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Programming: Java, Rust, Bash, Perl, LLVM and More

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  • 12 Best Udemy Java Courses for Beginners in 2020

    I’ve covered at least 3 articles on the best Udemy courses since this year began where I covered beginner courses for PHP and Python as well as a list of Python courses for advanced users, among other online courses.

    Today’s focus is on one of the most popular programming languages of all time, Java – a high-level object-oriented programming language used for building multi-platform applications, and I am certain that there’s at least one course that will spark your interest.

  • This Week in Rust 330
  • Using Bash scripts in Linux to delete the history, cookies and cache files of Firefox, Google Chrome and Thunderbird

    The browsing data stored by Firefox, Google Chrome and Thunderbird can be deleted using the respective application’s GUI. But you can also do that using a Bash script, which could be useful if you want to delete unnecessary/unwanted files before e.g. backing up your home directory, or if you want a quick and easy way to clear-out browsing data. In this post I list the scripts and Desktop Configuration files I have created in Gentoo Linux and in Lubuntu 18.04 to remove browsing data.

  • Enter the Matrix ... with PDL

    We interrupt this k-Means broadcast to bring you an important message about threading (the PDL kind, not the Perl kind - darn those overloaded terms!)

  • PTS 2020 Cancelled

    The Perl Toolchain Summit (PTS) won't be happening this year. It had been planned for Vienna, so we're hoping that PTS 2021 will be held in Vienna.

    We had wondered about delaying it, or seeing whether there's interest in a virtual PTS, but right now we all have much more important things to worry about. When the time is right, we'll see what makes sense.

  • LLVM Lands Build System Changes To Make It Easier For Out-Of-Tree Projects To Use MLIR

    Since being released by Google engineers last year and subsequently integrated into the LLVM ecosystem, the MLIR intermediate representation has quickly been gaining interest both among LLVM projects and other external users.

    MLIR is designed with heterogeneous hardware and machine learning in mind. TensorFlow and others have been re-tooled to support MLIR among other out-of-tree 'users' and more certainly being on the way with this IR designed by Chris Lattner and others.

  • LLVM 10.0 Release Pushed Back By Another Week Over Last Minute Bugs

    LLVM 10.0 along with the likes of Clang 10.0 were supposed to be out nearly one month ago but instead a fifth release candidate arrived today.

    The LLVM 10.0 release cycle has gone on several weeks longer than anticipated due to having to deal with last-minute bugs. LLVM 10.0-RC4 came out last week and was already two release candidates past what they anticipated, but rather than going for the final release today, a fifth release candidate was decided upon.

  • Jeff Geerling's Ansible Books Free until April

    Hi everyone, think by now most of us are settling into long-term working from home routine as part of COVID-19 social distancing. Hope you and your familiy are healthy and safe.

    If you're looking for a technical book or two to read, Jeff Geerling just made his two books on Ansible free on Leanpub until April.

  • The Remote Journey: references to start

    I started my professional career in an archipelago and I have been involved in Open Source for years so managing remote software related teams, departments and even organizations has been the default for me. I have been also working as consultant in a remote-friendly environment and now I am working at MBition remotely. I believe I am familiar with many aspect of the The Remote Journey, which is a topic I am interested on beyond my work, since it is tightly related to the way of life I want to live.

    Remote work is a fairly mature topic at individual (software development), team and department level. It is maturing at company level too which means that there are already resources in internet that will cover most of the basic questions and topics that most of the companies struggling today with moving from colocated directly to remote-only environments might have.

    [...]

    It is my belief that in general, habits change mindsets instead of the other way around. When walking through The Journey together with teams and organizations, I put emphasis in the ceremonies as a way to drive the needed change at every level: personal, team, department and organization. If you successfully adapt the ceremonies, your are in a great position to modify people’s habits.

    Personal ceremonies are that, personal. I will not get into them. There is plenty of literature in internet about how to face remote work, the advantages, the challenges and how to approach them. I have my own routines. They are not static although some of them have been with me for some time now. Some have been affected due to the confinament state we are in right now in Spain so I am adapting them to evaluate how they work. My advice in this regard is that you read about other people routines, identify yours, track them and experiement to find the right combination. Again, assume they will evolve over time.

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.