Tips & Tricks Archives

How to Check Open Ports in Linux with netstat, lsof, and nmap

This article explains how to use the netstat, lsof, and nmap commands to find out which services are listening on which ports.

Pacman is a command-line package management tool in Arch Linux. Here's how to use it to install, remove, update, and query packages.

Need to write an ISO file to a bootable USB drive? The command line ‘dd’ tool can do that with minimal effort.

Linux has strong built-in commands to check available disk space called ‘df‘ and 'du'. Let's find out how to use them correctly.

This article explains the curl command in Linux and how to use it with examples based on best practices.

GParted is one of the most well-known GUI tools in Linux for creating, resizing, and deleting partitions on your hard drive.

Become more efficient at the command prompt with the powerful history command.

Knowing how to spin up an ssh tunnel can help you reach otherwise inaccessible networks and systems.

View available exports on an NFS server.

This article will learn how to list the installed packages on your Ubuntu system.