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September 2017

DragonFlyBSD 5.0 Branched As The Next Release

Filed under
BSD

We've known a new DragonFlyBSD release was being worked on for release soon. That release has now been branched, the first release candidate tagged, and it's being marked as version 5.0.

Succeeding DragonFlyBSD 4.8 will be DragonFlyBSD 5.0. 5.0.0-rc1 was tagged on Friday night while the code is branched for the 5.0 release undertaking. On Git master is now the DragonFly 5.1 development version.

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Our Last Time Benchmarking Ubuntu 32-bit vs. 64-bit

Filed under
Graphics/Benchmarks

Over the years we have looked at the 32-bit vs. 64-bit x86 Linux performance for curiosity sake, showing how x86_64 can be much faster than i686, and just providing these values for a reference look and if for some reason are still running 32-bit Linux software including the OS while the hardware is 64-bit capable. For this final benchmarking look are fresh numbers when doing a clean install of Ubuntu 17.10 32-bit compared to Ubuntu 17.10 64-bit.

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today's leftovers

Filed under
Misc
  • Linux To Get "Extended LTS" Releases, Kernel Support For Six Years

    Linux right now offers a "Long Term Support" release where support for the kernel branch is maintained for two years, which is nice compared to kernel releases usually dropping maintenance around N+1.1 after the release. But moving forward, Linux LTS releases will now be maintained for six years.

    The two-year Linux LTS cycle is suitable for many users, but one case where it's not long enough is the lifecycle of a smartphone and the status quo is many Android phones out there are still running on Linux kernels no longer receiving bug/security fixes. Via Google's Project Treble and cooperation with the upstream Linux community, that two year process is now being extended to six years.

  • Mesa 17.2.2 Set For Release Next Week

    For those not comfortable riding Mesa Git, Mesa 17.2.2 is set to be released early next week as the newest stable update for the open-source 3D graphics driver stack.

    Point release manager Juan Suarez Romero of Igalia is planning on releasing Mesa 17.2.2 next Monday, 2 October, if all goes well. So far there are 43 patches queued and a handful of more patches still possibly landing. Friday marked the release candidate for this newest point release.

  • SELinux (Security-Enhanced Linux)

    SELinux, or Security-Enhanced Linux, is a part of the Linux security kernel that acts as a protective agent on servers. In the Linux kernel, SELinux relies on mandatory access controls (MAC) that restrict users to rules and policies set by the system administrator. MAC is a higher level of access control than the standard discretionary access control (DAC), and prevents security breaches in the system by only processing necessary files that the administrator pre-approves.

  • Alpine Linux

    Alpine Linux is a small, security-oriented, lightweight Linux distribution based on the musl libc library and BusyBox utilities platform instead of GNU. It operates on bare-metal hardware, in a VM or even on a Raspberry Pi. The distribution is noncommercial and evolved for embedded and server-based workloads, although desktop OS use is possible.

  • Red Hat Inc. Is on a Roll
  • Attend a Fedora Women Day 2017 event

    Fedora Women Day (FWD) is a worldwide series of events initiated by the Fedora Diversity Team. The events are dedicated to female contributors of the Fedora Project. During this day of celebration, local communities gather to present the accomplishments of women in the Fedora Project and thank them. FWD is also a great chance to promote the participation of more women and raise awareness about the gender gap in tech communities. Furthermore, FWD and events like it show the importance of diversity in open source projects such as Fedora.

  • Keep the Trump administration out of your private life with Tails 3.2 Linux distribution

    As we learned from the great patriot Edward Snowden, the US government can and will spy on you. Not caring about that invasion of privacy, and dismissing it with the flawed statement of "I have nothing to hide," is flat out idiotic. Regardless of what you do on your computer, or on the internet, your privacy is sacred, and quite frankly, it was earned by our forefathers that fought for our freedoms.

    If you do care about your privacy, and you want to keep the heavy-handed Trump administration or other government agency out of your private business, please know you aren't powerless. There is a specific Linux-based operating system that aims to protect your privacy from corrupt governments and other evildoers, such as hackers and spies. Called "Tails," it always runs in a live environment from a DVD or flash drive. In other words, especially with an optical disk, it will help to hide your footprints. Today, version 3.2 sees release.

Servers: Kubernetes 1.8, Blockchain, Microservices, Clear Linux

Filed under
Server
  • Kubernetes 1.8 Improves Security With Role-Based Access Control

    Version 1.8 of the open-source Kubernetes container orchestration and management platform is now available, providing features that improve both scalability and security.

    Kubernetes 1.8, released on Sept. 28, is the third major milestone release for Kubernetes in 2017 and follows the 1.7 update that debuted in June. The Kubernetes project was originally started by Google and has been managed as a Cloud Native Computing Foundation (CNCF) effort since July 2015.

