The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Jubiläums BahnCard 25: 25 % Rabatt auf die Flexpreise und Sparpreise der Deutschen Bahn innerhalb Deutschlands

Posted by jpluimers on 2022/04/22

About a week still left if you plan to travel in/through Germany by train:

[Wayback/Archive] Jubiläums BahnCard 25: 25 % Rabatt auf die Flexpreise und Sparpreise der Deutschen Bahn innerhalb Deutschlands

Note that after a year, it will be extended into a full-price card (at about double the price) which is still a great way to get price reduction on German Rail.

Caveat: be prepared for rail delays.

If you want to cancel the card, use this link (or the one below it which goes to the cancellation form):

Discounts also apply to already cheap tickets that you can book at [Wayback/Archive] Günstige Bahntickets ab 12,90 Euro deutschlandweit.

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Posted in LifeHacker, Power User, Traffic | Leave a Comment »

VMware ESXi: How to Kill an Unresponsive (Stuck) Virtual Machine | Windows OS Hub

Posted by jpluimers on 2022/04/21

For my link archive: [Wayback] VMware ESXi: How to Kill an Unresponsive (Stuck) Virtual Machine | Windows OS Hub

Commands covered:

  • esxcli vm process list
  • esxcli vm process kill --type=[soft,hard,force] --world-id=WorldNumber
  • esxtop
  • ps
  • kill

–jeroen

Posted in ESXi5, ESXi5.1, ESXi5.5, ESXi6, ESXi6.5, ESXi6.7, ESXi7, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »

Jeff Geerling on Twitter: “I plug computers into my computers…”

Posted by jpluimers on 2022/04/20

Hopefully the picture below is the board of a PCIe KVM board based on a Raspberry Pi Compute Module 4 supporting Power over Ethernet (PoE).

At least it seems to looking at the thread started by [Wayback/Archive] Jeff Geerling on Twitter: “I plug computers into my computers… “:

It would also very much match the below issue that Jeff raised:

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Posted in Development, Ethernet, Hardware, Hardware Development, KVM keyboard/video/mouse, Network-and-equipment, PiKVM / Pi-KVM, PoE - Power over Ethernet, Power User, Raspberry Pi | Leave a Comment »

ESXi: various ways to find and view the log files

Posted by jpluimers on 2022/04/20

For my link archive:

–jeroen

Posted in ESXi6, ESXi6.5, ESXi6.7, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »

SwiftOnSecurity on Twitter: “Web developers and CMS managers literally dance on the smoldering wastes of a million Library of Alexandrias yet we permit them to act as if polite company.… “

Posted by jpluimers on 2022/04/19

[Archive.is: SwiftOnSecurity on Twitter: “Web developers and CMS managers literally dance on the smoldering wastes of a million Library of Alexandrias yet we permit them to act as if polite company.… “] quoting

Hyperlinks are a powerful tool for journalists and their readers. Diving deep into the context of an article is just a click away. But hyperlinks are a double-edged sword; for all of the internet’s boundlessness, what’s found on the Web can also be modified, moved, or entirely vanished.  The fragility of the Web poses an […]

 

It’s all about Link_rot, which is the main reason I have been posting [Wayback] (and when these do not archive, [Archive.is]) archival links in my blog posts since about 2015.
Sometimes I find time to add these to older posts as well, but given there are 7000+ blog posts published, I won’t be able to do that for all past blog posts.

—jeroen

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Posted in Internet, link rot, Power User, WWW - the World Wide Web of information | Leave a Comment »

Google Duo as a simple alternative for the deprecated Google Hangouts video calls?

Posted by jpluimers on 2022/04/18

Now that Google Hangouts on a PC keeps nagging that it will be replaced with Google Chat, and the main use case for my mentally retarded brother is video calls from behind his PC, I am going to investigate if Google Duo is any better (he loses mobile phones, which means no WhatsApp; Google Meet is to difficult for his mental abilities).

