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today's howtos

Submitted by Roy Schestowitz on Monday 12th of April 2021 10:27:47 AM Filed under
HowTos
  • How to create new users in OpenShift with htpasswd and OAuth

    Red Hat OpenShift is an enterprise-ready Kubernetes platform that offers many powerful features that meet today's enterprise needs. For example, one feature of OpenShift is its flexible way of integrating with different authentication mechanisms, whether basic authentication, LDAP, Active Directory, OpenShift login, GitHub login, and so on.

    As you start OpenShift the first time, you might find it super easy to leverage the htpasswd utility, which is a built-in tool for most Linux distributions and macOS. This article demonstrates how you can create your own htpasswd file and add it to Red Hat OpenShift through an intuitive web interface.

  • Fedora Magazine: Scheduling tasks with cron

    Cron is a scheduling daemon that executes tasks at specified intervals. These tasks are called cron jobs and are mostly used to automate system maintenance or administration tasks. For example, you could set a cron job to automate repetitive tasks such as backing up database or data, updating the system with the latest security patches, checking the disk space usage, sending emails, and so on. The cron jobs can be scheduled to run by the minute, hour, day of the month, month, day of the week, or any combination of these.

  • Beginner's Guide to Docker Restart Policy

    Docker provides a restart policy option to let your containers restart automatically in case of certain events or failures.

    This is extremely helpful in scenarios where you have to restart the Docker host (your Linux server) or if the service running in the container fails.

    Docker restart policies are applied on a per-container basis. There are two ways to assign restart policy to a container. You can set it in the YAML file if you are going to use Docker Compose or Swarm or Kubernetes.

    You can also set the restart policy directly in the command line when you run a container:

  • Install VirtualBox guest additions in Ubuntu 20.04 - PragmaticLinux

    Bummed that you can’t change the screen resolution in your freshly installed Ubuntu virtual machine? An easy fix exists for this: You just need to install the VirtualBox guest additions in your Ubuntu virtual machine. Besides automatically adjusting the screen resolution, you also get support for a bi-directional clipboard and shared folders. This article explains how to install the VirtualBox guest additions in an Ubuntu virtual machine.

  • LFCA: Learn Basics of Network IP Addressing – Part 9

    In our previous chapter of the LFCA series, we defined a computer network and briefly brushed over some of the general Linux networking commands that you can use to retrieve useful network information such as your IP address, subnet mask, open ports and so much more.

    In an interconnected world, networks play a huge role in enhancing seamless communication, access to information, and file-sharing. Because of computer networks, you can check your email, purchase a plane ticket, and download files.

    To better understand computer networks, we go a step further and look at the following salient points.

»

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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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