Decompressing ZIP Files on Mainframe

15th June 2022

Unfortunately classical mainframe has no builtin decompressing software for ZIP files. What you could do: Transfer ZIP file to USS, decompress and unpack there, then copy back to MVS. To do it directly on MVS you need to purchase a separate utility to do this. One utility is FLAM, Frankenstein…

eklausmeier.goip.de down

14th June 2022

Since Friday, 10-Jun-2022, till Tuesday, 14-Jun-2022, eklausmeier.goip.de was down as the internet modem+router was defective. This downtime was unplanned. Now online again. Dates from UptimeRobot. Uptime robot reported downtime starting: 2022-06-10 12:23:16 UTC+1 Uptime robot report machine up…

Upgrading OnePlus Five to Oppo Reno4

26th May 2022

I upgraded my smartphone OnePlus Five to Oppo Reno4 Pro 5G. The OnePlus Five smartphone has a Qualcomm Snapdragon 835 CPU, while the newer Oppo smartphone uses a Qualcomm Snapdragon 765. I paid 347.17 EUR for the Oppo phone, which I bought at Amazon. I paid 499 EUR in June 2017 for the OnePlus…

Lufthansa Air Tracker

8th May 2022

In Air France Air Tracker I wrote about the air tracking in Air France jets. When I flew with Lufthansa from Frankfurt to Krakow I checked for Wifi on plane and found FlyNet. I didn't book any internet tariff, but found the air tracking interesting. In contrast to Air France the seats offered no…

Multi Tenancy MS-Teams

6th May 2022

Task at hand: Work with multiple accounts using MS-Teams. Currently MS-Teams does not allow to seamlessly switch between multiple accounts. For example, if you have a private MS-Teams account and a company account, you can not switch easily between those two. The Pidgin instant message client…

Upgrade AMD Bulldozer to Cezanne

3rd May 2022

I upgraded my desktop computer from AMD Bulldozer FX 8120 to AMD Cezanne 5700G. I also upgraded from a hard drive to M.2 SSD storage, upgraded from 16 GB DDR3 to 64 GB DDR4, upgraded from 21″ to 32″ 4K monitor. I bought the hardware from Mindfactory. Part # Single/€ Sum/€ ASRock X570…

Copy Arch Linux to SSD

2nd May 2022

Task at hand: Copy existing Arch Linux installation to new SSD. 1. Partitioning. Partition new SSD. For example use gparted. After partitioning you should have something like # parted /dev/nvme0n1 GNU Parted 3.5 Using /dev/nvme0n1 Welcome to GNU Parted! Type 'help' to view a list of…

Various Quotes from Kristian Köhntopp

26th April 2022

Below posts from Kristian Köhntopp specifically talk about cloud, costs, and performance. I collected these quotations as "proof" that cloud is not always a cheaper solution compared to on-prem. Kristian Köhntopp worked as system- and database-administrator, security engineer,…

Mindmaps in Saaze

23rd April 2022

This blog runs using Simplified Saaze. Simplified Saaze now provides mindmaps. They are provided via markmap from Gerald Liu. Syntax is: [markmap] # H1 ## H2a ## H2b ### H3 #### and so on [/markmap] This will look like this: # H1 ## H2a ## H2b ### H3 #### and so on You can click on the circles…

Galleries in Saaze

22nd April 2022

This blog runs using Simplified Saaze. Simplified Saaze now provides galleries. I.e., a set of images all in one place, where you can choose which image to present by pressing on a preview in the caption area. Syntax is: [gallery] path /regex/ [/gallery] path is the path of the directory, where to…

Table of Contents in Saaze

9th April 2022

Assume you write a longer blog post with multiple headings. Then you probably want to have a table of contents at the head of your text, so readers can easily navigate and have a better overview of the content. This blog contains mostly shorter posts, so usually there is no need for a table of…

Adding Categories to Saaze

5th April 2022

This blog runs using Simplified Saaze. Almost every blog post contains categories and tags. Although previously these categories and tags were not linked together in any way. I.e., there is no way to find all blog post relating to one specific category. Task at hand: Add categories and tags to…

Accelerating Page Load Times by Reducing Requests, Part #2

26th March 2022

In continuation of Accelerating Page Load Times by Reducing Requests from last year, I tried to reduce the number of request even further. This time I stumbled on this opportunity by accident. When I changed my favicon.ico file, I read at favicon.cc that you can embed your favicon.ico between the…

PHPMagazin On Simplified Saaze

21st March 2022

The German magazine PHPMagazin has an article written by me on Static Site Generators, PHP-FFI, PHP-PECL, and on XHProf. The article is in German. Simplified Saaze is the static site generator used by this blog. Its description is here: Simplified Saaze. The editorial manager of the magazine,…

Testing COBOLworx gcc-cobol

20th March 2022

In an article An open-source COBOL contender emerges a "real" compiler for COBOL was announced. This newly announced compiler is a frontend to gcc. This contrasts with GnuCOBOL, which translates COBOL to C and then calls gcc. As the performance of GnuCOBOL is a little bit disappointing,…

ReverseProxy and UrlToolkit in Hiawatha

6th March 2022

This blog uses the Hiawatha web-server. Hiawatha is a lightweight web-server with special focus on security. Hiawatha offers, among other features, reverse proxy functionality and URL rewriting, see man page. Reverse proxy is configured by keyword ReverseProxy. Multiple reverse proxies may be…

Mass Lowercasing of File Names

7th February 2022

Task at hand: lowercase ca. half a million file names. The obvious solution would be to use the mv command together with tr to accomplish the job: for i in A B C ...; do mv $i `echo $i | tr '[A-Z]' '[a-z]'`; done Each file would spawn two processes: one for the tr and one for the mv itself. The…

IMS/DC MFS To PHP

23rd January 2022

Task at hand: Convert IMS/DC MFS to PHP code. This is vaguely similar to the task that the MFS language utility DFSUPAA0 does. IMS/DC is a mainframe based transaction manager. MFS is an Assembler like description of the message format used in IMS/DC. Parse MFS using Perl: Screen layout is…

Generate RSS from HTML

17th January 2022

As written in Generate RSS from Markdown extracting RSS from Markdown with frontmatter is simple. Now I took a slightly different approach and generate RSS from the HTML files directly. For this blog I still want an RSS feed. Simplified Saaze did not provide this functionality. Since 15-Aug-2022…

Statistics of this Blog in 2021

11th January 2022

End of May 2021 I moved my blog from WordPress to self hosted, see Moved Blog To eklausmeier.goip.de. Now after roughly half a year I regained ca. half of the visitors I had on WordPress. Contrary to some murky SEO advice Google does not honor "noindex". I have below HTML code in all my…