If you want to run a script for example, after apt update on Debian, you can use the apt hook system. This is useful if you want to perform some other action after the update. In my case, I need to run a script and re-install the Vulkan driver on Raspberry Pi, because apt update break it and the system can't open the Desktop environment.

Many distributions prepared to play emulators, come by default with the secondary partition in EXT4 to store settings, BIOS and ROMs. For those of us who usually work with macOS and/or Windows, it would be better if this partition came in extFAT to be able to mount in you non Linux OS and transfer files comfortably from the Explorer/Finder, so that is what I have proposed today. It's not a big deal, let's go.

Just a quick reminder, If you need the best ratio with different file compression software:

# 7z
7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on file_compressed.7z file_input
# tar.gz
env GZIP=-9 tar cvzf file_compressed.tar.gz file_input
# zip
zip -9 file_compressed.zip file_input
# rar
rar a -idq -r -y -m5 file_compressed.rar file_input
# Gzip
gzip -9 file_input

Sometimes it can be tedious to enter certain data in the command line, especially if you have to repeat it several times.

Imagine ftp command line authentication. We can make use of the expect command...

It is a question that has been asked by a guy in a Slack channel and piqued my curiosity. Thanks to DuckDuckGo the answer came alone:

The default installation is configured to download the packages from a remote server that is sometimes saturated. The best thing is to call the closest mirror and that can be done with the netselect-apt package, which can be installed as usual:

Kali Linux – Assuring Security by Penetration Testing is a fully focused, structured book providing guidance on developing practical penetration testing skills by demonstrating cutting-edge hacker tools and techniques with a coherent, step-by-step approach. This book offers you all of the essential lab preparation and testing procedures that reflect real-world attack scenarios from a business perspective...

Quick tip to extract subtitles from mp4 with the tool MP4Box available on OSX/Linux

. In OSX, we use brew to install MP4Box.

• Made for use with shell

• Share files with a URL

• Upload up to 10 GB

• Files stored for 14 days

• For free

• Encrypt your files

Last week I've been sick, but today I woke up more recovered. C.H.I.P. units are arriving, and last week received mine with which I hope to make it as good as reviewed by jvlob here (spanish post).