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today's leftovers

Submitted by Roy Schestowitz on Tuesday 12th of May 2020 04:22:43 PM Filed under
Misc
  • Late Night Linux – Episode 89

    Good news for Linux phones and Raspberry Pi users, an embarrassing security incident, Keybase bought by Zoom, KDE Korner, some feedback, and more.

  • [Ubuntu Podcast from the UK LoCo] S13E07 – Jumping over children

    This week we’ve been making a New Show and playing Ring Fit Adventure. We discuss Mark Shuttleworth on Ubuntu popularity and Canonical profitability, Ubuntu Core security audit, Groovy Gorilla is coming, Ubuntu Studio switches to KDE, Folder Colors adds Yaru support and Ubuntu Server has a self-updating installer. Plus we round up some of our favourite tech stories.

  • How we guarantee there's always some free space in our ZFS pools

    To stop this from happening, we use pool-wide quotas. No matter how much space people have purchased in a pool or even if this is a system pool that we operate, we insist that it always have a minimum safety margin, enforced through a 'quota=' setting on the root of the pool. When people haven't purchased enough to use all of the pool's current allocated capacity, this safety margin is implicitly the space they haven't bought. Otherwise, we have two minimum margins. The explicit minimum margin is that our scripts that manage pool quotas always insist on a 10 MByte safety margin. The implicit minimum margin is that we normally only set pool quotas in full GB, so a pool can be left with several hundred MB of space between its real maximum capacity and the nearest full GB.

  • FreeBSD 12.1 on a workstation

    I’m using FreeBSD again on a laptop for some reasons so expect to read more about FreeBSD here. This tutorial explain how to get a graphical desktop using FreeBSD 12.1.

  • Software Maker Chef Hires Guggenheim to Help Raise Funds

    “We have established a relationship with Guggenheim as an adviser with the primary purpose to bring in additional capital to fund acquisitions and enable us to fuel growth,” Chef’s Chief Marketing Officer Brian Goldfarb said in a statement.

    An external spokesperson for Chef said it hasn’t raised cash since 2015. The company has raised about $105 million to date, according to Pitchbook.

  • How to value cloud-based open source software services

    The public cloud and open source software are pretty much coupled these days. No matter if you’re running Kubernetes-as-a-service, MySQL, Linux, or that open source text editor you’ve used since college, it’s all there for the taking, as-a-service.

    However, it’s really not free. Cloud providers charge for usage, either by time or other resource-units consumed. Indeed, it’s half or more of the cloud computing bills I’ve seen recently.

    Some enterprises have not yet used open source on premises, not to mention cloud. Now that they are moving to the public cloud, both developers and infrastructure engineers are finding some very compelling reasons to “go open” in the cloud.

    [...]

    In many instances I’ve seen enterprises pick open source software around religious beliefs more than from a feature and function comparison. Although you’ll certainly get the open source cred, in some instances you won’t be able to get the value out of that specific cloud service versus other alternatives.
    It’s really not that hard. Enterprises fall down when they’re myopic about picking the right solution for the business without understanding the true value. Keep the business value in sight, and you’ll be fine. Short of that, you’re likely to make expensive mistakes.

  • Railway Vehicle Maker Stadler Hit by Malware Attack

    Contacted by SecurityWeek, the Swiss manufacturer refrained from providing additional details on the incident, given the ongoing investigation.

  • Millions of Thunderbolt-Equipped Devices Open to ‘ThunderSpy’ Attack

    If an attacker can get his hands on a Thunderbolt-equipped device for five minutes, he can launch a new data-stealing attack called “Thunderspy.”

»

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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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