What are the essential Ubuntu commands? I have been asked this question several times by regular readers, and I have tried to avoid answering it. Why? Don’t I know Ubuntu commands? Nope. That’s not the reason. It is because it is difficult to categorize them. What’s essential to me may not be essential to you. But I guess that applies to … [Read more...] about 31 Linux Commands Every Ubuntu User Should Know
linux
How to View AVIF Images in Ubuntu and Other Linux Distributions
PNGs are the best when it comes to quality but they are huge in size and hence not ideal for websites. JPEGs reduce the file size but they reduce the quality of the images significantly. WebP is a relatively newer format that produces better-quality images with significantly smaller sizes. Now, AVIF is a new file format that compresses … [Read more...] about How to View AVIF Images in Ubuntu and Other Linux Distributions
How to Create Custom Linux Mint or Ubuntu ISO
Installing Linux Mint is not a big deal. It’s the things to do after installing Linux Mint that could feel tiresome. And if you have to do the same on more than one system, it gets frustrating. Imagine having several computers in your home, lab, or institution. And all of them need to have similar configurations and applications. Now … [Read more...] about How to Create Custom Linux Mint or Ubuntu ISO
How to Flush DNS in Linux
You can flush the DNS cache on a systemd-based Linux computer with the "resolvectl flush-caches" command. If you use dnsmasq, you can clear the DNS using "sudo killall -HUP dnsmasq" instead. Is your internet browsing experience slow on your Linux device, or are the websites you’re visiting outdated or the wrong website altogether? Let’s … [Read more...] about How to Flush DNS in Linux
How to Find the PID of a Linux Process With pidof or pgrep
To find the process ID of a Linux process, use the pidof command, like this: "pidof examplename". If you only know part of the PID name, you can use "pgrep examplenamefragment" instead. Replace "examplename" and "examplenamefragment" with the terms you want to search for. Working with a Linux process often means knowing its process ID, or PID. … [Read more...] about How to Find the PID of a Linux Process With pidof or pgrep
How to Get Your Public IP in a Linux Bash Script
You can get your external IP from a website with the curl command like "curl -s ifconfig.me". However, websites can change. For a more reliable answer, use the dig command instead like "dig @resolver1.opendns.com myip.opendns.com +short" to get your IP from a DNS server. You’ll need your external IP address if you want to remotely connect to … [Read more...] about How to Get Your Public IP in a Linux Bash Script
7 Mistakes New Linux Users Make (and How to Avoid Them)
Learning Linux can be a frustrating experience where everything little thing feels like a battle. Avoiding these common mistakes will make your introduction and adoption of Linux much easier and less stressful. Welcome to Linux, Here Be Dragons Using Linux is much simpler than it used to be, but it can still confound new users. It has long held … [Read more...] about 7 Mistakes New Linux Users Make (and How to Avoid Them)
How to install ADB on Windows, macOS, and Linux
Several features of the Android platform can be accessed only through paths and methods that are hidden away from the average user. These have generally been done with the help of some command line Android Debug Bridge (ADB) commands, a tool that Google offers for developers to debug various parts of their applications or the system, but which we … [Read more...] about How to install ADB on Windows, macOS, and Linux
Linux Kernel 6.0 Released! How to Install it in Ubuntu 22.04
Linux Kernel 6.0 was released hours ago! Here are the new features and how to install instructions for Ubuntu 22.04. “So, as is hopefully clear to everybody, the major version number change is more about me running out of fingers and toes than it is about any big fundamental changes.” Linus Torvalds announced. New Features in Linux Kernel … [Read more...] about Linux Kernel 6.0 Released! How to Install it in Ubuntu 22.04
How to Use AppImages on Linux
AppImages let Linux developers wrap their applications into a single file that installs on any Linux distribution. That simplifies things tremendously. Here’s how to use them, and integrate them into your desktop. Installing Software on Linux Installing software should be simple and convenient. How simple and how convenient that turns out to be … [Read more...] about How to Use AppImages on Linux