The Wiert Corner – irregular stream of stuff

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

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Archive for March, 2018

Urgent security advisory – MikroTik – upgrade to 6.41.3 if you can change your bridge implementation, ensure SMB and WWW are not WAN accessible

Posted by jpluimers on 2018/03/31

I both understand the [WayBack] Urgent security advisory – MikroTik and the users reluctant to upgrade: Mikrotik has a history of updates breaking existing behaviour and underdocumenting features and release notes.

The attack is over the www or www-ssl services which by default run on port 80 and 443. You can see on which networks they are bound using this example from the terminal:

Read the rest of this entry »

Posted in Hardware, Internet, MikroTik, Network-and-equipment, Power User, routers, Security, WinBox | Leave a Comment »

Google Home and Bluetooth speakers make the perfect pair

Posted by jpluimers on 2018/03/30

Now any of your Google Home devices can connect to other Bluetooth speakers so you can control your entertainment experience simply using the sound of your voice.

Multi-room audio through your Google Home device with “follow-me” behaviour: [WayBack] Google Home and Bluetooth speakers make the perfect pair.

Now if your smartphone could do the same…

Via: [WayBack] Now any of your Google Home devices can connect to other Bluetooth speakers so you can control your entertainment experience simply using the sound of y… – Roderick Gadellaa – Google+

–jeroen

Posted in Google, GoogleHome, Power User | Leave a Comment »

Telefoonverslaving

Posted by jpluimers on 2018/03/30

Deze pagina is zo mooi in alle opzichten van mooi: [WayBackTelefoonverslaving.

Via: [WayBack]Diederik Broekhuizen on Twitter: “Complimenten aan @nos voor dit supersterke digitale stuk. Visueel, inhoudelijk en modern, zo kan ‘t ook: “Sowieso herkenbaar: je telefoon heeft jou #OnderDeDuim.” https://t.co/ChjzIqZ6Ss… https://t.co/cP1839LEGY”

–jeroen

Posted in LifeHacker, Power User | Leave a Comment »

Interactive additive and subtractive colour mixing

Posted by jpluimers on 2018/03/30

Cool interactive colour mixing:

The www.spectrumcolors.de site has way more interesting pages around colour spaces, colour press techniques (like colour separation, rasterising, etc). Worth visiting!

–jeroen

via:

Posted in Algorithms, Development, Power User, Software Development | Leave a Comment »

Connecting two Macs using Thunderbolt | Macworld

Posted by jpluimers on 2018/03/30

TL;DR: Connecting to Macs over Thunderbolt is easy and has transfer speeds way faster than other network connections.

Summary of steps from [WayBackConnecting two Macs using Thunderbolt | Macworld

  • Connect the Thunderbolt cable between two Macs
  • In the Network Preferences find the self-assigned IP address on either side
  • In that side, ensure you have File Sharing enabled
  • On the other side, open a Finder, press Command-K, then the IP-address you noted and logon
  • Transfer files

This also increases LAN sync speeds of DropBox, Google Drive and others.

Note the connection by default using SMB

–jeroen

Posted in Apple, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, macOS 10.12 Sierra, Power User | Leave a Comment »

FizzBuzz as interview question – video by Tom Scott

Posted by jpluimers on 2018/03/29

[WayBack]FizzBuzz: One Simple Interview Question… Jeroen Wiert Pluimers – Google+:

THE BASICS S1 • E2
FizzBuzz: One Simple Interview Question

Tom Scott
Published on Jul 31, 2017
There are a lot of opinions on how to hire coders, and most of them are terrible. The opinions, that is, not the coders. But a basic filter test to make sure someone can do what they say they can: that seems reasonable, and FizzBuzz is one of the more common tests. Even now, interviewers use it. Let’s talk about why it’s tricky, and how to solve it.

Imran’s blog post: [WayBack] Using FizzBuzz to Find Developers who Grok Coding | Imran On Tech

Other approaches for pretty much every language: [WayBack] FizzBuzz – Rosetta Code

In retrospect, I wasn’t really surprised Kristian Köhntopp commented these two:

–jeroen

– https://plus.google.com/+KristianKöhntopp/posts/jYKBAD4MHMj

 

 

 

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Posted in Development, Software Development | Leave a Comment »

PascalABC.net – .NET version of Pascal with its own IDE

Posted by jpluimers on 2018/03/29

Interesting to try:

The new generation Pascal programming language that combines simplicity of classic Pascal, a great number of modern extensions and broad capabilities of Microsoft .NET Framework

I didn’t know about it either.

–jeroen

Read the rest of this entry »

Posted in .NET, Development, Pascal, Software Development | Leave a Comment »

Interesting ways to obtain MTU and MSS sizes – via Troubleshooting Bitbucket Cloud MTU/MSS issues – Atlassian Documentation

Posted by jpluimers on 2018/03/29

I will probably need the netstat/tcpdump/wireshark tricks here in the future: [WayBackTroubleshooting Bitbucket Cloud MTU/MSS issues – Atlassian Documentation

via: [WayBackAtlassian Bitbucket Status – Network maintenance; MTU/MSS changes coming

–jeroen

Posted in Communications Development, Development, Internet protocol suite, Network-and-equipment, Power User, TCP | Leave a Comment »

Privacy badger: blocks spying ads and invisible trackers. Not just for Facebook, but for every site.

Posted by jpluimers on 2018/03/29

[WayBackPrivacy Badger | Electronic Frontier Foundation: Privacy Badger blocks spying ads and invisible trackers.

Chrome first run settings are at

chrome-extension://pkehgijcmpdhfbdbbnkijodmdjhbjlgp/skin/firstRun.html

Via: [WayBack] Arjen Lentz on Twitter: “EFF’s Privacy Badger does this for any site. Also available for Chrome/Chromium.… “

There is a really interesting Y-combinator thread at [WayBack] Facebook Container Extension: Take control of how you’re being tracked | Hacker News which goes way deeper in how various browsers and extension combinations can help you getting more hold of your privacy.

A few links via that hacker news link:

–jeroen

Posted in Chrome, Firefox, Google, Power User, Privacy | Leave a Comment »

Cracking xkcd Passwords in little time, breaking 12 character passwords in more time… hashing algorithms…

Posted by jpluimers on 2018/03/29

via [WayBack] Cracking xkcd Passwords in 20 Seconds, breaking 12 character passwords and other cyber “I hope I’ve demonstrated that you need unique words, digits and … – Kristian Köhntopp – Google+

Some interesting reads:

–jeroen

Posted in Power User, Security | Leave a Comment »