iljitsch.com

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Hi, I'm Iljitsch van Beijnum. Here on iljitsch.com I publish articles and post links about a range of topics.

Also have a look at my business web site inet⁶ consult.

Voorstel: maatregelen tegen het coronavirus

Er zijn nu 22 landen met meer dan 100 gevallen van COVID-19 en acht landen met meer dan 1000. In China en Italië, de hardst geraakte landen, werd het virus in eerste instantie onderschat en daarna waren er zeer zware maatregelen nodig, in China op het draconische af. De ziekenhuizen daar zijn of waren zwaar overbelast, wat ongetwijfeld tot extra doden leidt of geleid heeft.

Het zou wel zo fijn zijn als wij het in Nederland en andere landen met een nog redelijk overzichtelijk aantal gevallen niet zo ver laten komen. Liever stevige maatregelen nu dan draconische over één of twee weken.

Volledig artikel / permalink - geplaatst 2020-03-11

BGP hands-on training courses in 2020

For 2020, there will be hands-on BGP training courses in association with NL-ix on the following dates:

Permalink - posted 2020-02-12 - 🇳🇱 Nederlandse versie

The beautiful simplicity of the serial port

Today, I got a new USB-to-serial adapter. When trying to figure out how to connect a DEC VT420 terminal to a Mac, I learned that as of version 10.9, MacOS has a built-in driver for the FTDI USB-to-serial chip. So I ordered a "USB-console cable" from Amazon. This is a cable that looks a lot like a Cisco console cable but with a USB connector at one end. As the name suggests, you can connect it directly to the console port of a Cisco router. And with the right RJ-45-to-DB-25 / DB-9 adapters, you can connect it to anything with a serial port.

Read the article - posted 2020-02-02

#brexit

Image link - posted 2020-01-31 in

Logging in on my Mac using a VT420 terminal

At my first job back in 1992 I had three things on my desk: a big phone, a 486SX PC running Windows 3.0 and a DEC VT320 terminal. Even back then those were pretty outdated, but we still used them for our helpdesk ticket system and our in-company email. (By the way, I recommend that everyone in tech starts as a helpdesker.) Five years later, I started a company with four others, and the first business we did was collect a bunch of VT420 terminals, which we then sold for ƒ 25,- a piece. I kept one for myself.

So the Digital VT100 terminal family holds a special place in the retro tech corner of my heart. Over the years, I tried to connect the terminal to my Mac using a USB-to-serial converter a few times, but never got anywhere. Today, I tried again, and finally got everything to work.

Read the article - posted 2020-01-25

Winner doesn't take all: IPv6 is now a success, even at 25% deployment

We shouldn't gauge the success of IPv6 by looking at how much IPv6 replaces IPv4, but by how much IPv6 complements IPv4. And it's already doing that quite well today by making IPv4aaS (IPv4 as a service) possible. And IPv4aaS will make ISPs require IPv6 when peering with streaming services and other big content providers.

Permalink - posted 2020-01-23 - 🇳🇱 Nederlandse versie

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