Questions tagged [mainframe]

Used for what are generally considered large-scale servers from IBM, Unisys, Fujitsu, Hitachi, and Bull.

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100 views

Blue Prism attach Mainframe application

Im applying Mainframe automation in Blue Prism for a process using Micro focus Reflection for Destkop 16 (.NET API). I don't however find the attach action when i use the Navigate stage and place the ...
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120 views

jenkins slave on USS (zOS) Mainframe

Trouble in starting Jenkins slave(agent) on the USS of z/OS. The Jenkins Master is running on a separate Linux(ubuntu) machine and launching the slave via SSH on USS using java at /usr/lpp/java/J8....
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0answers
69 views

GIM69207S SMP/E download fails with java.net.UnknownHostException:

I'm in the process of downloading software to install on my z/OS system. I've not used SMP/E Receive to download previously. The DOWNLOAD step ends with a return code 12: ...
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1answer
231 views

How do I specify an MVS data set name when using lftp?

We have a Linux server that needs to send a file to a z/OS mainframe using FTPS. How do we specify the MVS data set name we want to create? When we try to FTP the file, it always prepends the ...
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1answer
59 views

Is there a way for a USS shell process to easily access MVS symbols such as `&SYSNAME`?

When writing scripts for execution in USS I'd like to be able to access z/OS symbols like &SYSNAME. Ideally, it would be nice to access them as environment variables but if there is a command ...
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3answers
501 views

IZUG846W: An HTTP request for a z/OSMF REST service was received from a remote site

I setup z/OSMF and I am receiving this error when attempting to access the url https://my.zos.com/zosmf/restjobs/jobs. { “errorID”:“IZUG846W”,“errorMsg”:“IZUG846W: An HTTP request for a z/OSMF ...
4
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1answer
56 views

How to audit who changed the limit on a GDG (Generation Data Group)?

I have a situation where someone has changed the limit of a GDG (Generation Data Group) and I need to track down who made the change. I know the command will be something like: ALTER gdg-base LIMIT(...
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1answer
314 views

Setup for z/OSMF on z/OS 2.3 throws off a security error indicating libIzugJni64.so is not PROGRAM CONTROLLED

I am setting up z/OSMF on a z/OS 2.3 system and receiving the following errors after starting IZUSVR1 and attempting to login to z/OSMF for the first time. The errors are seen in the JES Job log and ...
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1answer
327 views

SFTP processing from mainframe to server with Crush FTP software failing key authentication

We are in the process of converting all FTP mainframe jobs to SFTP. I used the ssh-keygen -f id_dsa_userid command to create the key pairs. Sent the public key to client to be copied into their ...
2
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1answer
191 views

ibm as400 model 9406-270 [closed]

I'm a fan of the mainframe world, I've always played with a mainframe emulated by Hercules, yesterday I had the opportunity to buy a used as400, I got all the cables and etc. Now I need to know how to ...
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1k views

How to sftp a file to a mainframe

This is my first time to sftp a file from linux to mainframe. I am using the following command. /somedirectory>sftp PR0010@someserver Connecting to someserver... someuser@someuser's password: ...
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1answer
119 views

chtag does not work on z/OS UNIX

I'm trying to tag ASCII files on z/OS host shell, so we do not have to specify the code page on the command line. > echo > iso.txt > chtag -t -c 819 iso.txt > vi iso.txt Type in "Hello" ...
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1answer
195 views

Open Source Terminal Emulator applications [closed]

We are using Rumba and Reflections for our IBM mainframe and Unix emulators. I was wondering if anyone had a side by side comparison of open source emulators that I can compare to Rumba and ...
4
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3answers
853 views

Why were some early computer displays circular?

I was looking at information on early computers and noticed some had what appear to be circular CRT displays, such as in the following images. Gerald J Sussman at PDP-6 and 340 Display from MIT Csail ...
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1answer
64 views

What is meant by distributed architecture in the context of old fashioned 1960s mainframes?

Here it says the CDC 6600 had a distributed architecture. It had a distributed architecture (central scientific processor supported by ten very fast peripheral machines) Can anyone elaborate on ...
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1answer
542 views

Write form on AS400 system

I need to write a form where I can get input from the user and save that data in DB2 present on my AS400 machine. RIght now, I am getting the default options provided by the mainframe like : 1. ...
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1answer
1k views

FTP file to Mainframe server copying only first record in the file

I was trying to ftp a file from a non mainframe server (windows machine) to mainfram server through ftp program. Input file is having 80 Record length with multiple rows. When I ftp the file using ...
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2answers
333 views

FTP DOS window closes always

I want to ftp a pds library(each members contents) drom mainframe to my pc. I wrote the following code: @ftp -i -s:"%~f0"&GOTO:EOF open myip myuser mypass pwd get 'hlq.2ndlq.3rdlq.4thlq(*)' ...
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1answer
2k views

FTP ASCII file from Windows to Mainframe (iSeries) — special characters

I have a text file created on a Windows machine, the page coding used on the file is 1252 This file is then ftp'd to an iSeries machine for processing As far as I can see, it appears on the iSeries. ...
4
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3answers
696 views

Building an improvised 'supercomputer' by connecting a number of used PCs in a LAN

I am in ongoing development of a simple but processor intensive computer program that I use for scientific research. It would be really helpful to have more processing speed. Right now I'm running Mac ...
229
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8answers
16k views

Purpose of a “mystery key” on an IBM PC 3270 keyboard

A colleague has just come into possession of a large number of IBM PC 3270 keyboards (don't ask!). These keyboards have a number of very interesting looking keys, but the one that most intrigued us ...
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8answers
22k views

What exactly is a mainframe and what exactly does a programmer do on that?

I have searched (googled) a lot but nothing answers me clearly. From what I get, "huge" computers with "many" CPUs running "legacy" software written in "legacy" languages are mainframes and the ...