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Cheryl Watson’s Tuning Letter 2021 No. 4 Now Available

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 146-page issue, 2021 No. 4, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: 2021 ended with the world’s media full of stories about the ‘Log4j vulnerability’, and how it was possibly the largest ever security exposure. Log4j is an open source...
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Log4j Scanning Tool for z/OS

Hello All, We’re sure that you have heard about the security exposure in the Log4j Java package?  It has been described as “Could be the most serious security threat ever seen”.  While the media occasionally exaggerate things, this is one that everyone should be aware of – it potentially affects everything from the biggest mainframe...
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Cheryl Watson’s Tuning Letter 2021 No. 3 Available Now

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 121-page issue, 2021 No. 3, on our publications website (https://watsonwalkerpublications.com/).  The last quarter has been really hectic on many fronts – IBM released the formal announcement of z/OS 2.5, details about the chip in IBM’s next mainframe were discussed at the Hot Chips conference, we’ve...
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IBM z/OS 2022 Software Prices

If you've been working from home and haven't made it into the office, you might not have seen the August 24 snail mail from IBM announcing a price increase of 5% on MLC (Monthly License Charge) prices. We want to bring this up because many people are completing their budgeting process for 2022, and they...
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Watson & Walker’s Application Profiler for Z

Watson & Walker, the mainframe industry's leading independent performance consultants, are delighted to announce our latest software product, the Watson & Walker Application Profiler for Z (AP4Z). Are you a performance analyst, frustrated by seeing a generic program name (with no indication of what program is actually being executed) when you use SMF type 30...
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SHARE Virtual Experience 2021

This year’s Summer SHARE conference will once again be held as a virtual event. Access to pre-recorded ‘on-demand’ sessions was provided to registered ‘attendees’ starting last Monday (August 2nd), with the live sessions starting next Monday (August 9th).  You can find the impressive list of on-demand sessions here.  And the Technical Agenda is available here. ...
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Cheryl Watson’s Tuning Letter 2021 No. 2 Available Now

We just published the latest 153-page issue of Cheryl Watson’s Tuning Letter, available to subscribers on our publications site. As usual, we aimed to have a mix of articles, with some covering important upcoming changes in z/OS 2.5, and others getting into more detail about functions that have been with us for a while, but...
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Cheryl Watson’s Tuning Letter 2021 No. 1 Is Now Available

Subscribers to Cheryl Watson’s Tuning Letter can find the 149-page Cheryl Watson's Tuning Letter, 2021 No. 1, issue on our publications website (https://watsonwalkerpublications.com/).  The last quarter has been an action-packed one, so regardless of which group you work in, we believe that you'll find information in this issue to make your job a little easier...
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Watson & Walker Release WWUNTERSE Program

Here at Watson & Walker we love SMF data.  And judging by the volumes of it that most z/OS sites generate, we are not the only ones.  SMF can tell you just about anything you could want to know about what is happening on your systems.  The downside of having that vast sea of information...
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Upcoming IBM Network Security Change

In case you have missed it, effective April 30, 2021, IBM is removing support for TLS 1.0 and TLS 1.1 from its software download servers, and all connection attempts after that date will have to use TLS 1.2. If you currently download files using HTTPS, then you should not be affected.  However, if you use...
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