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today's howtos

Submitted by Roy Schestowitz on Monday 26th of July 2021 06:27:37 PM Filed under
HowTos
  • Commands to find Linux-package updates | Network World

    Did you know that you can ask your Linux system to tell you what upgrades are available for the packages installed on it? You might be surprised by how many you’ll see, especially if you’re using the current release and don’t have your system set up for frequent or automatic updates.

    Updates play an important role in keeping your Linux systems secure and performing well. Since most packages are updated as fixes or improvements to the code become available, it’s hard to predict how many will show up on any particular day. (Note: Updates should be done when your system is not performing other important tasks.)

  • Live patching Kubernetes nodes | SUSE Communities

    Rancher’s system-upgrade-controller allows to upgrade Kubernetes nodes using privileged pods within that Kubernetes cluster. This can be very helpful to install latest updates to fix CVE or to upgrade used software to a later version. But sometimes those updates require the system to reboot to take effect.

    This might be no problem for most of the workloads running in pods on that machine. But what if your workload isn’t stateless and its rescheduling would lead to outages of your services?

    SUSE’s Kernel live patching might help here as the Kernel modules of the Kubernetes node can be updated without requiring a reboot of the machine and without forcing the pods to be rescheduled.

  • Zypper Package Manager Cheat Sheet - Make Tech Easier

    Zypper is the default package manager for openSUSE distributions and SUSE Linux Enterprise Servers. It differs from APT and YUM package managers, as it employs SAT solver, one of the best package dependency libraries. This Zypper cheat sheet covers the main zypper commands, segmented into various categories.

  • How to Install CSF (Config Server Firewall) on CentOS 8

    CSF is a Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers.

    t consists of the firewall itself (CSF) which is comprehensive, straightforward, easy, and flexible to configure.

    It also has a Login Failure Daemon (LFD) that perfectly complements CSF. This LFD runs all the time and periodically (every X seconds) scans the latest log file entries for login attempts against your server that continually fail within a short period of time. Such attempts are often called “Brute-force attacks” and the daemon process responds very quickly to such patterns and blocks offending IP’s quickly

  • How to Install MERN Stack for JS based applications on Ubuntu 20.04

    The MERN Stack is made from four components: MongoDB, Express, React, and Node. It provides a bundle of JavaScript technologies used for building dynamic JS websites.

    MongoDB is an open-source and most widely used NoSQL database system used for developing robust web applications. Express.js is a Node.js web application framework used for developing hybrid web-based applications. React.js is an open-source JavaScript framework used to create a front-end interface for mobile applications. Node.js is a JavaScript environment that allows developers to run codes on the server.

    In this guide, we will show you how to install the MERN stack on Ubuntu 20.04.

  • Setup Local WordPress Development Environment In Linux - OSTechNix

    This detailed tutorial explains what is LocalWP, benefits of using LocalWP, how to install LocalWP to deploy and setup local WordPress development environment in Linux and Unix-like operating systems.

  • How to Install Odoo on AlmaLinux 8 - RoseHosting

    Odoo is a group of open-source business apps that offers a wide range of applications including, CRM, accounting, billing, inventory, warehouse, e-commerce, project management and more. It is simple, customizable, fully integrated and helps you to manage your business and be more efficient wherever you are. It is written in Python and uses PostgreSQL as a database backend.

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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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