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today's howtos

Submitted by Roy Schestowitz on Wednesday 2nd of February 2022 12:18:11 AM Filed under
HowTos
  • Multiple Ways To Restart Pods In Kubernetes [How To]

    Pods are the smallest deployable units in Kubernetes. A pod is a group of one or more containers. You need to have kubectl tool installed along with the minikube cluster at first.

  • Linux crontab tutorial with Examples

    If you already have some experience as a Linux system administrator, chances are you know what cron is and what it does. If you’re just starting working with Linux, it’s essential knowledge that will certainly serve you later. Either way, if you already have the knowledge, this article will refresh it. If not, you will get a guide to start you up. So you’re only expected to have some basic knowledge of Linux systems and, as usual, a desire to learn.

    Cron’s name comes from Chronos, the Greek personification of time. And it’s a very inspired choice, because cron helps you schedule different tasks you want your system to perform at given times. If you used Windows systems, chances are you stumbled across the Scheduled Tasks tool. Generally speaking, the purpose is the same, the differences are…well, too many to name here.

  • Terraform Count Examples - buildVirtual

    The Terraform count meta argument allows you to deploy multiple resources using the same Terraform configuration block. This is useful when you need to deploy things like virtual machines (perhaps for Azure Virtual Desktop), which have the same configuration.

  • How to Install Apache ActiveMQ on Ubuntu 20.04 – VITUX

    Apache ActiveMQ is an open-source message broker written in Java. It supports several cross-language clients and protocols.

    The Apache ActiveMQ message broker is a fast, reliable, scalable, and totally integrated open source messaging platform for handling lots of messages (ingest) or lots of consumers (dispatch). It uses memory as the storage format; it can be configured to store data persistently on a disk if necessary. The initial startup time can be slow due to the fact that ActiveMQ will load all historical information into memory. However, after the first startup period, which could take up to several minutes depending on how much history you have stored in your queues and other configuration settings, performance starts to scale well up until a point when we consider other factors such as system resources.

    Based on its origins as an experience of just moving from an in-house messaging solution to a commercial product, ActiveMQ can be considered as one of those products that have been constantly developed and improved, offering extremely high quality and solid stability.

    ActiveMQ provides both a simple embedded broker and a fully deployed, highly available enterprise solution. Its most important features and strengths are high availability and failover (a setup with one broker can survive up to 99.999% of message loss), support for many ways of connecting clients (including web consoles, command-line tools, and libraries, JMS client libraries, etc.), clustering across physical boundaries, load balancing through multiple internal queues per topic, flexible configuration such as persistent or non-persistent messages according to the need, the persistence of data by file or database, security implementation based on JAAS authentication model which also supports LDAP implementation.

  • How to install MuseScore on a Chromebook

    Today we are looking at how to install MuseScore on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.

  • How to get the current Date and Time in Python

    Python is a popular programming language widely used in today’s world providing versatility in different related sectors. One of the cool things that we can do with python is to get the current date and time.

    Using the datetime module which is preinstalled in python, we can manipulate date and time like getting the current date and time in different ways. In this article, we are going to show the different examples to get the current date and time in python.

  • How to use patsplit (GNU AWK)

    patsplit was introduced in version 4.0 of GNU AWK. It's a string splitter, and it allows you to dissect a string more flexibly than you can with AWK's substr function.

    Given a string, patsplit breaks the string into pieces that match a regex and stores the pieces in an array. It returns the number of pieces.

  • Install NetBeans IDE on Rocky Linux 8 - kifarunix.com

    In this tutorial, we will cover how to install NetBeans IDE on Rocky Linux 8. NetBeans IDE is a free and open source extensible Java IDE (Integrated Development Environment) that enable software developers to quickly and easily develop Java desktop, Java EE, and web applications, as well as HTML5 applications with HTML, JavaScript, and CSS. The IDE also provides a great set of tools for PHP, Ruby and C/C++ developers.

    Want to run NetBeans IDE on Rocky Linux 8 desktop? This guide will take you through how to install NetBeans IDE on Rocky Linux 8.

  • How to set up Kubernetes Cluster on Ubuntu 20.04 with kubeadm and CRI-O – Citizix

    Kubernetes is an open-source container orchestration system for automating software deployment, scaling, and management. Google originally designed Kubernetes, but the Cloud Native Computing Foundation now maintains the project. It groups containers that make up an application into logical units for easy management and discovery.

    Kubeadm is a tool used to build Kubernetes (K8s) clusters. Kubeadm performs the actions necessary to get a minimum viable cluster up and running quickly.

    In this guide we will learn how to use kubeadm to set up a kubernetes cluster in Ubuntu 20.04.

  • How to install Wire Desktop on Zorin OS 16 - Invidious

    In this video, we are looking at how to install Wire Desktop on Zorin OS 16.

»

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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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