Tutorials Index Page 1
tmux cheatsheet
Terminal MUltipleXer (tmux) allows you to switch between several terminals in one. In this tmux cheat sheet, we show the most common actions and commands, like list session, new window, tmux detach.
How to execute sudo with no password
In this short tutorial, we are going to explain how to configure the /etc/sudoers file for no password sudo. TLDR; username ALL=(ALL) NOPASSWD:ALL . We will also explain how to use a group to allow execution of sudo with no password.Check our...
Moviepy: example script with subtitles
In this short tutorial, we are to explain how to use moviepy to add subtitles to a video. We use CompositeVideoClip for adding the subtitles in the center position of the video. With this script you can add subtitles as a batch process to multiple videos.
Ubiquiti UAP: Prevent WiFi Deauth Attacks
In this tutorial, we are going to explain how to enable WiFi protection to avoid getting attacked by authentication packets. The option in the unifi controller is called PMF and it enables the IEEE 802.11w-2009. You can enable this option on the WLAN...
Everything about what you should or should commit
In this tutorial, we are going to answer the question *should I commit...*. For example, should you commit .gitignore file? mix-manifest.json or what about package-lock.json? Check here the common questions about which files you should or should not...
Docker daemon.json Configuration: Complete Guide with Examples [2025]
Complete guide to Docker daemon.json configuration. Learn location, options, logging, storage drivers, registry mirrors with full examples and best practices.
python3 http server command line
In this short tutorial we explain how to start a simple http server from the command line, very useful to share files across the network. Just execute python -m http.server 8000
How to use postgresql jsonb type with django
Learn how to use PostgreSQL JSONB column by following this tutorial that explain how to use schemaless with django and postgresql
How to use nix with catalina
After Catalina upgrade /nix will not be writable. In this tutorial, we explain step by step how to use nix with catalina by creating a volume to mount /nix on it. Read the full tutorial to find step by step
How to disable sip mac os catalina
In this brief tutorial, we explain how to disable SIP. You will need to start on recovery mode and from the terminal execute: csrutil disable. Make sure you understand what it means to disable SIP, read here for more information.