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Programming Leftovers

Submitted by Roy Schestowitz on Saturday 16th of January 2021 10:32:23 PM Filed under
Development
  • Better Fujitsu A64FX Support Arrives For GCC, LLVM Clang Compilers - Phoronix

    The high performance Fujitsu A64FX ARM processor now has the possibility of performing even better if relying upon the upstream open-source compilers from GCC and LLVM.

    The Fujitsu A64FX, which powers the "Fugaku" supercomputer among other accomplishments, has seen open-source compiler work going back a year while now the latest upstream GNU Compiler Collection (GCC) and LLVM Clang are seeing more complete support.

  • 4 DevOps books to read this year | Opensource.com

    We have just entered 2021, and DevOps will become much more relevant. It is smack dab in the spotlight given that the world is experiencing a pandemic and businesses are fighting to stay digitally relevant and competitive.

  • Vger security analysis

    I would like to share about Vger internals in regards to how the security was thought to protect vger users and host systems.

  • After years of dithering companies are embracing automation

    Bosses have boasted of automating their operations for years without an awful lot to show for it. Covid-19 has spurred them to put their money where their mouths are. Hernan Saenz of Bain, a consultancy, reckons that between now and 2030 American firms will invest $10trn in automation. Nigel Vaz, chief executive of Publicis Sapient, a big digital consultancy, says that the downturn offers bosses the perfect cover. “The unrelenting pressure for short-term financial results from investors has temporarily been suspended,” he says. “Firms are not just going back pre-pandemic, but completely reimagining how they work,” says Susan Lund, co-author of a forthcoming report from the McKinsey Global Institute, a think-tank. A recent survey by the institute’s sister consultancy found that two-thirds of global firms are doubling down on automation.

  • Dirk Eddelbuettel: Rcpp 1.0.6: Some Updates

    The Rcpp team is proud to announce release 1.0.6 of Rcpp which arrived at CRAN earlier today, and has been uploaded to Debian too. Windows and macOS builds should appear at CRAN in the next few days. This marks the first release on the new six-months cycle announced with release 1.0.5 in July. As reminder, interim ‘dev’ or ‘rc’ releases will often be available in the Rcpp drat repo; this cycle there were four.

    Rcpp has become the most popular way of enhancing R with C or C++ code. As of today, 2174 packages on CRAN depend on Rcpp for making analytical code go faster and further (which is an 8.5% increase just since the last release), along with 207 in BioConductor.

  • Use Bash Strict Mode (Unless You Love Debugging)

    Let's start with the punchline. Your bash scripts will be more robust, reliable and maintainable if you start them like this: 

    	#!/bin/bash
	set -euo pipefail
	IFS=$'\n\t'

    I call this the unofficial bash strict mode. This causes bash to behave in a way that makes many classes of subtle bugs impossible. You'll spend much less time debugging, and also avoid having unexpected complications in production.

    There is a short-term downside: these settings make certain common bash idioms harder to work with. Most have simple workarounds, detailed below: jump to Issues & Solutions. But first, let's look at what these obscure lines actually do.

  • Java Built-In Functional Interfaces Cheatsheet and Examples

    In order to use lambda expressions in Java 8, you need a functional interface. For most of your needs, you can use the already built ones in Java which are as follows...

»

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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