What is punycode? Punycode is a representation of Unicode with the limited ASCII character subset used for Internet hostnames. Using punycode host names containing Unicode characters are transcode...

I recently had to change my old worn pc105 keyboard. One of the disadvantages of my new 60% keyboard is that I have to use its “mac layer” to have working the F keys. And, in mac keyboards, the win...

It can be useful to systematically install the same list of packages on several computers. Or keep a list of the installed packages in some computers, to expedite reinstallations. In Debian this c...

DoH When you type a web address or domain name into your address bar (example: www.mozilla.org), your browser sends a request over the Internet to look up the IP address for that website. Traditio...

Bash history is a log of the commands we have executed in bash. By default it stores the last 1000 commands in the ~/.bash_history file. There is situations on which we don’t want to keep a record...

Sometimes I feel like the last person in the world to find out things. This is one of this times… Windows 10 it was released on 2015, and I still discovered these days that windows doesn’t shut do...

I like to have installed the logout-menu-widget from Pavel Makhov (@streetturtle)in awesome. I like to can shut down my machine with a pair of clicks. But, it turns out that the logout-menu-widget...

Today I was mentioned on an article in Blog de Kaian El desafortunado: Problemas con portátil antiguo. Kaian, a great friend of mine IRL, explains how he was able to give a new life to an 16 years...

The HDMI output of the Raspberry Pi is only activated if a screen is connected and powered up before the Raspberry Pi is started up. This means that if you have a Raspberry Pi connected to your tv,...

In my free time I like to play around in CTF (Capture The Flag or Wargames) platforms, learning a bit and, whith a bit of luck, solving some level or challenge. One of the platforms in which I pla...