Some links to get me started:

Related:

–jeroen

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Posted in Google, GoogleDuo, GoogleHangouts, Power User | Leave a Comment »

World Food Supplies: The Ukraine Crisis – a Chain Reaction with Massive Global Impact (by Paul van Ruiten from Bureau OM and Kees Huizinga) #Ukraine #UkraineWar

Posted by jpluimers on 2022/04/15

The 2022 Russian invasion of Ukraine causes a chain reaction on the world food supplies.

Paul van Ruiten of Bureau OM made the below insightful diagram showing that is going on.

It is not complicated as it is an easy to follow chain of cause and effect where in all the parts, Ukraine needs at least three to four of these:

  • Safety
  • Port Access
  • Diesel
  • Seeds
  • Fertilizer
  • Water (from the Dnieper river)
  • Pest Control
  • Truck Drivers
  • Staff

Currently there is already a world-wide increase in food prices and shortages of some foods. This will worsen when in this spring the situation in Ukraine fails to improve (read: Russia gets kicked out).

Large image below the signature from [Wayback/Archive] FPvodTdWQAgmt9k (4096×3100) which you can also download as [Wayback] PDF.

Sources:

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Posted in Awareness | Leave a Comment »

How to view the html page source of a website in Safari – Macintosh How To

Posted by jpluimers on 2022/04/14

[Wayback] How to view the html page source of a website in Safari – Macintosh How To

You can enable the extra menu in Safari by selecting ‘Preferences’ under Safari in the OS X menu bar  and then under the ‘Advanced’ pane select the checkbox that says ‘Show Develop menu in menu bar.’

…

This is the option you need:

a

MacOS - Safari - Show Develop menu in menu bar

MacOS – Safari – Show Develop menu in menu bar

–jeroen

Posted in Apple, Development, Mac OS X / OS X / MacOS, Power User, Safari, Software Development, Web Browsers, Web Development | Leave a Comment »

Kris on Twitter is a bit radical against shell scripts. Learn why.

Posted by jpluimers on 2022/04/13

I say to people: only use shell interactively, don’t write scripts. Never. Not one.
But Kris, they ask, why so radical?
Because of this:

is the literal English Google Translation of the German text

Ich sage den Leuten: benutzt Shell nur interaktiv, schreibt keine Scripte. Nie. Nicht eines.
Aber Kris, fragen sie, wieso so Radikal?
Deswegen:

then links to [Wayback/Archive] Jan Schaumann on Twitter: “TIL zgrep(1) is a shell script. BSD basically does “zcat | grep”, but GNU does “gzip -dc | sed”. How did I learn that? The fun way! CVE-2022-1271, arbitrary-file-write and code execution vulnerability in GNU zgrep / gzip. …”:

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Posted in *nix, *nix-tools, Apple, ash/dash, ash/dash development, bash, bash, BSD, Development, Mac, Mac OS X / OS X / MacOS, Power User, Scripting, Software Development | Leave a Comment »

Run ESXi from a USB Flash Drive: A How-To-Guide

Posted by jpluimers on 2022/04/13

Guessing the [Wayback] Run ESXi from a USB Flash Drive: A How-To-Guide by just the abstract does not show the value enough:

A USB flash drive can be used not only for installation media – you can also run ESXi from USB flash drives or SD flash cards and boot from these devices.

In fact, the article shows way more, including:

  • how the partitions on USB/SD devices are built as compared to HDD devices, and how they even differ depending on USB/SD sizes
  • how to backup/restore the USB/SD boot devices (so you can stock them in case of failure)

This is very important, because every now and then, these USB and SD devices fail (see for instance [Wayback] Solved: Remount boot filesystem on a running system. – VMware Technology Network VMTN), so knowing what to do then is key and helps handling errors like this one:

Lost connectivity to the device mpx.vmhba32:C0:T0:L0 backing the boot filesystem /vmfs/devices/disks/mpx.vmhba32:C0:T0:L0. As a result, host configuration changes will not be saved to persistent storage.

A every useful article for my link archive!

Related: ESXi: storing an ISO 8601 time-stamped backup tarball locally

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Posted in ESXi5, ESXi5.1, ESXi5.5, ESXi6, ESXi6.5, ESXi6.7, ESXi7, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »

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