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today's howtos

Submitted by Roy Schestowitz on Thursday 14th of January 2021 09:29:32 PM Filed under
HowTos
  • Formatting tricks for the Linux date command | Enable Sysadmin

    The date command is simple. However, it has several useful options that enhance it. It's also capable of giving you practical information about past or future dates. This article shows you some of the format controls to manipulate the date command's output. At the end of the article, I offer some practical suggestions about how you can use this command in conjunction with common tasks.

  • 7 Essential Linux Commands for Managing Users

    From the very beginning, the Linux operating system was designed to be a multi-user OS. As such, one of the most common administrative tasks performed on a Linux machine is managing user accounts. It’s a critical part of keeping a healthy and secure Linux machine.

    You might think that it is overwhelming to manage users from the command line. On the contrary, it is not at all. There are only a few basic commands that you need to know, and I will cover them in this article.

  • Analyze Kubernetes files for errors with KubeLinter | Opensource.com

    KubeLinter is an open source project released by Stackrox to analyze Kubernetes YAML files for security issues and errant code. The tool covers Helm charts and Kubernetes configuration files, including Knative files. Using it can improve cloud-native development, reduce development time, and encourage DevOps best practices.

  • Remote Directory Tree Comparison, Optionally Asynchronous and Airgapped

    In the previous installment on store-and-forward backups, I mentioned how easy it is to do with ZFS, and some of the tools that can be used to do it without ZFS. A lot of those tools are a bit less robust, so we need some sort of store-and-forward mechanism to verify backups. To be sure, verifying backups is good with ANY scheme, and this could be used with ZFS backups also.

  • Run a variety of virtual machines on your Chromebook with Gnome Boxes

    Now that Chrome OS is offering an official Windows Desktop via Parallels, Enterprise customers have a fully-supported and very viable way to access legacy applications while still embracing the cloud. That’s all fine and well for companies that have the means to purchase high-end Chromebooks along with licenses for Windows and Parallels but not so much for us common folk. Lucky for us – where there’s a will, there’s a way and we have a way.

    In the early days of Chrome OS, running a separate operating system meant putting your device in developer mode and jumping through a bunch of hoops to essentially dual boot a version on Linux on your machine. In all honesty, the process isn’t that difficult and when you’re finished, you have a fully-functional version of Linux running side-by-side with Chrome OS. The main drawback – aside from the technical expertise required – was the fact that developer mode technically makes a Chromebook less secure and it throws out any and all support you may get from Google should you brick your machine.

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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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