When working on Linux, it’s common to need to verify whether a file exists. For this purpose you can use the ls command. The ls command is a simple way to check if a file exists. Output: The fol...
Quick Linux guide
Quick Linux Guide: Ubuntu workspaces
A workspace is a virtual desktop that allows you to organize and manage open applications more effectively. Workspaces are particularly useful for users who run multiple applications simultaneously, a...
Quick Linux Guide: How to install .*deb files
To install a .deb file you can use the dpkg command-line tool. dpkg is a package manager for Debian-based systems like Debian, Ubuntu, and their derivatives. It is used to install, remove, and manage ...
Quick Linux Guide: Getting File Hashes
A hash is a cryptographic function that takes an input (or “message”) and returns a fixed-size string of bytes, typically represented as a hexadecimal number. It’s used to verify dat...
Quick Linux Guide: How to Optimize and Monitor Your Linux System
Stacer Stacer is a system optimizer and monitoring tool for Linux distributions. It provides a graphical interface to manage various aspects of their system, including system cleanup, resource monitor...
Quick Linux guide: Checking Port Availability on Linux
Regularly checking port availability can help identify any unexpected open ports, which could indicate unauthorized access or a security vulnerability. If a service or application isn’t working ...
Quick Linux Guide: Ubuntu Software and Application Updates – How to Fix an Update Error: Unable to Update
Snap is a cross-platform packaging and deployment system developed by Canonical, the maker of Ubuntu, for the Linux platform. It’s compatible with most major Linux distros, including Ubuntu, Debian,...