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Ubuntu

Screen Zoom and Mouse Indicator on Ubuntu 20.04

Filed under
Ubuntu
HowTos

Ubuntu can help you to enlarge screen items and easily display cursor movements to your audience. This article is a company to Focal For Teachers and continuation to Screen Zoom on KDE. This is practicable to every GNOME operating system not only Ubuntu but also Fedora, Red Hat, Zorin and others. You can watch practical examples in this new video below and also image editing videos I published recently. For teachers and tutorial makers, this article is for you. Enjoy!

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RPI 4 & Ubuntu MATE - Audio configuration

Filed under
Linux
Ubuntu
HowTos

If there was a problem, yo I solve it. We just did. We have audio, and that means our Pi 4 board is now becoming a proper computer in its own right. After all, I set upon this ambitious journey to transform my Raspberry into a full-experience mini desktop, and we're getting there. When I introduced my project in the first article, I promised you a bunch of guides, and I hope you're happy with the results.

We're not done. We still have a few more tasks ahead of us. I'm also going to show how to tweak the Network Manager, and we will also have a generic MATE desktop tutorial. Y'know, all the fine bits and pieces that will steer us toward a seamless, perhaps even perfect experience. Applications, themes, icons, desktop settings, the whole deal. So stay tuned for another slice of Pi. Word to your Tux.

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Canonical Outs Important Linux Kernel Security Updates for All Supported Ubuntu Releases

Filed under
Linux
Security
Ubuntu

The most important security issue fixed in this new Linux kernel update was discovered in the SELinux network label handling implementation by Matthew Sheets. This vulnerability (CVE-2020-10711) affects Ubuntu 20.04 LTS, 19.10, 18.04 LTS, and 16.04 LTS, and could allow a remote attacker to cause a denial of service (system crash).

On Ubuntu 19.10 and Ubuntu 18.04 LTS systems using either Linux 5.3 or 5.0 kernels, the new security update addresses another important vulnerability (CVE-2020-10751) discovered by Dmitry Vyukov in the SELinux netlink security hook, which could allow a privileged attacker to bypass SELinux netlink restrictions.

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Ubuntu Phone Recap 2020

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Ubuntu

I found my community at Mastodon. They share a lot about Ubuntu Phone - particularly Ubuntu Touch operating system and its current maintainer The UBPorts Project and the hardware maker PINE64. Fortunately unexpected, two interesting things come - the arrival of Volla and also Fairphone which want to be the next Ubuntu Phone and powered with the Touch. These are interesting to cover in a short summary so this article is for you who are interested in Ubuntu Phone once again. Let's go!

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Ubuntu: Make Ubuntu 20.4 Look Like MacOS, Shutter, Ceph and dmesg

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Ubuntu

  • Make Ubuntu 20.4 Look Like MacOS [You Won't Believe the End Result]

    A step by step, detailed video tutorial showing how to make Ubuntu look like macOS. Perfect example of the customization power of Linux desktop.

  • A blast from the past – Shutter

    The wheel of software turns, and apps come and go. But the end of development does not always mean the end of usefulness. Sometimes, programs stubbornly remain around, offering a complete experience that can withstand the test of time.

    Several weeks ago, we talked about how you can preserve old applications with snaps. Today, we would like to expand on this concept and talk about Shutter, a feature-rich screenshot application that was rather popular several years ago. Its development has stalled in recent years, and it has become more difficult to install and run it on newer versions of various Linux distributions. But Shutter has gained a new life as a snap.

  • Encryption at rest with Ceph

    Do you have a big data center? Do you have terabytes of confidential data stored in that data center? Are you worried that your data might be exposed to malicious attacks? One of the most prominent security features of storage solutions is encryption at rest. This blog will explain this in more detail and how it is implemented in Charmed Ceph, Canonical’s software-defined storage solution.

  • Ubuntu 20.10 Moving Ahead In Restricting Access To dmesg

    Following the discussions last month over restricting access to dmesg / kernel logs on Ubuntu in matching the behavior of other Linux distributions for better security practices, Ubuntu 20.10 indeed is moving forward with these plans where dmesg access would require root privileges.

    In recent times more Linux distributions have been restricting access to dmesg over the possibility of kernel addresses being leaked or other potentially sensitive bits while as it stands now on Ubuntu there is free reign on multi-user systems to have unprivileged users read dmesg output.

There’s No Ubuntu 32-bit ISO. What Now?

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Ubuntu

You’ve searched high and low but can’t find an Ubuntu 32-bit ISO. That’s because it doesn’t exist. Canonical decided to drop support for 32-bit computers, so they stopped releasing 32-bit ISOs since Ubuntu 18.04. And they’re not the only ones.

