Mozilla Firefox is, without a doubt, the most popular web browser on Linux systems. It’s even installed as the default web browser on the vast majority of Linux distributions, including Debian Linux.
debian
/etc/network/interfaces to connect Ubuntu to a wireless network
If you want to connect to a wireless network on Ubuntu or any other Debian based Linux distro, one of the many ways to do it is by editing the /etc/network/interfaces file with your Wi-Fi network info.
This is a command line only method, so it’s very useful if you don’t have a GUI installed on the system but need to get on to the WiFi network.
How to blacklist a module on Ubuntu/Debian Linux
There may be a time when you need to disable some kernel modules from being loaded during your Linux system’s boot time. In this guide, we will discuss a few different ways to blacklist a module, including its dependencies, on Ubuntu and any other Debian based distros. This will effectively permanently disable a module from loading during the boot time.
In this tutorial you will learn:
- How to blacklist a kernel module on Ubuntu/Debian-based Linux distros
How to install NVIDIA CUDA on Debian 10 (buster)
In this tutorial we will be be installing NVIDIA CUDA on Debian 10 (buster) Linux. We will perform direct network installation from the CUDA developer repository.
In this tutorial you will learn:
- How to install CUDA
- How to confirm CUDA installation
How to change hostname on Debian Linux
The hostname of a Linux system is important because it’s used to identify the device on a network. The hostname is also shown in other prominent places, such as in the terminal prompt. This gives you a constant reminder of which system you’re working with. It’s a real life saver when you’re managing multiple systems through SSH and those command line terminals start to blend together in your mind.
Of course, IP addresses are used when devices need to communicate with each other, but those can change frequently. Hostnames give us a way to know which device we’re interacting with either on the network or physically, without remembering a bunch of numbers that are subject to change. Thus, it’s important that your system bears a hostname which helps you to identify it quickly. For example, “backup-server” is much more informative than “server2.” If you can’t easily identify a system’s purpose from the hostname, it’s time to change it.
In this guide, we’ll show you how to change the hostname on Debian Linux. Changing the hostname can be done either by command line or GUI, and we’ll show you the steps for both methods below.
In this tutorial you will learn:
- How to change the Debian hostname from command line
- How to change the Debian hostname from GNOME GUI
Changing the hostname on Debian Linux
How to use apt search Linux command
One of the most attractive features of running a Linux system is the instant access to thousands of packages that are able to be installed from the Linux distro’s package manager.
Installing packages is really easy. That is, as long as you know the name of what you’re trying to install. If you don’t, then you can always search for installable packages. On distros that use the apt package manager, like Debian, Ubuntu, and Linux Mint just to name a few, this is done with the apt search command.
In this guide, we’ll show you how to use the apt search command with multiple examples. You’ll quickly learn to master the task of finding packages to install.
In this tutorial you will learn:
- How to search for packages with apt
How to use bridged networking with libvirt and KVM
Libvirt is a free and open source software which provides API to manage various aspects of virtual machines. On Linux it is commonly used in conjunction with KVM and Qemu. Among other things, libvirt is used to create and manage virtual networks. The default network created when libvirt is used is called “default” and uses NAT (Network Address Translation) and packet forwarding to connect the emulated systems with the “outside” world (both the host system and the internet). In this tutorial we will see how to create a different setup using Bridged networking.
In this tutorial you will learn:
- How to create a virtual bridge
- How to add a physical interface to a bridge
- How to make the bridge configuration persistent
- How to modify firmware rules to allow traffic to the virtual machine
- How to create a new virtual network and use it in a virtual machine
How to use bridged networking with libvirt and KVM
How to install Debian on an existing LUKS container
LUKS (Linux Unified Key Setup) is the de-facto standard encryption method used on Linux-based systems. While the Debian installer is perfectly capable of creating a LUKS container, it lacks the ability to recognize and therefore re-use an already existing one. In this article we see how we can workaround this problem using the “DVD1” installer, and running it in “advanced” mode.
In this tutorial you will learn:
- How to install Debian in “advanced-mode”
- How to load the installer additional modules needed to unlock an existing LUKS device
- How to perform the installation on an existing LUKS container
- How to add an entry in the crypttab file of the newly installed system and regenerate its initramfs
How to setup vsftpd on Debian
Vsftpd is the acronym of Very Secure FTP Daemon: it is one of the most used ftp servers on Linux and other Unix-like operating systems. It is open source and released under the GPL license, and supports virtual users and SSL for data
encryption. In this tutorial we will see how to install it and configure it on Linux.
In this tutorial you will learn:
- How to install vsftpd on Debian 10
- How to configure vsftpd
- How to setup anonymous usage
- How to setup login with local users
- How to setup virtual users
- How to setup ufw to allow incoming traffic
apt update vs apt upgrade
If you ever work with Debian Linux or one of the many Linux distributions that were derived from it, such as Ubuntu, you’ve probably seen or used the APT package manager. APT is how packages are installed, updated, and removed on such systems.
When using the command line, the apt update and apt upgrade commands can be used to update package repos and upgrade packages, respectively. In this guide, we’ll be looking at the difference between the two commands and how they can both be used to upgrade installed packages on a Debian based system.
You may also see
apt-get update and apt-get upgrade commands used. We’ve written a full article explaining the difference between apt and apt-get, but suffice it to say that these commands perform basically the same functions as the corresponding apt commands. In this tutorial you will learn:
- What distros use apt update and apt upgrade?
- What is the difference between apt update and apt upgrade?
How to unrar in Ubuntu
Files with a .rar extension are compressed archives, much like a .tar.gz or .zip file. It’s one of many file compression formats that rose to popularity over the years, but requires its own utility to use.
You may have an individual .rar archive such as file.rar, but RAR archives are also known for being split into multiple files, such as file.rar, file.r00, file.r01, etc. In these cases, it’s necessary to open the file.rar file, which will then automatically combine the rest of the files into a single archive and extract its contents.
In this guide, we’ll see how to extract files from a RAR archive on Ubuntu Linux. This will work whether you have an individual .rar file or an archive that’s been split into a sequence of files.
In this tutorial you will learn:
- How to install unrar utility
- How to use unrar utility to open rar files
Elementary OS Linux download
Elementary OS is based on Ubuntu and belongs to the Debian family of Linux distributions. For other most popular Linux distributions, please visit our dedicated Linux download page.
Elementary is reminiscent of Linux Mint, an Ubuntu derivative with an extra dose of user friendliness. It’s a great distro for those looking to dip their toe into the Linux pool, before moving on to a more robust distro.
The developers of Elementary have taken big strides to ensure a user friendly experience. Elementary includes a custom desktop environment called Pantheon, along with custom apps for Photos, Music, Videos, and all the other essentials. Pantheon has some unique features that can help you keep your desktop clean and increase your workflow, namely multi-tasking views, picture in picture, and do not disturb mode.
The file browser is also unique, with a built in search feature and options to categorize the files and applications. Being part of the Debian family allows new software to be installed in terminal via the APT package manager, but there’s also Elementary’s AppCenter, which features only the applications that Elementary has approved and certified as privacy-respecting and secure.
Elementary is big on privacy and has a few components to help you monitor the applications on your system. It helps you keep tabs on apps that utilize your microphone or location, so you are notified of misbehaving and untrustworthy software. The operating system also tidies up your cache files automatically to free up space and clear potentially private data.