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Study

Introduction Informatics Completed

I successfully completed the course “Introductie Informatica” at the Open University. This was my second course (of many still to come) for my bachelor degree. Wednesday I took the finals and today I looked up the answers and compared them Read more…

By jlandheer, 8 months8 months ago
Tech

And another switch…

I already replaced 2 switches, and yesterday the third (and last) one. This one is a Power-Over-Ethernet switch, which feeds power to my other switches. The old one was a HP 1820, now there’s a 1920S in its place. This Read more…

By jlandheer, 8 months8 months ago
Other stuff

They took an hour from us…

Today we have an hour less, because at 2AM the clock moved to 3AM. It is the permanent jet-lag again. I hate it with a passion. We are all forced to get up one hour earlier, and it is totally Read more…

By jlandheer, 9 months ago
Tech

Why I use VLANs

I get often asked by my friends, why do you use VLANs? If you are a network administrator you know what VLANs are, why are they are used and so on. But most people aren’t network administrators… so if you Read more…

By jlandheer, 9 months9 months ago
Tech

Time for new switches :)

I bought two new HPE OfficeConnect 1920S switches to replace the previous ones I had, the HP ProCurve 1810G-8. The old switches were in use for at least 8 years now, these switches were (at the time) sufficient but nowadays Read more…

By jlandheer, 9 months ago
Weight Loss

The one dollar bet

No, this article is not about a casino, it is about weight loss. I made a bet with a friend of mine, we are both in a weight loss race now. The idea is who loses the most percentage of Read more…

By jlandheer, 10 months10 months ago
Weight Loss

Weight loss is challenging (115.8)

It has been a while since I blogged about my weight loss, at the end of last year I was near the 110 but Christmas came, new year, and before I knew it I was hitting the 117’s again. At Read more…

By jlandheer, 10 months10 months ago
Study

One down, 35 to go

I passed my exam Wednesday! Of the 34 questions I was allowed to have 11 wrong, I had 7 errors. So that’s enough to pass. It was a difficult exam, but I made it. The course was an introduction in Read more…

By jlandheer, 10 months10 months ago
Tech

Gathering more and more logs

I’ve been working on my logging I talked about in last post, and I’m gathering more and more data from my servers. This is quite interesting because I can see what kind of activity is going on, on my network Read more…

By jlandheer, 11 months11 months ago
News

The Washington Post Parody Paper

If you were in Washington, D.C. last week, you had a chance to be one of the lucky recipients of a parody newspaper spoofing the Washington Post and crowing about the “Unpresidented” flight of Donald Trump from the Oval Office Read more…

By jlandheer, 11 months11 months ago
Contact

Mail
jeroen@landheer.com

Address
Basilicumweg 146
1314HD Almere

Telefoon
06-209.209.14
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Over Jeroen

Ik ben een software ontwikkelaar van beroep, met meer dan 3 decennia ervaring. Naast het computerwerk ben ik een fietser, gezelschapsmens en iemand die het leuk vind om af en toe eens wat met de wereld te delen via deze blog.

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