Initially, this may sound strange since Linux is famous for supporting older hardware. And yet, it’s justified by the last 32-bit CPU being produced more than a decade ago.

If your PC is so old that it doesn’t support 64-bit software, you have only three possible paths forward. Let’s see your options.

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Ubuntu 19.10 (Eoan Ermine) Will Reach End of Life on July 17th, 2020

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Ubuntu

Launched last year on October 17th, Ubuntu 19.10 (Eoan Ermine) shipped with the Linux 5.3 kernel series, the GNOME 3.34 desktop environment, initial support for ZFS as the root file system via the installer, support for DLNA sharing, WPA3 support, as well as Yaru light and dark themes.

Since it’s not an LTS (Long Term Support) release, Ubuntu 19.10 was mainly a testbed for Canonical to try new features. This also translates to the release not having any major changes and receiving only 9 months of support.

Therefore, on July 17th, 2020, Canonical will no longer support Ubuntu 19.10. This means that they will cease to provide software updates and security fixes for the distribution.

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Raspberry Pi SBC Now Supports OpenVX 1.3 Computer Vision API

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Linux
OSS
Ubuntu

OpenVX is an open, royalty-free API standard for cross-platform acceleration of computer vision applications developed by The Khronos Group that also manages the popular OpenGL ES, Vulkan, and OpenCL standards.

After OpenGL ES 3.1 conformance for Raspberry Pi 4, and good progress on the Vulkan implementation, the Raspberry Pi Foundation has now announced that both Raspberry Pi 3 and 4 Model B SBC’s had achieved OpenVX 1.3 conformance (somehow dated 2020-07-23).

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Between Two Releases of Ubuntu 20.04 and Fedora 32

Filed under
Red Hat
Ubuntu

Both Ubuntu Focal Fossa and Fedora 32 released in the same time April this year. They are two operating systems from different families namely Debian and Red Hat. One of their most interesting things in common is the arrival of computer companies like Dell and Star Labs (and Lenovo's coming) that sell special preinstalled laptops and PCs. I make this summary to remind myself and inform you all growth of these great operating systems. Enjoy!

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Linux on the OneGx1 mini laptop: Running Ubuntu 20.04

Filed under
Linux
Ubuntu

The One Netbook OneGx1 mini laptop is an unusual little computer that features a 7 inch display, an Intel Core i5-10210Y quad-core processor, and a physical design clearly inspired by gaming laptops. It supports an optional set of detachable game controllers that can clip onto the sides of the device. And One Netbook offers the OneGx1 with optional support for 4G LTE or 5G cellular networks.

As I discovered after spending a few days testing the OneGx1, it offers decent performance for general purpose computing, but gaming is a bit of a mixed bag. But that was with Windows 10. What about other operating systems?

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Dillo: Does This Ultra-Lightweight Browser Still Work in 2020?

Before jumping in, you should know exactly what Dillo doesn’t include, just to temper your expectations. Dillo does not include Flash, Java, or Javascript and only has limited support for frames. It also doesn’t allow you to create a user profile. Presumably, that will be most of the modern Internet out of the picture, but who knows? We’ll see. The advantage of all that feature-cutting is that it will run on almost anything – even a 486 with dial-up Internet. Running at idle, Dillo was using 2.9 MB of RAM and 9.5 MB of shared memory, which is microscopic compared to the gigs of RAM used by modern browsers. If you’re willing to trawl the Internet, people have run it on Mac, DOS, and a bunch of Unix variants, but now the website just has source tarballs, mostly focusing on Linux. It can also run on Windows, but the Dillo team actively dislikes the platform! Read more

Will LibreOffice 7.0 be only Personal Edition for individual use???

Look at LibreOffice logo with "Personal Edition" phrase, look at sidebar in Start Center with the same phrase and note to "The Personal edition is supported by volunteers and intended for individual use." And what is mean? Where is any public announcement? They say it was in marketing mail list. How many people read that mail list? Five? It means that I can't install LibreOffice 7.0 in any organization in Russia, because our controlling people will be see very simple to legality in this case: open the About dialog -> read that "intended for individual use" and LibreOffice logo with "Personal Edition" -> you can't use LibreOffice here! Nobody will check what say MPL 2.0 license about it or why TDF made it, they just point a finger at it and they will be right! It will close for LibreOffice any education organizations like schools or colleges or universities. I wont popularize LibreOffice for young people because they will never see LibreOffice in them schools. I against these changes. Please revoke it! Read more