System distribution

Very small mainframe
https://www.suhendro.com/2016/10/look-ma-my-5-pi-zero-thinks-it-is-a-mainframe/

Lingo to understand
●
DASD: Direct Attached Storage Device
(harddisk)
●
TSO:Time Sharing Option (multi-user)
●
JES2: Job Entry System (job queue)
●
CICS: front-end to transaction software
●
Datasets: created assigned space for stuf
●
Catalog: system list of available stuf

Questions for me?: jeroen@jeroenbaten.nl

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Presented by: Elizabeth Joseph, IBM Presented at All Things Open 2020 Abstract: Many enterprises and, as many of us learned during the COVID-19 outbreak, governments, rely on mainframes to do the bulk of their data-driven work and the modern mainframe is very good at what it does. But what if you’re looking to modernize your platform and bring in the DevOps methodologies, tooling, and practice into your organization? Today, there is an entire product line of mainframes that exclusively run Linux (RHEL, SLES, or Ubuntu). With Linux, you get access to the vast ecosystem of open source software that’s already been ported to the mainframe architecture (s390x), with more being ported every month. If your organization is using z/OS, the Open Mainframe Project has a series of open source projects targeted specifically at the mainframe and improving usability. Zowe, for instance, helps create a consolidated API for accessing resources and workload on your system and Feilong is a z/VM connector that allows you to manage your virtual machines with familiar open source tooling like OpenStack. There are even connectors for Jenkins that allow you to integrate CI/CD pipelines with your workloads. In this talk I’ll explore all of this in more to show you how an automated, modern environment can thrive on today’s mainframe.

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Running your mainframe on linux (for fun and profit)

1. Working your ownWorking your own mainframe on Linux (formainframe on Linux (for fun and profit)fun and profit)

2. Who am I? ● Jeroen Baten ● Lifetime innovator ● Job title : IT Solutionist

3. Who am I ? (in pics)

4. What is a mainframe? https://www.ibm.com/support/knowledgecenter/zosbasics/com.ibm.zos.zmainframe/zconc_mfhwdesign.htm Mainframe= Massive hardware parallelisation

5. What is “Hercules” ● A IBM Mainframe emulator for: ● System/370 ● ESA/390 ● 64-bit z/Architecture. ● Hercules runs under Linux, Windows, Solaris, FreeBSD, and Mac OS X

6. How does it look?

7. What does it do? ● Run software (duh!) ● Many OS in public domain available ● If you have a license and the hardware: OS/390, z/OS, VSE/ESA, z/VSE, VM/ESA, z/VM, TPF/ESA, z/TPF ● Otherwise: OS/360, DOS/360, DOS/VS, MVS, VM/370, TSS/370, Linux :-)

8. What not to do…. ● Google “hercules project” ● www.hercules-390.org – “Last updated $Date: 2010-03-09” ● Follow site to: ● http://www.ibiblio.org/jmaynard/ ● Easy start: Volker's MVS 3.8J turnkey system version 3 ● Jay Maynard, at jmaynard@conmicro.cx ● Lights are on but nobody’s home!

9. What to do! ● Main site: http://www.hercules-390.eu ● Main list: hercules-390@yahoogroups.com ● Easy start: MVS 3.8j Tur(n)key 4- System ● http://wotho.ethz.ch/tk4-/ ● Download: http://wotho.ethz.ch/tk4-/tk4-_v1.00_current.zip ● Start learning: https://www.youtube.com/user/moshe5760/videos ● Moshix has 25 YouTube video howtos

10. What you need ● PC with Linux (or Windows, I know) ● Or Raspberry Pi ● 3270 terminal emulator (tn3270) ● Hercules software ● Some Operating System distribution

11. Very small mainframe https://www.suhendro.com/2016/10/look-ma-my-5-pi-zero-thinks-it-is-a-mainframe/

12. Lingo to understand ● DASD: Direct Attached Storage Device (harddisk) ● TSO:Time Sharing Option (multi-user) ● JES2: Job Entry System (job queue) ● CICS: front-end to transaction software ● Datasets: created assigned space for stuf ● Catalog: system list of available stuf

13. What you will see (logon)

14. What you will see (menu)

15. Demo time!

16. Questions for me?: jeroen@jeroenbaten.nl

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