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today's leftovers

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  • FLOSS Weekly 570: xs:code

    Open Source That Makes Sense. xs:code helps you pay open source developers to maintain and improve their code – so you don't have to.

    Xs:code was started with one goal in mind – empowering developers on both sides of the equation. Both open source developers, and developers who use open-source when developing for companies and R&D teams. Xs:code truly believes that creating a sustainable way to develop and use open source, is a mutual interest of developers, and commercial companies alike.

  • Open Source Software: Mitigating the Risks to Reap the Rewards

    Initially developed by Richard Stallman in 1983 and popularized by Linus Torvalds in the early 1990s, open source software has evolved tremendously over the last 37 years. Although it started out as a niche practice, it became more mainstream in the 2000s. Its value was initially verified by Sun Microsystems’ $1 billion acquisition of MySQL in 2008, and more recently by IBM’s purchase of Red Hat for $34 billion last year. Now the most popular open source software, GNU/Linux runs on nearly 70% of web servers and is maintained by more than 15,000 unique programmers around the world. However, there remains an ongoing debate within the tech industry on both the pros and cons of open source software. We’ve taken a look at a couple of each and discussed below.

  • Covid-19: Bootlin proposes online sessions for all its courses

    Like many of us, due to the Covid-19 outbreak, you may be forced to work from home, to limit your contacts with other people and fight the spread of the disease. To take advantage from this time confined at home, we are now proposing all our training courses as online seminars. You can then benefit from the contents and quality of Bootlin training sessions, without leaving the comfort and safety of your home. During our online seminars, our instructors will alternate between presentations and practical demonstrations, executing the instructions of our practical labs.

  • Activities you can do at home this week!

    At the Raspberry Pi Foundation, our mission is to put the power of computing and digital making into the hands of people all over the world. We know that a lot of families around the globe are navigating school closures and practicing social distancing right now to keep their communities healthy and safe.

  • Arrows gallery

    For the LibreOffice 7.0 release I work on galleries. One which is ready for testers is a new/updated arrows gallery.

  • Icon gallery

    I submit a new gallery for LibreOffice called Icons. It show some usefull [sic] icons/symbols which can be used in all LibreOffice apps. If you search for app icons they area already available in the GUI widget prototyping extension.

  • RSS: The Original Federated Social Network Protocol

    So what is RSS? The acronym has a bit of a checkered history. Currently RSS stands for Rich Site Summary, originally RDF Site Summary, but it is often known by the more common term Really Simply Syndication. Which ever name you call it by, RSS is a standardized format for listing the most recent updates for a website. The majority of websites and blogs publish a feed of updates, either in RSS format or its close cousin, the Atom Syndication Format (ATOM). YouTube channels, Podcasts, most web comics, and many news sites expose all their updates in one of these standardized formats. Most RSS readers support scanning websites to find their feeds, in formats such as RSS 0.9, 1.x, 2.x or ATOM. RSS readers poll websites regularly, and display updates from websites users are subscribed to.

  • DDoS botnets have abused three zero-days in LILIN video recorders for months

    Digital video recorders are devices installed on company networks that aggregate video feeds from local CCTV or IP camera systems and record it on various types of storage systems, like HDDs, SSDs, USB flash drives, or SD memory cards.

  • Multiple botnets are spreading using LILIN DVR 0-day

    The LILIN 0-day vulnerability is made of 3 parts: hard-coded login credentials, /z/zbin/dvr_box command injection vulnerabilities and /z/zbin/net_html.cgi arbitrary file reading vulnerabilities, /z/zbin/dvr_box provides Web services, and its web interface /dvr/cmd and /cn/cmd have a command injection vulnerability. The injected parameters have been: NTPUpdate, FTP, and NTP.

    [...]

    LILIN users should check and update their device firmwares in a timely fashion, and strong login credentials for the device should be enforced.

    The relevant malicious IPs, URLs and domains should be blocked and investigated on users’network.

More in Tux Machines

IBM/Red Hat/Fedora Leftovers

  • Fedora Community Blog monthly summary: May 2020

    This is the first in what I hope to make a monthly series summarizing the past month on the Community Blog. [...] In May, we published 31 posts. The site had 4,964 visits from 2,392 unique viewers. Readers wrote 13 comments. 202 visits came from Fedora Planet, while 716 came from search engines.

