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today's howtos

Submitted by Roy Schestowitz on Thursday 14th of January 2021 05:01:07 AM Filed under
HowTos
  • Openstack RDO && KVM Hypervisor: Adding packaging and refactoring known sample of Java CRUD Application for Tomcat 9.0.41 ( Mysql 8.0.22)

    Why packaging is important ? That is pretty straight forward Java coding which looks and works pretty good . However , all compiled classes appear to be placed in one folder WEB-INF/classes/ and in some way this minor design issue hides a business logic of apps see https://www.javatpoint.com/crud-in-servlet . Once again Connection to mariadb-Server on F33 is encapsulated in separate class end matches the most recent requirements (8.0.22)

  • How to Create a KVM Virtual Machine Template

    A virtual machine template is essentially a copy of the installed virtual machine that comes in handy when you want to deploy multiple instances of virtual machines. Creating a template is a 3 step process that involves creating a virtual machine, installing all the requisites packages that you want to be installed, and finally cleaning up the template.

  • How to Use Vim: A Guide to the Basics

    Vim is the most powerful and versatile code editor available for Unix-like systems. It is an extension of the Vi editor developed by Bill Joy. Vim is available by default on most Linux and BSD systems.

    Thus, you can use the same editor on all of your systems and remote machines. Vim's rigorous vocabulary also makes it extremely efficient and expressive.

  • How to install Steam on a Chromebook in 2021

    Today we are looking at how to install Steam 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.

    This tutorial will only work on Chromebooks with an Intel or AMD CPU (with Linux Apps Support) and not those with an ARM64 architecture CPU.

    Sadly not all Steam games work in Linux, here is a list of games that should work if you have enough space and computer power to run them. Also if any of these games are interesting for you, then you can play them via GeForce Now, a cloud gaming platform by Nvidia, with either a free or paid account. The games just have to be in your Steam, Epic Games, etc, libraries.

  • How to install Zoom on Linux Mint 20.1 - YouTube

    In this video, we are looking at how to install Zoom on Linux Mint 20.1.

  • How to install the newest version of Firefox on your Chromebook (2021)

    Consumers love options. It's just a fact and it's what makes our buying decisions as unique and diverse as we are. For Chromebook users, the Google ecosystem is likely the first stop when it comes to finding and using applications on Chrome OS. That said, a little variety is nice and there are some that would like to use platforms outside of Google's offerings. One area in which that rings very true is web browsers. When you log into your Chromebook, you're inherently going to use the Chrome browser. It is, after all, Chrome OS. That does not mean that you have to be married to Google's browser. You have options and we have covered a few of them in the past.

  • Deploying a virtual TripleO standalone OpenStack system | Enable Sysadmin

    A walk-through on how to deploy a virtualized TripleO standalone system, including creating the components need to launch and connect to a VM. Also included is how to cleanup the deployment.

  • Centos 7 Linux Forgot Password Solution- How to Change it - Linux Shout

    Here is the proper step by step guide to reset the forgotten password of CentOS 7 or 8 Linux systems. You can use the same for RedHat 7/8 as well.

    If it is not stored in a certain file, it is easy to forget the login password for operations that are rarely used several times a week like logging in to the server.

  • Getting started with Tekton and Pipelines

    Tekton is a powerful, Kubernetes-native framework for creating continuous integration and delivery (CI/CD) systems. In this article, we’ll use real-world examples to show you how to install Tekton, create Tasks, and eventually create our own pipeline.

    What’s a pipeline?

    Great question! In software development, pipelines are automated processes that drive software through a process of building, testing, and deploying code. Such an efficient process can help minimize human error, as well as maintain consistency in deployment. Since Tekton is cloud-native, its pipelines are containerized and don’t have dependencies on other projects, mitigating potential issues and saving you time.

  • Prevent WordPress From Converting Double Hyphen (‐‐) Into Dash (–) - ByteXD

    This short post covers how to stop WordPress from converting double hyphens (--) to single dash (–)

    First, the solutions I use. They are, most likely, not the optimal ones, but have worked for me and I think and are user friendly, as they don’t require you to create a plugin yourself or edit WordPress core files. I consider them as a temporary solution to be able to get on with your work instead of spending time finding the ideal fix.

  • 5 methods to open the Command Terminal in Ubuntu Linux - Linux Shout

    Best possible different ways to open and run command terminal on Ubuntu Linux distros using variosu keyboard and GUI shortcuts

  • Forward and Reverse Proxy Differences Explained | FOSS Linux

    Proxies are placed between various connections online. Because of the variations in the dimensions of the different connections, different types of proxies exist. While some proxies indicate a direct relationship between the proxy server and the client, some tell you which of the gadgets the proxy server is. In some cases, it can even show data management or how to deal with privacy in such a scenario. Depending on the proxy position, it can either be a forward proxy or a reverse proxy.

    A point to note is that a forward proxy is different from a reverse proxy. As a result, this makes direct comparison complicated.

  • How to Install Signal on Ubuntu & Other Linux Distributions

    It’s been more than a year since we covered Signal as an ideal choice for instant messaging. While privacy-aware and tech-savvy people were already aware of the existence of this awesome application, Signal got the much deserved fame after the latest WhatsApp privacy policy updates.

    Whatever maybe the reason if you are new to Signal and you are wondering if you can use Signal on desktop, the answer is yes. You can install Signal on Linux, Windows and macOS systems along with your smartphone.

»

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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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