today's howtos

posted by Roy Schestowitz on Jun 22, 2023

• 15 must-do steps after installing Kali Linux

  Kali Linux is a widely-used operating system among ethical hackers and cybersecurity enthusiasts due to its numerous penetration testing tools. If you've just installed Kali Linux on your system, you might be wondering what to do next.

• Get Rid of Ubuntu Pro Advertisement when Updating Apt

  Getting rid of terminal ads on Ubuntu. The Problem $ sudo apt upgrade [...] Get more security updates through Ubuntu Pro with 'esm-apps' enabled: [...] The Solution By the looks of it, the advertisement message is coming from the following file /etc/apt/apt.conf.d/20apt-esm-hook.conf: $ sudo strace apt upgrade [...] openat(AT_FDCWD, "/etc/apt/apt.conf.d/20apt-esm-hook.conf" [...]

• Let’s Encrypt: Renew Wildcard Certificate With DNS Validation

  As the trend toward secure web traffic continues to increase, more sites than ever are using SSL/TLS certificates to ensure secure communication between servers and clients.

• When should you use K3s vs. MicroK8s?

  Looking for an efficient, user-friendly alternative to traditional Kubernetes? Compare the popular lightweight distributions K3s and MicroK8s to decide which is best for you.

• How to share a printer on Linux with CUPS and Samba

  You might have read about my recent spate of distro hopping, where I landed with Ubuntu Budgie as my primary operating system. A few days after installing the OS, I realized I'd forgotten that I always share my Public folder to my internal network, so I can easily share files between machines (without having to email them or bounce them between machines and any given cloud service).

  I quickly realized that Ubuntu Budgie not only didn't have a simple means of sharing folders to a network, it also didn't include a GUI method for sharing printers. Given my wife is always printing out knitting patterns, return labels, and other bits of information (and the only printer in the house is attached to my desktop), I had to get that printer shared before I was inundated with things to print for her.

• How to install Steam on any Ubuntu-based Linux distro so you can play a world of games

  Steam is one of the best things to come along for gaming on Linux. Here's how you can easily install the Steam application on any Ubuntu or Debian-based distribution.

• How to Use Sudo Command in Linux (with Examples)

  Ever tried to execute a command on your Linux system and received a “Permission Denied” error? The simplest solution to counter this error is using the “sudo” command. In this article, we will delve deep into the world of sudo and explore its functionality to overcome the notorious “Permission Denied” error in Linux. We will learn how to use the sudo command in Linux along with some examples here.

• Everything You Need to Know About Setting X Resources in Linux

  These days, most Linux graphical programs use menus or configuration files in your home directory to store settings (many programs use both), but there is an older format for configurations that you should be aware of.

  Some programs use an unusual format, known as X resources. It might sound intimidating, but it's easy to set up.

• How to Open a Port in Linux

  Every application and service which needs network connectivity to function requires specific endpoints to connect and communicate with other services. There are 65,536 such endpoints in any Linux system known as “Ports.” In this article, we will discuss different methods to open a port in Linux.