  • Red Hat Success Stories: A foundation for network automation and betting on OpenShift

    You hear the expression "betting" on platforms all the time. But Bilyoner Interactive Services in Turkey is really betting on Red Hat OpenShift by deploying a live betting platform on OpenShift with Red Hat Ansible Automation. When live sports betting was legalized in Turkey, Bilyoner Interactive Services needed a supported, scalable, and highly available technology foundation to support this new service. By migrating from community open source to Red Hat OpenShift and Red Hat Ansible Automation Platform, Bilyoner used container and microservices technology to quickly create and launch its new live betting platform. As a result, the company reports a five-fold increase in traffic and close to 100% service uptime.

  • Kafka Monthly Digest – May 2020

    In this 28th edition of the Kafka Monthly Digest, I’ll cover what happened in the Apache Kafka community in May 2020.

  • Free cloud native security conference hosted by IBM Developer

    Security concerns remain one of the key factors in enterprises unlocking the true value of the cloud. From modernizing applications with containerized microservices, to securing data while training AI models, or building continuous, secure DevOps pipelines in a growing complex hybrid cloud, developers face myriad challenges when it comes to security in a cloud native hybrid cloud environment. IBM Developer wants security to be one less thing you have to worry about when you’re building high-performance solutions. That’s why we put together the Digital Developer Conference: Cloud Native Security on June 24, 25, and July 1. [...] Learn the skills to react with speed and confidence by using solutions on IBM Cloud and Red Hat OpenShift alongside leading open source contributions by IBM and Red Hat to Kubernetes, Istio, Open Container Initiative, Cloud Native Computing Foundation, and Apache Foundation.

  • Enable Sysadmin celebrates one-year anniversary with Sudoers Program

    What started as an idea in early 2019 has now blossomed into a publishing platform with a growing community with more than 100 writers. As we celebrate the one-year anniversary of the Enable Sysadmin publication, we’re excited to announce a new program for our community of writers. On May 5, 2020, we officially launched the Sudoers program for the Enable Sysadmin community. The Sudoers program recognizes our most trusted and committed contributors and provides a framework for becoming an established writer on the site. The editorial team has been working closely with 10 of our writers to help establish the first group of members in the Sudoer program. To date, this group of amazing sysadmins has collectively published more than 100 articles on the Enable Sysadmin publication.

  • Enable Sysadmin: A year by the numbers

Programming Leftovers

  • Software Product Inventory: what is it and how to implement it.

    The concept of inventory applied to software, sometimes called catalogue, is not new. In IT/help-desk it usually refers to the software deployed in your organization. Along the history, there has been many IT Software Inventory Management tools. I first started to think about it beyond that meaning when working in deployments of Linux based desktops at scale. The popularity that Open Source and Continuous Delivering is providing this traditionally static concept a wider scope as well as more relevance. It is still immature though, so read the article with that in mind. 1.- What is Inventory in software product development? I like to think about the software inventory as the single source of truth of your software product so the main element for product development and delivery auditing purposes. Isn’t that the source code?

  • 10 tips for maintaining a DevOps mindset for distributed teams

    I am one of the agents of chaos who passionately argued the importance of removing barriers and recognizing that people are the core of a healthy DevOps mindset. Fast-forward to the COVID-19 pandemic, in which collocated teams were forced to disperse overnight into self-isolating distributed entities, relying on technology to bring us all back together in a virtual world. [...] A healthy DevOps mindset navigates through different paths of continuous improvement wherein disruption, discipline, and guardrails are the norm. What no one anticipated is the radical disruption we are all experiencing due to the pandemic, and the impact it has on our DevOps and personal mindset, our workflows, and the ceremonies of kanban and agile teams. You may recall Tuckman's theory of group development, which outlines how teams grow into productive high-performers in stages. As expected, most, if not all, agile teams that switched from collocated to remote setup will slide back from the norming and performing stages to the storming stage, as shown in Figure 1.

  • Git 2.27 Demotes The Recently Promoted Transport Protocol v2, Continues SHA-256 Work

    Git 2.27 is out as the newest version of this widely-used distributed revision control system. Among the highlights with Git 2.27 are: - The Transport Protocol Version 2 support, which was made the default in the previous release, has been demoted. There are some "remaining rough edges" leading to the v2 protocol being demoted from the default in Git 2.27.

  • GitLab Releases Massive Update to CI/CD Platform

    GitLab has updated its CI/CD platform with a raft of capabilities spanning everything from value stream management to cybersecurity. In addition, GitLab announced it is making generally available Gitaly Clusters, which enable DevOps teams to create a warm replica of a Git repository. In terms of core DevOps capabilities, the latest release adds the ability to customize the Value Stream Analytics module to specific workflows. GitLab is also planning to make it possible to visualize stages of a workflow.

