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 ..read more

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 unive ..read more

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. Due to crypto policy update, apt now (since v2.7.13, see the co ..read more

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 ..read more

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 thi ..read more

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 ..read more

After more than a year of development, Kodi media player 21, code-name “Omega”, is finally released! Kodi 21 is a new major release. It’s now based on FFmpeg 6.0, that features Radiance HDR image support, VAAPI decoding and QSV decoding for 10/12bit 422, 10/12bit 444 HEVC and VP9, MediaCodec decoder, and various other exciting new features, see ffmpeg.org for details. For macOS, the release supports HiDPI (retina) displays using its native implementations for window displays. And, it fixed crash on speech recognition activation, improved window resizing when moving (or fallback when display d ..read more

FFmpeg announced new major 7.0 release yesterday! Here’s how to install it in Ubuntu 22.04, Ubuntu 24.04, Linux Mint 21. The new version of this popular multi-media library came with name “Dijkstra”. It features native decoding support for VVC (aka H.266) through the libavcodec library, though it’s so far experimental. The libavformat library can now read and write IAMF (Immersive Audio) files. And, a new -stream_group option is added into CLI tool to configure the IAMF structure. As announced at the end of last year, the CLI (command-line) tool now is multi-threaded. Meaning, the transcoding ..read more

This is a step by step guide shows how to install Discord instant messaging app and keep it up-to-date in Ubuntu 24.04 LTS. Discord is a popular instant messaging and VoIP social platform, that supports voice & video calls, text messaging, media and files. It works in Windows, Linux, macOS, Android, iOS/iPadOS, and web browser. Discord for Linux so far supports only x86_64 (AMD/Intel CPUs) platform with following packages: Deb – native for Debian/Ubuntu. tar.gz – portable package for most Linux. Flatpak – runs in sandbox for most Linux. Snap – runs in sandbox for most Linux. Difference ..read more

The Beta release of Ubuntu 24.04, Noble Numbat, has been pushed to April 11, 2024, one week after the previous date (April 4, 2024)! It’s because an attack publicly disclosed on March 29, 2024. An attacker using the name “Jia Tan” installed a backdoor into liblzma library. It’s a part of xz, which happens to be a dependency of OpenSSH in Debian, Ubuntu, Fedora, etc. The backdoor sends hidden commands at the start of an SSH session, allowing the attacker to run an arbitrary command on the target system without logging in. Russ Cox, Google’s Golang developer, post a page talking about timeline ..read more