How to use udev
Udev is flexible but complex. Learn how to use udev so you can customize how Linux recognizes your devices.
Use lspci on Linux to see your hardware
Sometimes you need to identify the hardware in a system. One command used for this is lspci.
Introduction to the Domain Name System (DNS)
Learn how the global DNS system makes it possible for us to assign memorable names to the worldwide network of machines we connect to every day.
Use rclone to put your files in the cloud
There are lots of third party applications out there that purport to solve my sharing-with-the-cloud problem. I chose Rclone – an open source command-line program that can be used to copy files between computer file systems and the cloud, providing backup, restore, duplication, one-way and bi-directional synchronization and even “file streaming” – making a folder appear virtually in your physical filesystem. Not just with Google Drive, but with all sorts of cloud providers, both proprietary and open source.
Learn Bash by writing a number guessing game
Learning a new programming language can be a fun exercise.
Temporary fixes that become permanent
We asked our community for their stories about a “quick fix” that became a permanent one.
Is Linux Really Secure?
On March 29 of 2024, a security vulnerability was reported against the XZ library as CVE-2024-3094. This vulnerability creates what is known as a backdoor — a known and easy means for CR4CK3R$ to access infected systems and use them for malicious purposes. Considering this, is Linux really more secure than Windows? Is it secure at all?
Tweak your system performance with ‘noatime’
Turn off “access time” to make a slight but noticeable improvement on system performance.
How to debug a web server error with ‘wget’
The wget command line tool can provide detailed information about what’s happening on a web server.
An introduction to the Linux boot and startup processes with GPT and GRUB2
Ever wondered what it takes to get your system ready to run applications? Here’s what is going on under the hood.
How I boot FreeDOS using QEMU
QEMU is a fast and flexible virtual machine that you configure using command line options.
The real differences between less, more, and most
Find out what sets these famous Linux pagers apart from one another, and how to choose the right one for your system.
Using rsync for Backup
There are many options for performing backups. Most Linux distributions are provided with one or more open source programs especially designed to perform backups. There are many commercial options available as well. But none of those directly met my needs so I decided to use basic Linux tools to do the job.
How to update a Linux symlink
UNIX and Linux users find many uses for links, particularly symbolic links. One way that I like to use symbolic links is to manage configuration backups of various IT equipment.
Using tar and ssh for backups
Couples complement each other and each member of the couple contributes unique and irreplaceable parts to the whole. But some couples are very odd. Such is the case with this couple of commands – the tar and ssh commands.
Getting started with the Linux cat command
Cat is a fairly simple tool designed to concatenate and write file(s) to your screen, which is known as standard output (stdout). The simplest use of cat is to show the contents of a file.