  • Stripe's remote engineering hub, one year in

    Last May, Stripe launched our remote engineering hub, a virtual office coequal with our physical engineering offices in San Francisco, Seattle, Dublin, and Singapore. We set out to hire 100 new remote engineers over the year—and did. They now work across every engineering group at Stripe. Over the last year, we’ve tripled the number of permanently remote engineers, up to 22% of our engineering population. We also hired more remote employees across all other teams, and tripled the number of remote Stripes across the company.

  • When to choose C or Python for a command-line interface

    First, a Unix perspective on command-line interface design. Unix is a computer operating system and the ancestor of Linux and macOS (and many other operating systems as well). Before graphical user interfaces, the user interacted with the computer via a command-line prompt (think of today's Bash environment). The primary language for developing these programs under Unix is C, which is amazingly powerful. So it behooves us to at least understand the basics of a C program.

  • One thought on “Pulling Data From News Feed Telemetry”

    The write-up is at a very in-depth level, and while there’s an admission that some of the steps could have been performed more easily with ready-made tools, its point is to go through all steps at a low level. So the action largely takes place in GNU Radio, in which we see the process of identifying the signal and shifting it downwards in frequency before deducing its baud rate to retrieve its contents. The story’s not over though, because we then delve into some ASCII tricks to identify the packet frames, before finally retrieving the data itself. It still doesn’t tell you what the data contains, but it’s a fascinating process getting there nonetheless. It’s easy to forget that GNU Radio has signal processing capabilities far beyond radio, but it was the subject of a fascinating Superconference talk. We even jumped on the bandwagon in the non-foolish part of our April Fool this year.

  • Dirk Eddelbuettel: T^4 #4: Introducing Byobu

    The next video (following the announcement, and shells sessions one, two, and three) is up in the T^4 series of video lightning talks with tips, tricks, tools, and toys. This time we introduce the wonderful byobu tool which is called both a ‘text-based window manager’ and a ‘terminal multiplexer’:

  • Rust Remains Most Loved Language, According to Stack Overflow Survey

    Stack Overflow has released the results of its 2020 Developer Survey, which was conducted back in February and taken by more than 65,000 people. Of those respondents, just over 52,000 identified themselves as professional developers. Topics covered in the survey included most loved (and dreaded) languages, technologies, and frameworks, as well as career values and employment status. According to the survey, Rust remains the most loved language – for the fifth year in a row. Python fell from the second to third this year, with TypeScript moving into the number two slot. Kotlin, Go, Julia, and Dart are next on the list of beloved languages, separated by just a few tenths of a percentage point.

Python Programming Leftovers

  • Build Physical Projects With Python on the Raspberry Pi

    The Raspberry Pi is one of the leading physical computing boards on the market. From hobbyists building DIY projects to students learning to program for the first time, people use the Raspberry Pi every day to interact with the world around them. Python comes built in on the Raspberry Pi, so you can take your skills and start building your own Raspberry Pi projects today. [...] The Raspberry Pi is a single-board computer developed by the Raspberry Pi Foundation, a UK-based charity organization. Originally designed to provide young people with an affordable computing option to learn how to program, it has developed a massive following in the maker and DIY communities because of its compact size, full Linux environment, and general-purpose input–output (GPIO) pins.

  • The Python Language Summit 2020

    For the second year in a row, I was invited to report on the Python Language Summit. It’s a private gathering of Python language implementers (both the core developers of CPython and alternative Pythons), plus third-party library authors and other Python community members. This year, the Summit was held over two days by videoconference. I’m no longer mainly a Python programmer, but it’s still exciting to hear new ideas for the language. The core developers’ decisions affect millions of programmers; it’s a privilege to be in the room where it happens.

  • PyDev of the Week: Seth Michael Larson

    This week we welcome Seth Michael Larson (@sethmlarson) as our PyDev of the Week! Seth is the lead maintainer of urllib3. He also writes a Python blog. [...] My first introduction to Python was in my “intro to CS” class at university. I fell in love with the simplicity of the language and the Open Source community. I’d known some programming before going to university so it wasn’t my first programming language but I really enjoyed what Python had to offer. I remember getting excited by how straightforward sockets and network programming were in Python compared to C or C++, that was definitely a feature that grabbed my attention.

  • Tryton News: Newsletter June 2020

    Since release 5.6 development has restarted, with the first changes already landing in the development branch. Our demo servers now no longer require authentication. This helps keep the shared servers accessible to everyone (we often found that people would change the passwords and lock everyone else out).

  • Use FastAPI to build web services in Python

    FastAPI is a modern Python web framework that leverage the latest Python improvement in asyncio. In this article you will see how to set up a container based development environment and implement a small web service with FastAPI.

today's howtos