Looking up a command while working in a shell can interrupt the task you are trying to finish. A Linux command cheat sheet groups common commands by task and gives you a starting point for using them. I’ll show how to use common Linux commands and explain how to check their options before running them.
Linux Commands Cheat Sheet: Common Tasks Read More »
An Ubuntu package install or update can be blocked while another package operation is running. The dpkg frontend lock prevents a second package operation from starting until the first one releases it. I’ll show how to check which process holds the lock and decide whether to wait or stop a confirmed stuck process. I’ll also
How to Fix Ubuntu Dpkg Frontend Lock Errors Read More »
Copying a file into place can also mean choosing its destination permissions or creating directories along the path. The GNU install utility prepares files and directories from the command line, including copying a file and creating missing parent directories. I’ll show how to set permissions on a copied file and create the directories it needs.
Install Command in Linux: Examples Read More »
To manage a torrent transfer on Linux, you need software that can open a torrent file or magnet link. Transmission is a Linux client for managing those transfers. I’ll show you how to choose and install Transmission for desktop use or as a background service, then explain when to stop that service before changing its
Install Transmission on Linux Read More »
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 »