today's howtos

posted by Roy Schestowitz on May 31, 2023

• Understanding Ext4 Disk Layout, Part 1

  This blog is the first in a series of blogs in which we are going to look at the disk layout of the ext4 filesystem. We will be looking at different types of on-disk structures in newly created ext4 filesystems and understand their importantance.

• Add ‘Open Terminal Here’ for other Terminal Emulator in Ubuntu 22.04

  Want to let 'Open in Terminal' context (right-click) menu option work for another terminal emulator? Here's an extension to do the similar job for Nautilus. When right-clicking on either a folder or blank area in file manager, there's an 'Open in Terminal' menu option to launch system default terminal with that folder as working directory.

• Alternatives to popular CLI tools: dig

  This article spotlights alternative tools to dig. This is a DNS lookup utility.

• A Comprehensive Guide to the wc Command in Linux

  One of the most valuable utilities offered by Unix and Linux-based systems is the wc command. This versatile command stands for "word count" and offers you a simple, yet powerful way to analyze text files. By comprehending the full scope of wc, you'll increase your proficiency with command-line operations, making your interaction with Unix or Linux systems more productive and efficient.

• What is the difference between apt and snap install docker?

  If you are planning to install Docker on Ubuntu or Debian-based system then you can either use the APT package manager or Snap which is a Universal package installer. However, what is the difference between having Docker from Apt and Snap, here we discuss that.

• How to enable (or disable) Bash autocompletion in Debian-based distributions

  Hello, friends. In this post, you will learn how to enable Bash autocompletion in Debian-based distributions. Bash is a very versatile shell, but many newcomers to Linux may find it a bit complex. This is not the case, but for them, any help is important.

• Exploring the CBSD virtual environment management framework – part 5: Jails (III)

  [New to Gemini? Have a look at my Gemini FAQ.] This article was bi-posted to Gemini and the Web; Gemini version is here: gemini://gemini.circumlunar.space/users/kraileth/neunix/2023/cbsd_pt5.gmi This article is about creating jails right from the command line. This time we will also build an example jail that is somewhat useful.

• Run Linux Commands Inside Containers With Docker Compose

  Here are various ways you run Linux commands inside Docker Containers, with or without entering them. Moreover, learn how to do that from any directory in Linux.

• How to Install Brave Browser in Ubuntu 23.04 | 22.04 with New Apt Rule

  This simple tutorial shows how to install brave browser via the new apt source policy in Ubuntu 23.04 & 22.04. Due to security issue, Debian changed its policy for adding apt sources. Ubuntu is changing the rules too. Since Ubuntu 22.04, it uses more secure key files with digital signature for system repositories and PPAs.

• Prompt for Input in Bash

  Comprehensive tutorial on the uses of prompt with the “read” command in the Bash script and the benefits of using a prompt message with the “read” command.