Checking which programs are running on Linux can also mean keeping an eye on their resource use. htop is an interactive process viewer that shows process rows alongside CPU and memory meters. I’ll show you how to choose the package command for your Linux distribution and start htop from a terminal. TL;DR Install htop with
Htop Linux: Install on Common Distributions Read More »
Linux can list a directory along with entries inside its subdirectories, and that output can extend farther than you need. The tree command displays directories as an indented tree, and its -L option caps how deep that display goes. I’ll explain what recursive listing means, then show how to cap a tree listing’s depth. TL;DR
LS Recursive: Limit Depth with Tree Read More »
You have text to replace and want the match to work regardless of capitalization. sed searches input text and can replace matches, and its i substitution flag makes the search ignore capitalization. I’ll show how to choose the substitution flags and check the output before an in-place edit. TL;DR: Ignore Case with sed For a
Sed Ignore Case: Search and Replace Text Read More »
Photo editing on Linux can lead you to look for a desktop app you know from Windows. PhotoScape is a Windows photo editor, and its Linux option is a community Snap that bundles it with Wine, software that can run some Windows programs on Linux. I’ll explain how to check the package’s status before installing
PhotoScape: Install on Linux With Snap Read More »
When an Ubuntu command cannot open or run a file, the denied access may involve the file or a directory in its path. Linux file permissions determine who can use a file and traverse its parent directories. I’ll show how to identify the user and permission check behind the error, then choose a narrow permission
Ubuntu File Permissions: Fix Permission Denied Read More »
Getting a Windows game to run through Steam on Ubuntu starts with Steam Play. Steam Play is Steam’s setting for using Proton, Valve’s tool for running Windows games on Linux. I’ll show you how to enable Steam Play on Ubuntu and choose a Proton version for one game. TL;DR To run a Windows Steam game
Ubuntu Steam: Enable Proton for Windows Games Read More »
When you’re setting up an Ubuntu machine to host a website, you need the server software that can serve pages and handle dynamic content. LAMP is a web stack that uses Apache to serve requests, PHP to process pages, and MySQL to store application data. I’ll show you how to install the Ubuntu repository packages
Install LAMP Stack on Ubuntu Read More »
An installer for another operating system gives you a way to try it without replacing the Ubuntu system on your computer. VMware Workstation Pro runs that system in a virtual machine hosted by Ubuntu. I’ll explain how to install Workstation on Ubuntu and what to check if its host modules fail to start. TL;DR: Install
Ubuntu VMware Workstation Pro Installation Read More »
Opening a Linux shell on Windows starts with knowing whether a Linux distribution is already installed. WSL lets Windows run a Linux distribution, a packaged Linux environment such as Ubuntu, alongside Windows applications. This article shows how to check for an installed distribution and start the default one or choose a named distribution. TL;DR If
WSL Start: Open a Linux Distribution on Windows Read More »
Swap can be active now and return after a reboot if its boot configuration still enables it. The swapoff command turns off active swap areas, while changing the boot configuration prevents them from starting again. I’ll show you how to check active swap and keep it disabled after reboot. TL;DR Run sudo swapoff -a to
Linux Disable Swap Permanently Read More »