In computing, netstat (network statistics) is a command-line network utility that displays network connections for Transmission Control Protocol (both incoming and outgoing), routing tables, and a number of network interface (network interface controller or software-defined network interface) and network protocol statistics. Wikipedia.

Installation in Debian-like systems (Ubuntu, Kali Linux, ParrotSec OS, etc...):

sudo apt install net-tools -y

Display all sockets (default: connected):

netstat -a | …

Docker Compose is a tool for defining and running multi-container applications. It is the key to unlocking a streamlined and efficient development and deployment experience.

Compose simplifies the control of your entire application stack, making it easy to manage services, networks, and volumes in a single, comprehensible YAML configuration file. Then, with a single command, you create and start all the services from your configuration file.

Compose works in all environments; production, …

A container is an isolated environment for your code. This means that a container has no knowledge of your operating system, or your files. It runs on the environment provided to you by Docker Desktop. Containers have everything that your code needs in order to run, down to a base operating system. You can use Docker Desktop to manage and explore your containers. Official documentation.

This article - popular docker commands collection.

If you need to show subcommands list you may…

# What is Docker?

Docker is a set of https://en.wikipedia.org/wiki/Platform_as_a_service (PaaS) products that use OS-level virtualization to deliver software in packages called containers.

Docker is a tool that is used to automate the deployment of applications in lightweight containers so that applications can work efficiently in different environments in isolation. Wikipedia.

Official installation tutorial for Debian.

# Start installing

Install CA-certificates and CURL:

sud…