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2FA Device from Scrap

2FA Device from Scrap Thumbnail

2FA Device from Scrap

2FA Device from Scrap

Let me tell you about a gadget that I'm especially proud of. It's not elegant or inventive in any way, but I really like it, because it was built from scrap parts, extremely simple and does its job well.

The requirement was to create 2FA device, so multiple persons could use it. One of the possible solutions could be to use an old smartphone, but you know about security of old smartphones right?

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Brutal Doom Tips

Holidays are the best1 time to play games. If you are playing Brutal Doom this holidays, here are some tips for you! (If you don't know what's Brutal Doom for Doom 2, just skip this post)

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About "smart" washing machines

Ok, so now they have these "smart" washing machines with Bluetooth which has no any real use. What we really need, is the washing machine to use Bluetooth to detect Airpods our any other gadgets forgotten inside of pockets. I would definitely buy one.

Wi-Fi connection tip

Did you know, that in Linux you can connect to Wi-Fi from the terminal using a nice GUI-like interface? Much more convenient than editing wpa_supplicant.conf. If you use NetworkManager you have CLI tool already installed. Just type:


Wi-Fi from terminal!


Ok, so now this blog has representation in Tilde1. Why? Because it is so cool if you are nostalgic for The Olde Web. Or for multi-user servers in the computer lab. Cozy getaway from the bloat of modern web. Join now!. is not a social network it is one tiny totally standard unix computer that people respectfully use together in their shared quest to build awesome web pages

What to do there? Chat like a haxxor in weechat, read RSS2 in newsbeuter, create l33t home pages in public_html and see what other folks are up to by running top.

Why do we need images in terminal?

Kitty is a wonderful terminal app for Linux and macOS. But it gets much controversy and angry comments like Why the heck do we need images in the terminal?

Answering this question:

  1. Plotting graphs and getting knowledge from Wolfram Alpha
  2. Not all scripts output text nowadays, especially ML stuff. Why leave the terminal to review computation results?
  3. Some CLI file managers have preview feature. Cool, but Double Commander is still the best.
  4. QR codes are convenient. Just pipe output to qr to quickly transfer snippets of text to your phone.
  5. Printing large HQ album art of the currently playing song in Spotify. Albumart in Spotify App is very small. Some album covers have great details and interesting to look at. It's part of the experience!
  6. Printing color-adjusted xkcd in your terminal, to match terminal color scheme. Because where to read XKCD, if not in the terminal, right? I really like it white on black because this way it looks like a chalkboard doodle.

XKCD in terminal!

Magic tip


Typing some magic in your terminal? Use magick (caret mark in Tibetan script) as a prompt string. Magick!

Wolfram Alpha in the command line

Using all power of Computational Intelligence™ in your terminal! It could be your virtual assistant, that comes handy in a lot of cases, like working with dates, doing conversions and much more:

Wolfram Alpha in your terminal

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Remap Ctrl+C in Kitty terminal

Kitty terminal is awesome, and you should definitely try it.

Only thing I found tricky is how to bind termination of the running process (sending SIGINT on Ctrl+C) to a different key combination.

I like when all applications have consistent hotkeys. And different meaning of the most commonly used hotkey (copy) in all terminals always bothers me. I don't care about "history" and "traditions", switching your brain depending on currently open window is just inconvinient. So I use ctrl+c to copy and ctrl+shift+c for process interruption.

To fix that, add to kitty.conf:

map ctrl+c  copy_to_clipboard
map ctrl+v  paste_from_clipboard
map ctrl+shift+c send_text all \x03 # SIGINT

Note that there is also copyorinterrupt but for me it is even more inconsistent.

Take look at my config for more useful options.

PS: And by the way, if you want to get nice color scheme for Kitty, you could use Terminal Color Scheme Designer, export to Termite and replace = with .

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