Most networks automatically assign IP addresses, which is quite convenient for desktop computers. But for a server, it’s recommended to configure it with a static IP, often outside the DHCP range, so it’s always available at the same address. How do you configure this without a GUI? Let’s find out. On Ubuntu Server, the network…
Mount is an essential Linux command used to manage additional storage, whether a simple USB stick, hard drive or remote network storage. It’s not that intuitive, however, which is why I created this quick guide to help with the command syntax and the most useful options. In short, the ‘mount’ command connects an external storage…
Screen is one of the best commands I’ve learned as a developer. I can’t tell you the number of times I’ve run long PHP scripts on servers and never got the result because my computer went to sleep. Using ‘screen’ is a great way to avoid this. Screen is a program that allows multiple sessions…
Fdisk is a command line used on Linux to handle everything related to the partition table on a storage drive. But using it can be challenging, and with this kind of command, a mistake can mean losing all your data. We don’t want that, so let me explain how to use it safely. In short,…
Grep is a pretty useful command line on Linux systems, but it can be challenging to grasp its potential and exhaustive list of options. I have summarized the main things you should know about grep in this article. The ‘grep’ command on Linux is used to search for specific text within files (or standard input)….
Raspberry Pi Imager is now a must-have for any Raspberry Pi user. It allows us to flash a new system to an SD card in seconds, by simply picking the system from a list. It’s available for Ubuntu, and in this article, I’ll show you how to get the most out of it. Raspberry Pi…
The “apt” or “apt-get” commands are essential on Linux systems. But what do you do when they’re not available and all you get is a “command not found” error message? Well, I can help. The “apt-get: command not found” error most likely happens when trying to use the APT package manager on a non Debian-based…
Each service on your Linux server uses different ports (hopefully), and keeping track of them is not an easy task. Fortunately, there are easy ways to list open ports on Linux (or see whether a specific port is already taken or not). I’ve tested different methods and will give you my favorites in this short…
You’ve spent time installing your new Linux system, you’re ready to start installing packages for your projects, and then bam: “sudo command not found”. Nothing works. It’s a real bummer, but don’t worry, you’ve come to the right place. I’ll quickly explain how to fix this error. In general, the error “sudo command not found”…
I know from experience that managing a Linux server from the command-line interface can be daunting. I worked as a system administrator for years with people in my team who were using Linux for the first time. If you are in a similar situation, you might be wondering if installing a GUI would make everything…