Questions tagged [mainframe]

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

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47 views

How to scroll to top in ISPF?

Is there a command to scroll to the top of of the file in ISPF? Also, scroll to bottom? Similar to lower case g in VI. Also, is there anything like scroll to top of function or scroll to opening ...
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0answers
27 views

REST JES Job Completion notification not working

I am writing a REST client application, destined to be open source, that submits jobs to JES using zOSMF. It works but zOSMF doesn't appear to be calling my notification server when the job completes....
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2answers
277 views

Record Editor Cobol To Csv

I have a problem that I'm facing with Record Editor and trying to convert COBOL data and Copybook files to CSV. I'm stuck at a point where "Generate Code for Cobol Copybook creates a preview that is ...
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1answer
122 views

Unable to set NOSHAREAS attribute on executable in USS. chattr() error: rv=-1, errno=8B, rsn=EF076043

While installing the ported tools from Rocket on my z/OS instance I am running into an issue while installing sudo. The package is from sudo-1.8.6p3_b009.170419 In the install instructions indicate ...
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0answers
404 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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0answers
534 views

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/J8.0_64. The error log for slave start is as below: [02/14/19 11:...
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0answers
190 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: ...
2
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1answer
980 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 ...
2
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1answer
131 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
1k 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 ...
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1answer
100 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
639 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
660 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 ...
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1answer
350 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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0answers
2k 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
428 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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3answers
1k 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 ...
2
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1answer
65 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
694 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. ...
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
337 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
3k 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. ...
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3answers
735 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 ...
230
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8answers
17k 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
33k 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 ...