Questions tagged [zos]

z/OS is an Operating System for IBM System 390 family of mainframes

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Issue in connecting to an API server from REXX batch

I'm unable to connect to Google's geo service API in batch mode using REXX RXEXEC1 utility shared on GitHub I have used the same code as was shared on GitHub and followed all instructions. The JCL ...
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1answer
51 views

Is it possible to build a queue sharing group on only a coupling facility and not use db2?

I keep reading docs that say the messages are kept in a cf and can be offloaded to smds or db2 if they are too large. This would suggest I could build out queues in a cf and offload large messages to ...
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205 views

lftp 4.8.4 refuses to talk TLS1.2 with z/OS ftps host

Appreciate any advice on below problem: I have a problem to connect z/OS FTPS server when I choose TLS1.2 protocol: leonidt@zdsdeveng03:/gsa/pokgsa/home/l/e/leonidt/20190114_Switch2lftp> ~/local/bin/...
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474 views

Need help to establish secure ftp connection from linux to z/OS FTPS server

I need help to establish secure ftp connection from linux client to z/OS host running FTPS server. From FTPS server admin I have got following information: Host IP address, port, CA certificate file ...
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1answer
314 views

SNMP Remote PING

Suppose we have 3 servers A, B and C. A is our monitoring server. I'm trying to find an OID on server B to ping server C to find out whether server C is reachable from point of view of server B. I ...
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1answer
93 views

Authorization required to install jzos batch launcher

We are trying to install the JZOS Batch Launcher. The function consists of three pieces: a load module that must be put into a z/OS PDSE, a sample start proc that can be tailored and put into an ...
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1answer
893 views

Started task in z/OS lacks RACF privileges

I wish to test a JDBC server implementation running under z/OS. The usual approach would be to define a JCL procedure and run this as a started task. The started task requires a user ID under which it ...
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1answer
27 views

Are there any technical constraints to deploy from one or more LPARs to another?

I'm creating a LPAR strategy to support: A production support environment (copy of production) Two separate function test environment for concurrent releases Question: Is there any zOS technical ...
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1answer
856 views

How to automate FTP user password updates, on a remote IBM z/OS FTP server?

We wish to solve the business problem of how to schedule automated password updates, on a remote FTP server (note: z/OS) over which we have no administrative control, before the password expires. For ...
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2answers
926 views

How to compare mainframe CPU performance?

I am working with an application that runs on tomcat in OMVS. It run terribly on one mainframe, and adequately another another. Is there a way I can compare the CPU of the two mainframes as a ...
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0answers
40 views

Process identifier mask in z/OS

I've noticed a curious pattern to process identifier numbers on the z/OS system I'm working on (uname reports it as OS/390), they're either 1-4 digits long or 8 digits long but never in between. The ...
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Query Memory available in zVM

Can a user of a zVM virtual machine query the allocated memory size (VM RAM size?), from USS? I've had some success getting the CP info using oeconsol "d m=cpu". While some sources suggest that the ...
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Is it possible to enable WLM for Stored Procedures through DB2 on z/OS

If core WLM is not available for all built-in Stored Procedures in a DB2 on z/OS, would it be at all possible for a DB2 user with all privileges to setup the core WLM environments through a CLPPlus (...
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2answers
2k views

Mounting a mainframe file system on Unix (or vice versa)

We have a data conversion project where the overall process works this way: Mainframe legacy application will extract out their data into flat text files. Our application (running on AIX) will FTP to ...
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1answer
526 views

UID/username lookup on IBM z/os USS

How can I associate a UID to a specific username on IBM z/OS Unix System Services? Within USS, I see content created in my user space which I do not own. File ownership lists a three digit ...
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287 views

virtualize BS2000/Posix or z/OS

Is it possible to create a virtual instance of either BS2000/Posix or z/OS on libvirt KVM, or any other virtualization platform? I have been asked to provide this so that software can be tested within ...
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4answers
3k views

Can I run grep against a zOS dataset via Unix system services?

I have a search I'd like to run against a zOS dataset, and I know how to form the grep command. I have access to the machine via Unix system services, how to I address a dataset from that environment?...