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today's howtos

Submitted by Roy Schestowitz on Friday 6th of August 2021 05:48:18 PM Filed under
HowTos
  • How To Install Apache Tomcat on AlmaLinux 8 - idroot

    In this tutorial, we will show you how to install Apache Tomcat on AlmaLinux 8. For those of you who didn’t know, Apache Tomcat (formerly known as Jakarta Tomcat) is an open-source web server developed by Apache to provide a Java HTTP server that allows you to easily run Java files. In most of the production, Tomcat is used in conjunction with Apache HTTP Server where Apache HTTP Server attends static content like HTML, images, etc., and forwards the requests for dynamic content to Tomcat.

    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 Apache Tomcat for system administration on AlmaLinux 8. You can follow the same instructions for Rocky Linux.

  • How to Install and Configure HAProxy on Rocky Linux 8

    When you deploy an application on the Internet, the availability, scalability and performance of the application are very important for a better user experience. There are many technologies that introduce redundancy, such as load balancing, clustering and proxy.

    HAProxy is a free, open source and reliable load balancer designed for high traffic websites. It load balances incoming traffic by distributing it across multiple backend servers.

    In this article we show you how to install HAProxy on Rocky Linux 8.

  • How to Install Fail2ban with Firewalld on Rocky Linux 8.4

    Fail2ban is a system daemon for protecting servers from malicious login and brute-force attacks. Fail2ban is an open-source IPS (Intrusion Prevention Software) framework written in Python and it's extremely configurable. It works as a daemon service that will monitor SystemD journal and log files and then looking for any failed authentication attempts. When the failed authentication reaches the max X number, the fail2ban will automatically block the IP address using the firewall software.

    If you're a VPS (Virtual Private Server) or dedicated server owner, you should consider installing fail2ban on all of your servers. It will help you to protect some basic services such as SSH and FTP from malicious brute-force attacks. Also, fail2ban is very handy, easy to configure, and flexible.

    In this guide, you will learn how to install fail2ban on Rocky Linux, configuring fail2ban with firewalld, and securing the SSH service against brute-force attacks.

  • How to Convert a PDF File to PNG/JPG Image in Linux – VITUX

    Portable Document Format (PDF) files are widely used nowadays. Images in any format are still easier to edit and manipulate than PDF files so it is general practice to convert pdf files to images to edit them.

  • Podman Tutorial - Get Started With Podman - OSTechNix

    This tutorial explains how to get started with Podman in Linux operating systems. By the end of this Podman tutorial, you will learn Podman basics, such as how to search and download images, create a new container from the image, run a container, remove a container, and build your own image from the container and more.

    Before we get started with Podman, make sure you have installed Podman on your Linux machine.

  • 20 Command Line Tools to Monitor Linux Performance [Ed: Just updated]

    It’s really a very tough job for every System or Network administrator to monitor and debug Linux System Performance problems every day.

    After being a Linux Administrator for 10 years in the IT industry, I came to know that how hard is to monitor and keep systems up and running.

    For this reason, we’ve compiled the list of Top 20 frequently used command line monitoring tools that might be useful for every Linux/Unix System Administrator.

»

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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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