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Wednesday, 26 Feb 20 - Tux Machines is a community-driven public service/news site which has been around for over a decade and a half and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Leap 15.2 Enters Beta Builds Phase

Filed under
SUSE

openSUSE Leap 15.2 entered the Beta phase last week and has already released two snapshots with the release of build 581.2 and build 588.2. Leap has a rolling development model until it’s final build, so multiple builds will be released according to the road map until the gold master is released, which is scheduled for May 7.

There are no concrete milestones in the rolling development model. As bugs are fixed and new packages introduced or excluded, snapshots of the latest beta phase builds will be released once they pass openQA testing.

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Android Leftovers

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Android

How to use HomeBank for your open source alternative to Quicken

Filed under
OSS

A while ago, I used Quicken to manage my finances. It's proprietary software, and year after year, it cost me more and more money for upgrades. Eventually, I realized it isn't prudent to take away from my budget to help me control my budget.

Fortunately, I learned about HomeBank while reading an article about open source money management tools. HomeBank is free personal banking software. It runs on Linux, Windows, and macOS, and it's offered in 56 different languages. These advantages ensure it's available to you no matter your choice of operating system and the language you speak.

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3 eBook readers for the Linux desktop

Filed under
Linux

I usually read eBooks on my phone or with my Kobo eReader. I've never been comfortable reading books on larger screens. However, many people regularly read books on their laptops or desktops. If you are one of them (or think you might be), I'd like to introduce you to three eBook readers for the Linux desktop.

Bookworm is billed as a "simple, focused eBook reader." And it is. Bookworm has a basic set of features, which some people will complain about being too basic or lacking functionality (whatever that word means). Bookworm does one thing and does it well without unnecessary frills.

The application's interface is very clean and uncluttered.

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Best Open Source Slack Alternatives for Team Communication

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OSS

You are here: Home / List / Best Open Source Slack Alternatives for Team Communication
Best Open Source Slack Alternatives for Team Communication
Last updated February 25, 2020 By Ankush Das Leave a Comment

Brief: Here, we shall take a look at the best open source slack alternatives that you can choose to communicate with your team at work.

Slack is one of the most popular team communication services for work. Some may call it a glorified IRC but that doesn’t impact its popularity.

It is available for free with additional features offered in its paid plans. Though Slack can be installed on Linux thanks to an Electron app but it is not open source, neither the client nor the server.

In this article, I’ll list a few open source Slack alternatives that you can try.

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Dual-Boot GNU/Linux and Android

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OS
Android
GNU
Linux
  • Planet Computers' clamshell phone can dual-boot Android and Linux

    Planet Computers' laptop-like Cosmo Communicator phone just became that much more useful to its audience of very particular power users. The Cosmo now supports a promised multi-boot function, letting you run Android (both regular and rooted), Debian Linux and TWRP on the same device without one replacing the other. You'll have to partition your storage and know your way around a boot menu, but this will give you a way to run Linux apps or otherwise experiment with your phone.

    You won't lose over-the-air updates for Android by installing Linux, Planet Computers said.

    The multi-boot firmware is available for free, and there are instructions for installing Debian and other software. This still isn't for the faint-hearted. However, it also represents one of the few instances where a phone maker has officially enabled support for operating systems besides the one that ships with the device. The Cosmo is also fairly well-suited to Linux thanks to its keyboard -- you won't have to jump through hoops to use the command line.

  • How can IT manage Android Things devices in the enterprise?

    Recent versions of Google's Android OS support a wider range of devices via the Android Things program's APIs and managing some of the newer devices can seem complicated at first.

    Thankfully, the underlying OS is essentially the same on all Android devices, so the EMM platform management and enrollment processes are usually similar for Android Things devices. The challenge for mobile admins is to develop a version of Android -- using the Android SDK and Android Things APIs -- that functions on these dedicated devices.

Update on Linux support: creation of a CERN Linux community forum

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GNU
Linux
Sci/Tech

For those, a CERN Linux community forum has been created. Users will be able to post issues that they encounter when using non-CERN-supported Linux distributions and to post solutions. Users are also encouraged to post articles with comments and ideas that could help make this forum more dynamic and useful to them.

Various methods for printing and using AFS, SSH, ROOT and other tools at CERN can be found on the internet. The CERN Linux community forum aims to collect these methods, as well as new ones that may be created directly in it.

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Python Programming

Filed under
Development
  • Introduction to Python SQL Libraries

    All software applications interact with data, most commonly through a database management system (DBMS). Some programming languages come with modules that you can use to interact with a DBMS, while others require the use of third-party packages. In this tutorial, you’ll explore the different Python SQL libraries that you can use. You’ll develop a straightforward application to interact with SQLite, MySQL, and PostgreSQL databases.

