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today's howtos

Submitted by Roy Schestowitz on Tuesday 26th of April 2022 07:41:15 PM Filed under
HowTos
  • Smap: Alternate Network Scanner of Nmap by shodan.io [Examples] - TREND OCEANS

    Smap now brings all required features on hand to network admin or penetration tester without overgoing to shodan.io. Smap and Nmap are identical and generate the standard output, except Smap will also fetch public open port data from shodan.io as an addon to standard Nmap.

  • [Solved] Getting GOPATH error “go: cannot use path@version syntax in GOPATH mode”

    Let’s keep it simple recently, I tried to install one package using golang and got an error message claiming that golang can’t load the package, as shown below.

  • Ubuntu 22.04 Change login screen background

    If you are like most users, you will want to customize your Ubuntu 22.04 system to make it feel more personalized. One of the most obvious ways to do this is to change your desktop wallpaper. You can also take it one step further and change the background of your login screen.

    In this tutorial, we will go over the step by step instructions to change the login screen background on Ubuntu 22.04 Jammy Jellyfish GNOME desktop. This will involve the download of a Bash script to allow us the ability to change it.

  • Things to install on Ubuntu 22.04

    This tutorial explores various software that you can install on Ubuntu 22.04 Jammy Jellyfish. There is a variety of things that can be installed on Ubuntu 22.04, hence we have divided all the software into two categories: Ubuntu user and DevOps.

    We not only provide you with ideas of what can be installed but also link to tutorials that take you through the installation process.

  • Ubuntu 22.04 GPG error: The following signatures couldn’t be verified

    The Ubuntu 22.04 GPG error: The following signatures couldn't be verified is the most common error when attempting to include third party package repositories to the apt package manager. The GPG error should rather be treated as a warning against potential package installation from unknown sources. Therefore, the GPG error message prompts the user to verify and manually import the third party signature belonging to relevant package developer.

    In this tutorial, you will see how to remedy this error so that you can install the software from your intended PPA repository on Ubuntu 22.04 Jammy Jellyfish.

  • Ubuntu 22.04 list services

    Many processes run as services managed by systemd on your Ubuntu 22.04 system. In this tutorial, you will learn how to list and change state for systemd services and unit files on Ubuntu 22.04 Jammy Jellyfish Linux Server/Desktop.

  • Ubuntu 22.04 NTP server

    NTP stands for Network Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. On a local network, the server should be able to keep all client systems to within a single millisecond of each other.

    Such a configuration would be necessary if, for example, the systems needed to start or stop a task in unison at a precise time. In this article, we’ll show you how to configure an NTP server on Ubuntu 22.04 Jammy Jellyfish and how to configure a client system to sync its system time with said server.

  • Install Microsoft fonts on Ubuntu 22.04 Jammy Jellyfish Desktop

    In this tutorial, we will perform the installation of Microsoft’s core TTF fonts on Ubuntu 22.04 Jammy Jellyfish Desktop. This includes fonts such as Andale Mono, Arial, Arial Black, Comic Sans, Courier New, Georgia, Impact, Times New Roman, Trebuchet, Verdana, and Webdings. These fonts have been around for many years and see constant use in all sorts of publications, so they are great to have as an option on Ubuntu 22.04 Jammy Jellyfish.

  • How to Burn ISO to DVD on Ubuntu 22.04 Desktop

    If you have an ISO file, such as Linux installation media, it is possible to create a DVD media from the file. In this tutorial, you will learn how to burn an ISO image to DVD using Ubuntu 22.04 Jammy Jellyfish Linux desktop.

  • How to install Kubernetes on Ubuntu 22.04 Jammy Jellyfish Linux

    Kubernetes is leading software in container orchestration. Kubernetes works by managing clusters, which is simply a set of hosts meant for running containerized applications. In order to have a Kubernetes cluster, you need a minimum of two nodes – a master node and a worker node. Of course, you can expand the cluster by adding as many worker nodes as you need.

    In this tutorial, we’re going to deploy a Kubernetes cluster consisting of two nodes, both of which are running Ubuntu 22.04 Jammy Jellyfish. Having two nodes in our cluster is the most basic configuration possible, but you’ll be able to scale that configuration and add more nodes if you wish.

  • Configure sudo without password on Ubuntu 22.04 Jammy Jellyfish Linux

    Are you tired of having to provide your administrator password when you use sudo? In this tutorial you will learn how to configure sudo without the password on Ubuntu 22.04 Jammy Jellyfish Linux. This means that the sudo command will not prompt you to enter password hence rendering your sudo command completely without a password.

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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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