Ubuntu Server: Connect to Wi-Fi from command line

Connecting to a Wi-Fi network via the command line is a useful feature on Ubuntu Server or other Ubuntu installations that do not have a desktop environment installed. This allows headless systems to utilize Wi-Fi connectivity instead of being limited to wired connections. GUI systems can, of course, use this trick as well, but it would usually be easier to click through the built-in method provided by the desktop environment.

Read more

Ubuntu Remote Desktop Access from Windows 10/11

Ubuntu Remote Desktop Access from Windows 10/11

Remote desktop is a feature that allows a user to log into another system and control it the same way they would if they were sitting right in front of it. You are able to see the screen exactly as it appears on the remote system itself, and use the keyboard and mouse. Windows 10/11 and Ubuntu both have remote desktop options, and although the operating systems are vastly different, we can use protocols like RDP and VNC to remotely access an Ubuntu system from Windows.

Read more

Ubuntu 20.04 GUI installation

The purpose of this tutorial is to install a desktop environment GUI on Ubuntu 20.04 focal fossa, whether you already have a GUI installed and wish to use a different desktop environment, or if you are only using the command line and would like access to a GUI. You can also use these instructions to install a GUI on Ubuntu Server 20.04, which doesn’t have a desktop environment installed by default. Follow along with our instructions below to install a GUI on Ubuntu 20.04 Focal Fossa Server and Desktop.

Read more

How to Install CUDA on Ubuntu Linux

How to Install CUDA on Ubuntu Linux

The Nvidia CUDA toolkit is an extension of the GPU parallel computing platform and programming model. The Nvidia CUDA installation consists of inclusion of the official Nvidia CUDA repository followed by the installation of relevant meta package and configuring path the the executable CUDA binaries. In this tutorial, you will see how to install CUDA on Ubuntu Linux. This will get your video graphics running with the latest drivers and software available.

Read more

How to install Gnome on Ubuntu 20.04 LTS Focal Fossa

GNOME is the default desktop environment for Ubuntu 20.04. If you don’t yet have a desktop environment installed (as is the case for Ubuntu Server), or have a different GUI and would like to install gnome on ubuntu, it’s very easy to do. GNOME includes a variety of desktop applications and its aim is to make a Linux system easy to use for non-programmers. In this tutorial, you will learn how to install the GNOME desktop environment on Ubuntu 20.04 focal fossa Linux.

Read more

How to reset Kali Linux root password

It’s possible to reset Kali Linux password in the event that you are no longer able to login to the root user account. This happens if you haven’t logged in for a while and have since forgot Kali Linux password. In case you have not already tried, the default Kali password for root user is toor (root backwards) on VMWare and live images. Try logging in with this password before resetting the Kali Linux password.

Read more

How to create a hot standby with PostgreSQL

How to create a hot standby with PostgreSQL

With databases such as PostgreSQL, the need may arise to scale and provide high availability. If the database does not have a backup which can take its place in case of failure, then all of your operations that depend on the database can be affected from just a single point of failure. Even with virtual systems, there may be a time when you can’t add more resources to a single machine to cope with the ever-increasing load.

Read more

How to gain access to a MAC whitelist WiFi network

MAC address whitelisting sounds like a great way to prevent unauthorized access to your wireless network, but it does not work as well as you might think. The purpose of this guide is to demonstrate exactly how easy it is to spoof a whitelisted MAC address and gain access to a restricted network. In the steps below, you will see how to spoof a MAC address to gain access to MAC whitelisted network on Kali Linux.

Read more

How to Install MakeMKV On Fedora Linux

How to Install MakeMKV On Fedora Linux

MakeMKV is a powerful tool for working with DVDs and Blu-Ray. In fact, it is probably the most reliable way to work with and play Blu-Ray on a Linux system. MakeMKV is partially open source and partially proprietary. It is not distributed in Fedora’s repositories, which makes it a bit trickier to install it than some other applications.

Read more