  • Introduction to Image Processing in Python with OpenCV

    In this tutorial, we are going to learn how we can perform image processing using the Python language. We are not going to restrict ourselves to a single library or framework; however, there is one that we will be using the most frequently, the Open CV library. We will start off by talking a little about image processing and then we will move on to see different applications/scenarios where image processing can come in handy. So, let's begin!

  • Talking to API's and goodlooking tools

    One of my go-to locations for security news had a thread recently about a tool called VTScan. I really liked the idea of not having to go through the browser overhead to check files against multiple scan engines.

    Although the tool (which is itself a basic vt-cli spinoff) already existed, I was looking for a new challenge, I decided to roll my own and add a few cool features! I'll have a thorough look at how python talks to API's with requests and I look at turning all this API data into a nice GUI application with click. I hope to give you some idea's for CLI styling in the future so I can see more awesome tools by you all!

  • From a rejected Pycon talk to a new project.

    Like many others, my talk proposal (early draft here) for Pycon US was rejected. So, I decided to spend some time putting everything in a new project instead. (Documentation here.) It is still a rough draft, but usable ... and since I've mentioned it in a few other places, I thought I should mention it here as well.

Games: Humble Store, Bully: Scholarship and DOSBox

Filed under
Gaming
  • Humble Store has a 'Tabletop Sale' going, some good Linux games on offer

    It's the start of another glorious week for Linux gaming and another big sale is going on again. Over on the Humble Store, they have a Tabletop Sale now live.

  • How to play Bully: Scholarship Edition on Linux

    Bully: Scholarship Edition is a remaster of Rockstar Game’s “Bully,” a game about a young kid working his way through the social hierarchy of high school, meeting girls, making friends, and causing mischief. The game is an open world, which is typical of Rockstar. Here’s how to get it working on your Linux PC.

  • DOSBox – Run classic DOS games on your Linux PC

    DOSBox is an open-source software that creates a virtual MS-DOS compatible environment, including sound, graphics, and basic networking. It enables you to run DOS applications without any modifications.

    Using this wonderful app, you can run your classic DOS games and compilers like Wolfenstein 3D, Prince of Persia, Turbo C++, and MASM on your Linux PC.

    DOSBox makes use of Simple DirectMedia Layer (SDL), a library designed to allow low-level access to hardware components like a mouse, keyboards, sound system, and graphics. It has made the whole process of porting easier to various platforms. Currently, DOSBox runs on several platforms like different Linux, Windows, and macOS.

The CLA Denial-Of-Service attack

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OSS
Legal

Obviously, there's a flaw in that logic. A CLA is an agreement between a project and a (new) contributor. A project does not absolutely requires the contributor to sign the agreement to accept its contributions, in theory. It's the reverse: for the contributor to have their patch accepted, they need to accept the CLA. But the project could accept contributions without CLA without violating the law.

But it seems that projects sometimes end up doing a DOS on themselves by refusing perfectly fine contributions from drive-by contributors who don't have time to waste filling forms on all projects they stumble upon.

In the case of this typo, I could have submitted a patch, but because I didn't sign a CLA, again, the project couldn't have merged it without breaking their own rules, even if someone else submits the same patch, after agreeing to the CLA. So, in effect, I would have DOS'd the project by providing the patch, so I just opened an issue which strangely — and hopefully — isn't covered by the CLA.

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IPFire 2.25 - Core Update 141 released

The first exciting big update of the year is ready: IPFire 2.25 - Core Update 141! It comes with a totally reworked DNS system which adds many new features like DNS-over-TLS.

On top of that, this update fixes many bugs.

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Also: IPFire Open-Source Linux Firewall Gets a Revamped DNS System

IPFire

GIMP 2.10.18 Officially Released, Here’s What’s New

Filed under
GNU

GIMP 2.10.18 comes three months after version 2.10.14, which probably most of you out there are running on your GNU/Linux distributions, but the development team released version 2.10.16 a week ago without announcing anything official. Now, GIMP 2.10.18 is here, and we finally have details about the new features that were implemented during this cycle.

Without any further ado, the highlights of the GIMP 2.10.18 release include a new 3D Transform tool to let users rotate and pan items in 3D space (you can check it out in action below), a new high-contrast symbolic theme, a new “Composited Preview” option for most transformation tools, and the ability to group tools by default in the toolbox, which is enabled by default after you update to this version.

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Claws Mail 3.17.5 Open-Source Email Client Released with New Features

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OSS

Coming seven months after the previous release, Claws Mail 3.17.5 is here to implement colour syntax highlighting support for inline Git patch attachments, which can be configured via the “Other” tab in the Display/Colors page under General Preferences.

It also adds the ability to scroll with the keyboard in the LiteHtml viewer plugin and the “Re-edit” message context menu option was reimplemented and will be visible in the Drafts folder.

