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today's leftovers

Submitted by Roy Schestowitz on Saturday 4th of January 2020 10:27:54 PM Filed under
Misc
  • The Magic SysRQ Key on the Keyboard
  • About problems in LibreOffice from Linux distro packages

    Very big thank you for all people who write bug reports about LibreOffice in to our bugzilla. But sometime I see, that your problems are only in Linux distro's (like SuSe, Ubuntu, Arch, etc.) LibreOffice and we can't repro your problem in LibreOffice from TDF site.

  • The Month in WordPress: December 2019

    As 2019 draws to a close and we look ahead to another exciting year let’s take a moment to review what the WordPress community achieved in December.

    WordPress 5.3.1 and 5.3.2 Releases

    The WordPress 5.3.1 security and maintenance release was announced on December 13. It features 46 fixes and enhancements. This version corrects four security issues in WordPress versions 5.3 and earlier. Shortly afterwards, WordPress 5.3.2 was released, addressing a couple high severity Trac tickets, and includes 5 fixes and enhancements, so you’ll want to upgrade. You can read more about these releases in the announcements for 5.3.1 and 5.3.2.

  • Bunnie Huang's Betrusted Project

    As usual, Bunnie is realistic about the limits of what he is doing:

    I personally regard Betrusted as more of an evolution toward — rather than an end to — the quest for verifiable, trustworthy hardware. I’ve struggled for years to distill the reasons why openness is insufficient to solve trust problems in hardware into a succinct set of principles. I’m also sure these principles will continue to evolve as we develop a better and more sophisticated understanding of the use cases, their threat models, and the tools available to address them.

  • Security updates for Friday

    Security updates have been issued by Debian (netty) and Fedora (libssh, nethack, php, samba, and xen).

  • Wyze Breach Leaves Data Of 2.4 Million Users Exposed Online

    Another day, another company leaving massive troves of consumer data openly accessible to the internet.

  • De-Googling Yourself, Part 8

    HTTPS (HTTPS) is an implementation of the HTTP protocol over an additional layer of security that uses the SSL/TLS protocol. This additional layer allows data to be transmitted over an encrypted connection and to verify server and client authenticity through digital certificates. The TCP port used by default for the HTTPS protocol is 443.

    The HTTPS protocol is used, as a rule, when it is desired to prevent the information transmitted between the client and the server from being viewed by third parties, such as online shopping. The existence in the address bar of a lock (which can be left or right depending on the browser used) demonstrates secure page certification (SSL/TLS). The existence of this certificate indicates the use of the HTTPS protocol and that communication between the browser and the server will take place securely. To verify the identity of the server, double-click the lock to view the certificate.

    Over HTTPS connections, third-party MITM attacks are not possible because the connection is encrypted end-to-end. Thus, it is possible to track that you have accessed a particular site, but not what you have accessed on that site.

  • Apple’s ServiceTalk Goes Open Source

    Apple’s ServiceTalk is now open source! For the uninitiated, ServiceTalk is a JVM network application framework that is aimed at providing a common and extensible networking abstraction on top of a lower-level networking framework (for instance, Netty).

  • Open source storage: driving intelligence in the small data sprawl era

    Open source storage is an emerging phenomenon; data storage software that is developed in a public, collaborative manner under a license that permits the free use, distribution and modification of the source code.

    Organisations are now dealing with a huge amount of data, petabytes-worth, and it all needs to be stored in manner that is flexible, accessible and secure, while allowing analytics and intelligence-driven solutions to gain actionable insights from it.

    There are a three trends that have given rise to open source storage and Stephen Manley — chief technologist at Druva — has helped Information Age dissect the subject.

    [...]

    He pointed to two of the most popular open source storage offerings, Ceph and Lustre. Both of them have a very different architecture than file systems before, such EXT4 or ZFS. One of the big differences with them is that they separate out the data storage into “a big book object” and they store the metadata in a separate database. And to Manley, this reflects that they’re building for a cloud architecture, “because cloud storage only started being anchored on object storage and then offers database services on top”, he explained.

  • Researchers develop new open-source system to manage and share complex datasets

    A research team has developed an open-source data-management system that the scientists hope will solve all of those problems. The researchers outlined their system today in the journal PLOS ONE.

    "We wanted to create a file format and a dataset model that would encapsulate the majority of datasets we work on, on all the instruments in a lab," said Philip Grandinetti, professor of chemistry at The Ohio State University and senior author of the paper. "There's this long-standing problem, pervasive among scientists, that you buy a multimillion-dollar instrument and the companies that make that instrument have their own proprietary format, and it's a nightmare to share with anyone else."

    Large datasets are tricky to share, in part because software is often proprietary, but also in part because the files are often so large that they are hard to share in an email or through a cloud-based server. And even if the files can be exported as a file type that can be shared, important metadata—the things that explain what the dataset actually is—are often lost.

»

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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