  • Blockchain skills: Don't Try to Block the Chain

    Blockchain technology is on the rise. Some might presume Bitcoin is the reason behind it. While it was developed for the digital currency, developers are finding other uses of blockchain technology. Most prominently is the open source project Ethereum. The use of Ethereum has brought about smart contracts, which have proven to be quite functional within the financial industry. With its decentralized structure, blockchain technology could be a paradigm shift with vast boundaries.

  • DevOps Jobs: 5 must-reads for job seekers, hiring managers
  • Tools and Practices for Documenting Microservices
  • Clear Linux Can Run On AMD's EPYC Platform With Competitive Performance

    As part of our ongoing AMD EPYC Linux benchmarking, I've been working this week on a cross-distribution GNU/Linux comparison followed by some BSD testing... Of course, I couldn't help but to see if Intel's performance-oriented Clear Linux distribution would run on the AMD EPYC server.

OSS: Code for NFV (OPNFV), Code for '3D Selfies', Code for Beeline and More

Filed under
OSS
  • Network Functions Virtualization: All Roads Lead to OPNFV

    Previously in our discussion of the Understanding OPNFV book, we provided an introduction to network functions virtualization (NFV) and explored the role of OPNFV in network transformation. We continue our series with a look at chapters 4 and 5, which provide a comprehensive description of the various open source NFV projects integrated by OPNFV and the carrier grade features contributed back to these upstream projects by the community. In this article, we cover these two topics briefly and provide some related excerpts from the Understanding OPNFV book.

  • 3D selfies? What could possibly go wrong?

    The good news, then, is that this particular work only works on faces.

    The bad news? The code's on GitHub under an MIT licence.

  • Code for Beeline crowdsourcing transport app to be made open source

    The code for crowdsourcing transport app Beeline will be made open source from October onwards, in a move that could benefit app developers looking to develop new mobility solutions.

    [...]

    Announcing GovTech's plans to make the code open source on Saturday (Sep 30), the director of the agency's data science division, Liu Feng-Yuan, likened the move to sharing the "recipe" as to how the Government built the Beeline technology.

  • Facebook re-licenses React.js, a new open source tool from Oath, and more news

    Recently, Facebook drew the ire of the open source community by licensing React.js (a widely-used JavaScript library) under a so-called BSD + Patents license. That license drew fears of patent litigation and React.js was rejected by the Apache Foundation and WordPress decided to ditch it. As a result of the backlash, the social media giant has backtracked and re-licensed the library.

  • Syracuse Unbound releases second open source publication: CNY books and authors

    This is the second publication from the imprint, which offers open-access to the text through a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License, which means that the book is available for anyone to download and read for free. At last count the book has been downloaded 1,250 times  in 18 countries.

Security: Updates, EFI Mess, Clarence Birdseye

Filed under
Security
  • Security updates for Friday
  • An alarming number of patched Macs remain vulnerable to stealthy firmware hacks

    An alarming number of Macs remain vulnerable to known exploits that completely undermine their security and are almost impossible to detect or fix even after receiving all security updates available from Apple, a comprehensive study released Friday has concluded.

  • What Clarence Birdseye can teach us about container security

    Clarence Birdseye is generally considered to be the founder of the modern frozen food industry. In 1925, after a couple of false starts, he moved his General Seafood Corporation to Gloucester, Massachusetts. There, he used his newest invention, the double belt freezer, to freeze fish quickly using a pair of brine-cooled stainless steel belts. This and other Birdseye innovations centered on the idea that flash-freezing meant that only small ice crystals could form, and therefore cell membranes were not damaged. Over time, these techniques were applied to a wide range of food — including the ubiquitous frozen peas.

Graphics: Radeon, Intel, Mesa

Filed under
Graphics/Benchmarks

More in Tux Machines

Python Programming

  • Introducing our Jinja2 cheat sheet

    Jinja2 is a templating language for Python. While it got its start on the web for use with the Flask framework, it is popular in many other places. Both Flask and Pelican use it to template HTML pages, allowing seperation between style and content. Configuration management frameworks, like Ansible and SaltStack, use it to parametrize their configurations (Ansible playbooks or Salt state files, respectively). This allows the configuration files to take into consideration local machine parameters, for example. The Cookiecutter framework uses it to define its input templates, so that files that need the name of the project or the name of the maintainer can be parametrized. Jinja2 is used in many Python projects because it is both web-framework-agnostic and language-agnostic. This means that, for many Python projects in need of a template language, Jinja2's easy API and accessible template-designer documentation is an easy choice. Additionally, its popularity is its own advantage: for a project that needs a tempate language, using Jinja2 means being able to point to the wealth of documentation on writing templates. This makes Jinja2 a great choice for home-grown, internal project.

