today's howtos

posted by Roy Schestowitz on Jan 17, 2023

• How to create and use file access control lists in Linux | Enable Sysadmin

  Simplify your life by using ACLs to assign specific permissions for users or groups.

• How To Install Proprietary Drivers In Ubuntu 22.04 LTS | Itsubuntu.com

  In this tutorial post, we will show you the command line method to install Proprietary drivers in Ubuntu 22.04 LTS. With the help of this tutorial post, you can easily install additional drivers like Nvidia drivers, network drivers, wifi drivers, and others in the Ubuntu terminal.

• How To Install Varnish on Ubuntu 22.04 LTS - idroot

  In this tutorial, we will show you how to install Varnish on Ubuntu 22.04 LTS. For those of you who didn’t know, Varnish is an open-source, high-performance HTTP accelerator that is used to improve the performance and scalability of web applications. It is a reverse proxy that sits in front of a web server and caches static content, such as HTML, CSS, and JavaScript files. By caching this content, Varnish reduces the workload of the web server and speeds up the delivery of content to users. Varnish offers many features such as private CDN, Gzip compression and decompression, HTTP streaming pass & fetch, etc.

  This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Varnish cache on Ubuntu 22.04 (Jammy Jellyfish). You can follow the same instructions for Ubuntu 22.04 and any other Debian-based distribution like Linux Mint, Elementary OS, Pop!_OS, and more as well.

• How to Install Metabase on Ubuntu 22.04 with Docker

  Metabase is a Java-based open-source Business Intelligence (BI) tool.

• What is Shell in Linux

  Here learn about the shell which is an important part of the Linux operating system. The shell in the Linux operating system is used as a command line interpreter. It works between user input and Linux Kernel.

• How to Sort in Linux by Multiple Columns

  Here learn how to sort a file based on the contents of multiple columns in Linux. The sort command provides a lot of options that allow you to customize the way it sorts your data.

• How to Rename Multiple Directories in Linux at Once

  Here learn how to rename multiple directories in Linux at once. To do with multiple directories, we need to use special commands, scripts, or a combination of different commands.

• How to Install EPEL on CentOS Stream EL9 or EL8 - LinuxCapable

  EPEL (Extra Packages for Enterprise Linux) is a community-driven project that provides additional software packages for Enterprise Linux distributions such as CentOS, Red Hat Enterprise Linux (RHEL), and Scientific Linux. These packages are built and maintained by a group of volunteers and are compatible with the corresponding version of the Enterprise Linux distribution.

• Find the Last Logged-In Users in Linux with Lastlog Command

  The lastlog command in Linux shows the most recent login of all the users or a specific user by pulling the information from the “/var/log/lastlog” file.

  The output is a long format summary of all the user’s account names, ports, IP addresses, and last login timestamps.

  Also, don’t confuse this tool with the last command, as both are separate tools and give you different information by reading different database files.

  In this article, you will learn how to use the lastlog command on Linux to check the most recent login of all users or a specific user, as well as how to clear a single or all user’s last login records.

• How to Use the Alias Command in Linux: A Tutorial for Beginners

  The alias command in Linux is used to create and manage aliases, which are essentially shortcuts for longer commands.

• How to Rename a Directory with Spaces in Linux

  Here learn how to rename a Linux directory whose names contain special characters such as space. We will make use of quotation marks, escape characters, and a couple of alternative methods to handle it.

• source Command in Bash: A Practical Guide

  Learn about one of the most useful Bash command, source, which is used to execute commands from a file or script in the current shell environment.

• How to Use userdel Command in Linux - Remove Users

  In this tutorial, we learn how to use userdel command in Linux to remove a user. A system administrator might require to remove a user when the user account is compromised, user no longer required, or when the user itself creates problems.

• sort Command in Linux: How to Sort Data Quickly and Easily

  Here explore the sort command in more detail, including how to use it to sort data in various ways and how to customize the sort using options.

• Change the Name of a Directory in Linux (rename a directory)

  Here learn how to rename a directory in Linux from the terminal. Renaming a directory in Linux can be a useful way to keep your file system organized and maintainable.