Furthermore, Claws Mail 3.17.5 adds support for two extra date header formats, namely weekday, month, day, hh, mm, ss, year, zone and weekday, month, day, hh, mm, ss, year, and lets users configure the “summary_from_show” hidden preference from the user interface via the “Message List” tab in the Display/Summaries under General Preferences.

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Even better screencast with GNOME on Wayland

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GNOME

With last week’s release of PipeWire 3, and Mutter’s subsequent adaptation to depend on it, I decided to revive something I have started to work on a few months ago. The results can be found in this merge request.

PipeWire 0.3 brings one very interesting and important feature to the game: it can import DMA-Buf file descriptors, and share it with clients. On the client side, one easy way to make use of this feature is simply by using the pipewiresrc source in GStreamer.

The key aspect of DMA-Buf sharing is that we avoid copying images between GPU and CPU memory. On a 4K monitor, which is what I’m using these days, that means it avoids needlessly copying almost 2GB of pixels every second.

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The Current RADV+ACO Mesa Driver Performance For February 2020

Filed under
Graphics/Benchmarks

As it's been a few weeks since last running a Mesa open-source driver comparison on AMD Radeon graphics hardware, here are some fresh Mesa 20.1-devel benchmarks just a few weeks so far after the Mesa 20.0 branching. These latest Mesa 20.1-devel benchmarks were also run a second time when enabling the RADV ACO shader compiler back-end that's been a focus by Valve developers in enhancing the Linux gaming experience. These results are compared to Mesa 19.2.8 as a baseline for the open-source driver support offered out-of-the-box by Ubuntu 19.10.

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Tiny, Linux-powered Sitara module has dev kit with dual GbE

Filed under
Linux

MYIR’s 50 x 40mm, -40 to 85°C tolerant “MYC-C335X-GW” module runs Linux on TI’s AM335x with up to 1GB RAM and 4GB eMMC. It can be extended with a “MYD-C335X-GW” carrier with GbE plus optional SFP.

We don’t see many Texas Instruments Sitara AM335x boards anymore, but if you’re still interested in this low-power, industrial-focused Cortex-A8 SoC, which powers all the BeagleBones except the new BeagleBone AI, MYIR has you covered. The 50 x 40mm (2,000 sq. mm) MYC-C335X-GW module is its smallest AM335x module yet, edging out the 65 x 35mm (2,275 sq. mm) MCC-AM335X-Y and larger, 70 x 50mm MYC-AM335X. (MYIR also supports other TI Sitara SoCs, such as the Cortex-A9 based AM437x in its MYC-C437X module.)

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Whiskey Lake SBC has triple GbE and dual HDMI ports

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Linux

Like most of its 3.5-inch Whiskey Lake competitors, the Wafer-ULT5 offers up to 32GB DDR4-2400 and supports triple independent displays. While most of its rivals provide dual DisplayPorts or combinations of DP and HDMI, IEI is the first to provide dual standard HDMI ports, which are accompanied by an LVDS connector.

Like ASRock’s SBC-350, Commell’s LE-37N, and Ibase’s IB919, the Wafer-ULT5 provides 4x USB 3.1 Gen 2 host ports at up to 10Gbps. (Congatec’s Conga-JC370 has three, including its Type-C port.)

The Wafer-ULT5 is equipped with an M.2 A-key 2230 socket and a full-size mini-PCIe slot. The others either offer the same combo or dual M.2 slots except for the Conga-JC370, which supplies 3x M.2 plus a mini-PCIe. No OS support was listed, but Linux should fit in just fine here.

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Bosch Rexroth adopts Ubuntu Core and snaps for app-based ctrlX Automation platform

ctrlX Automation leverages Ubuntu Core, designed for embedded devices, and snaps, the universal Linux application containers, to deliver an open source platform to remove the barriers between machine control, operation technology and information technology, or OT-IT. Industrial manufacturing solutions built on ctrlX Automation with Ubuntu Core and snaps will benefit from an open ecosystem, faster time to production and stronger security across devices’ lifecycle. Through the use of an open architecture, industrial machine manufacturers selecting ctrlX Automation are freed from being tied to PLC specialists and proprietary systems with the software being decoupled from the hardware. Read more

Cosmo Communicator 2-in-1 Phone/Mini Laptop can now Dual Boot Debian Linux and Android

The Cosmo Communicator was released as a crowdfunded handheld device mixing smartphone and a small laptop features such as keyboard and display. It was launched in late 2019 and ran Google Android. The original units were shipped and fulfilled the requirements of the crowdfunding campaign, but still were missing something the company had wanted to provide: support for Linux. This is now fixed as Planet Computers, the company that makes Cosmo Communicator, just released a version of Debian Linux, that can be installed on the system, with the tools that the company has provided for free on its website. Read more

List of Linux Syscalls

In this guide you’ll find a full list of Linux syscalls along with their definition, parameters, and commonly used flags. You can combine multiple flags by using a logical AND and passing the result to the argument in question. Read more