  • Forks and Threats

    What is a threat? From a game-theoretical perspective, a threat is an attempt to get a better result by saying: "if you do not give me this result, I will do something that is bad for both of us". Note that it has to be bad for both sides: if it is good for the threatening side, they would do it anyway. While if it is good for the threatened side, it is not a threat. Threats rely on credibility and reputation: the threatening side has to be believed for the threat to be useful. One way to gain that reputation is to follow up on threats, and have that be a matter of public record. This means that the threatening side needs to take into account that they might have to act on the threat, thereby doing something against their own interests. This leads to the concept of a "credible" or "proportionate" threat. For most of our analysis, we will use the example of a teacher union striking. Similar analysis can be applied to nuclear war, or other cases. People mostly have positive feelings for teachers, and when teacher unions negotiate, they want to take advantage of those feelings. However, the one thing that leads people to be annoyed with teachers is a strike: this causes large amounts of unplanned scheduling crisis in people's lives. In our example, a teacher union striking over, say, a minor salary raise disagreement is not credible: the potential harm is small, while the strike will significantly harm the teachers' image.

  • Python 101 2nd Edition Fully Funded + Stretch Goals

    The second edition of my book, Python 101, has been successfully funded on Kickstarter. As is tradition, I have added a couple of stretch goals for adding more content to this already hefty book.

  • List Comprehensions in Python

    List comprehensions are often used in Python to write single line statements that create a new list or dictionary by looping over an iterable object. This article will explain how to use list comprehensions in Python, starting with a basic explanation of how for loops work in Python. For Loop in Python A for loop statement in Python sequentially iterates over members of any object, list, string etc. Compared with other programming languages, its syntax is much cleaner and doesn’t require manually defining iteration steps and starting iteration. Though there are ways to make its behavior the same as other programming languages (won’t be covered in this article). You can also exercise some control over for loops by using statements like continue, break, pass etc.

  • Getting Started Testing with pytest

    This talk has been through a few iterations. In 2011, I gave a presentation at Boston Python about Getting Started Testing, based on the standard library unittest module. In 2014, I updated it and presented it at PyCon. Now I’ve updated it again, and will be presenting it at Boston Python. The latest edition, Getting Started Testing: pytest edition, uses pytest throughout. It’s a little long for one evening of talking, but I really wanted to cover the material in it. I wanted to touch on not just the mechanics of testing, but the philosophy and central challenges as well.

  • Learn To Code By Playing These Games

    Apart from an ambition to become a programmer and have an interesting well-paid job, there are plenty of reasons to learn coding even for those who see themselves in other professions. Programming can be helpful in many areas. It develops a structured and creative approach to problem-solving. If you know how to code, you also know how to break a problem down to smaller tasks with specific actions and measurable results. Your way of thinking becomes more logical and organized. Coding broadens your mind, so you start to see problems in the light of solutions. And of course, it teaches to be patient. Logic, problem-solving, persistence: sounds like a great set of skills for almost any professional.

  • The Best Android Apps for Learning How to Code

    As a senior software developer, I’m often asked for advice on learning programming. Since I believe that the tech market always benefits from having more high-quality developers, I’m happy to share tips and hacks that helped me become a better software engineer. However, as soon as I say: “Read this and that book, check out this reference guide. Taking these courses is a must, and don’t forget to be scanning through community forums all the time,” I see people’s enthusiasm fade away until they hit me with “I don’t have time to do all that.” Then they leave. Here’s the thing I’d love to state for the record — learning programming is not about making time. It’s about consistency. Since the market constantly changes and evolves, a developer who devotes 30 minutes a day to education is more flexible and has a better chance of adapting to new trends than a CS graduate who hasn’t learn a new program since getting out of college.

Fedora VS Ubuntu

Linux is superior to Windows in a lot of ways. It gives you the freedom to shape your system according to your desire. You can customise almost everything to your taste. Don’t like the way your login screen looks, well change it according to your liking. You can change your Linux UI (User Interface) so that it looks like Windows if you are more comfortable that way. Linux is way less resource-hungry than Windows, meaning it runs a lot smoother. You can even customise how much cache and ram should Linux use. But despite all these good things switching from Windows to Linux can be a lot of hassle as there are a lot of distros or types of Linux to choose from and most people get confused. Different Linux distros are for different people. Here I’ll be comparing the two biggest distro releases, i.e., Ubuntu and Fedora Read more

40 Useful Linux Server Commands for Beginners in 2020

Most of the virtual world is powered by Linux today. Admins and network owners like to take control of their web presence by utilizing Linux to its fullest extent. If you are a starting Linux user looking to hone your system administration skills to the next level, learn these 40 Linux server commands mentioned below. Our team of veteran sysadmins has curated this guide for facilitating your learning experience. Most of these commands are pretty basic, but if used carefully, they will help you manage and monitor your Linux servers much more effectively. Read more

today's howtos