Howtos | UbuntuHandbook

How to Change Network Card MAC Address in Ubuntu 24.04

Last updated: April 22, 2024 — Leave a comment

This tutorial shows how to change the MAC Address, aka hardware address, for your network interface in Ubuntu 24.04. Though the title said for Ubuntu 24.04, it should work in all current Ubuntu releases, including Ubuntu 20.04 and Ubuntu 22.04.

MAC address, stands for Media Access Control address, is a unique identifier primarily assigned by device manufacturers. Therefore, it’s often referred to hardware address or physical address. However, many network interfaces support changing their MAC addresses. And, here’s how to do the trick in Ubuntu.
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In Howtos MAC Address, network

How to Install VMware Workstation Pro in Ubuntu 24.04

Last updated: December 11, 2024 — 22 Comments

Want to run an operating system in virtual machine using VMware Workstation Pro? Here I’m going to show you how to install and use it in Ubuntu 24.04 and Ubuntu 22.04 LTS.

Personally, I use Oracle Virtualbox for trying out different operating systems in as virtual machines (VMs). Some however prefer VMware workstation, which is available free for non-commercial use.

In Howtos virtual machine manager, vmware player

How to Install Dropbox in Ubuntu 24.04/22.04 Desktop & Server

Last updated: April 20, 2024 — Leave a comment

This is a step by step guide shows how to install and setup Dropbox in Ubuntu 24.04 or Ubuntu 22.04 for both Desktop and Server in command line.

Dropbox is a popular file hosting service, that provides free account with 2 GB storage and paid plans for more features. It works on multiple platforms, including Android, iOS, Linux, macOS, Microsoft Windows, Windows Phone. With it, you can store files on cloud and access through different devices, or share files to your friends easily with a link.

Dropbox for Linux provides both graphical interface (indicator applet) and command line tool, meaning it can works on both Desktop and Server editions.

In Howtos file sharing

How to Install & Update Brave Browser in Ubuntu 24.04

Last updated: April 17, 2024 — 1 Comment

This tutorial shows how to install Brave web browser in Ubuntu in 3 different ways: Snap, Deb, and Flatpak packages.

Brave is a free open-source web browser based on Chromium. It is a privacy-focused browser, which automatically blocks most ads and website trackers in the default settings.

The web browser is available for Linux in three different package formats that support amd64 (Intel/AMD) and arm64 (e.g., Raspberry Pi) platforms. They are:

Snap – universal Linux package format runs in sandbox environment.
Deb – native package format for Debian, Ubuntu, Linux Mint.
Flatpak – another universal Linux package format runs in sandbox environment.

In Howtos brave web browser, web

[Workaround] Apt Warning: Signature Key Uses Weak Algorithm

Last updated: April 16, 2025 — 9 Comments

Got weak signature key warning in apt command output? Here’s why, and how to get rid of it in Ubuntu 24.04.

After adding PPAs or third-party source repositories in Ubuntu 24.04, you may get following similar warning in apt command (usually apt update) output:

W: https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu/dists/noble/InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)

The warning may also happen in Debian and its based systems with apt package manager 2.7.13 or higher.

In Howtos apt

How to Install & Use SSH Service in Ubuntu 24.04

Last updated: April 14, 2024 — 1 Comment

This simple tutorial shows how to enable and setup Secure Shell (SSH) service in Ubuntu 24.04, so you can login remotely and transfer files securely in command console.

Debian and Ubuntu use OpenSSH (OpenBSD Secure Shell) to provide secure shell channel for making changes, transferring data, and performing other operations on server from a client remotely.

The SSH service is NOT enabled by default. And, here I’m going to how to enable and configure it in Ubuntu 24.04

In Howtos, Ubuntu Server openssh, ssh

New Features & Changes in Ubuntu 24.04 since Ubuntu 22.04

Last updated: April 25, 2024 — 2 Comments

For users who want to go directly from Ubuntu 22.04 to Ubuntu 24.04, here’s an overview of the changes between the two Ubuntu LTS releases.

Ubuntu 24.04 LTS has 5 years support until 2029, and then 7 years extended security updates (through Ubuntu Pro) until 2036. The release features Linux Kernel 6.8, and will receive feature Kernel updates in next point releases.

Linux Kernel

Ubuntu 22.04 so far has Kernel 6.5. As usual, it will backport Kernel 6.8 from 24.04 in the next point release.

Before that happens, you’ll see a list of changes between the Kernel 6.5 and Kernel 6.8, including:
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In Howtos ubuntu 24.04

How to Enable Variable Refresh Rate (VRR) in Ubuntu 24.04

Last updated: May 27, 2024 — 2 Comments

This tutorial shows how to enable variable refresh rate (VRR) to get better gaming experience in Ubuntu 24.04 with default GNOME Desktop.

Variable Refresh Rate (VRR), aka adaptive sync, is a feature that allows your monitor to adjust the refresh rate on the fly, so it matches the frame rate of output signal from the graphics card. It’s useful for games to eliminate screen tearing, and can also lowers power consumption since the monitor does not need to always refresh at the highest rate.

GNOME introduced experimental VRR since version 46 in default Wayland. Here I’m going to how to enable this feature.

Requirements:

Before getting started, you need to check something to make sure you meet all the requirements for enabling this feature.
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In Howtos Gnome

How to Install & Setup PeaZip Archive Manager in Ubuntu 24.04

Last updated: November 25, 2024 — Leave a comment

This tutorial shows how to install PeaZip file archive manager and setup file manager integration in Ubuntu Desktop.

PeaZip is a free open-source archive manager for Windows, Linux, macOS, and BSD. It’s based on open source technologies of 7-Zip, p7zip, Brotli, FreeArc, PAQ, Zstandard, and PEA projects. And, supports over 200 archive types including 7Z / XZ / TXZ, ACE (*), BZ2 / TBZ, Brotli BR, GZ / TGZ, ISO, RAR, TAR, WIM, ZIP, ZIPX, ZPAQ, Zstandard ZST and more.

The free file archiver is easy to install in Ubuntu and other Linux through its official binary package. It provides a GUI window, and integrates well into file manager context menu.

In Howtos archive manager, Peazip

Install & Manage Flatpak Apps with This Full-Featured Tool

Last updated: January 14, 2025 — Leave a comment

Have many Flatpak app packages installed on your Linux desktop or mobile? Here’s an app to install, remove, downgrade, and manage app data with a simple graphical interface.

Flatpak is getting popular in today’s Linux, and some (e.g., Linux Mint, Fedora, and Pop!_OS) even have it support out-of-the-box. User can install (or uninstall) a Flatpak package by either using system package manager or running a Linux command in terminal. And, there’s a popular graphical tool Flatseal to manage permissions for each app package.

For users who want to get more controls for their Flatpak app packages, there’s a free open-source tool warehouse available for choice.