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today's leftovers

Submitted by Roy Schestowitz on Thursday 16th of June 2022 08:47:03 PM Filed under
Misc

  • Isovalent Open Sources Tetragon, eBPF-Based Observability Platform – The New Stack

    How deep do you want to observe your systems? Would you like to peer all the way into the depths of the Linux kernel? If that sounds good to you, you’ll be happy to know that Isovalent, a company that incorporates networking, security, Kubernetes, and eBPF into its programs, recently open sourced Tetragon. It’s a very useful eBPF-based security observability and runtime enforcement platform.

    You may not know its name, but Tetragon is not a new program. Isovalent has used it for years in its Isovalent Cilium Enterprise program. Cilium monitors network and runtime behavior with Kubernetes identity to provide a single source of data for cloud native forensics, audit, and compliance monitoring. In short, it works well.

  • Tune it Up: Improving Redis Performance for Ampere A1 on Oracle Linux in OCI
  • Upskill on RHEL 9

    Last month, Red Hat announced the availability of Red Hat Enterprise Linux 9 (RHEL 9), boasting a more flexible and stable foundation to support hybrid cloud innovation and a faster, more consistent experience for deploying applications and critical workloads across physical, virtual, private and public cloud and edge deployments. Red Hat Training and Certification has always iterated their offerings in tandem with Red Hat product releases, and the launch of RHEL 9 is no exception. Courses and exams have been updated to reflect changes in the Red Hat product portfolio, so that learners are able to access training relevant to the version of Red Hat software that is used in their own working environment.

  • K3s and NATS: A technology stack developers love to use at the Edge | SUSE Communities

    As innovation takes off at the Edge, one aspect we’re all trying to avoid is complexity. There is simply no room at the Edge for complexity— or much else for that matter. Simple, fast, robust, small yet powerful and dynamic is the name of the game. These demands are high. Enter ‘cloud native’ tech with its lack of assumptions, microservices architectures, container-based applications and dynamic orchestration of compute, storage, and networking resources and it’s quickly becoming apparent how fit for purpose cloud native is for the Edge.

  • Meta Platforms Hacks CXL Memory Tier Into Linux

    We have been excited about the possibilities of adding tiers of memory to systems, particularly persistent memories that are less expensive than DRAM but offer similar-enough performance and functionality to be useful.

    In particular, we have been strong advocates for disaggregating DRAM memory from the CPUs that make use of it and for the creation tiers of pooled memory that are shared by many systems, thus driving massive memory capacity expansion and the kind of utilization that has been common in storage area networks in the enterprise datacenter for decades now.

    But prying apart the memory hierarchy and jamming in some new hardware doesn’t magically enable that new tier – or tiers – to be immediately useful. Very clever systems software has to be created transparently make use of that new memory. We say transparent – and that is a good word for it, as hyperscaler Meta Platforms and its Facebook social network division knows full well – because in order for this new, disaggregated memory to be accepted, it cannot mean that applications have to be rewritten to exploit the new memory technology and tier. This all has to happen under the skins and within the operating system kernel – in this case, the Linux kernel – because even a hyperscaler like Facebook, with legions of PhDs working as software engineers, cannot afford to go back and rewrite – and debug – its entire stack of code.

  • Photoshop on the web, Thunderbird on Android, and Linux malware: Linux and open source news - Invidious

»

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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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