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today's howtos

Submitted by Roy Schestowitz on Friday 14th of January 2022 08:43:25 PM Filed under
HowTos
  • Kafka and ZooKeeper contains Podman

    Apache Kafka and ZooKeeper is a distributed data store with optimization for ingesting and processing streaming data. Streaming data generated thousands. A streaming platform needs to handle this constant influx of data sequentially and incrementally process the data. Visit Apache Kafka’s site for more info. Also, try the tutorial Apache Kafka WebUI for those who want Web interface.

  • How to install RoundCube Webmail on Ubuntu 18.04/20.04 and Debian 9/10

    In this post, you will learn how to install RoundCube Webmail on Ubuntu / Debian

    Roundcube is free open-source web-based email client written in PHP. We can access webmail client in our browser, meaning that instead of using Desktop based Web Clients we can access our mailbox in Browser. It has suppoprt for LAMP/LEMP Stack, We can import mails from mailboxes like Google,Yahoo etc. It has features like Message Filter, MIME Support, Spell Checking, Folder management etc.

  • How to Make iptables Rules Persistent after Reboot on Ubuntu and CentOS System

    iptables is a powerful tool to help configure access to various ports on your computer or server. It provides the level of control that makes it possible to configure what network traffic is permitted or denied to the system.

    The main quirk about iptables is that, by default, the configurations for iptables will not persist after a reboot. After configuring your system’s iptables rules, there is one more important step thay you must do in order to make sure the rules are still there after a reboot.

    In this tutorial, you will see how to make iptables rules persistent after reboot on Ubuntu and CentOS based systems.

  • Upgrade PHP from 7.2/7.3 to 7.4 on Ubuntu - LinuxWizardry

    If you are running an older version of Ubuntu, chances are you have either PHP 7.2 or 7.3 running. PHP 7.2 was originally released on November 30, 2017, and stopped receiving active support on November 30, 2019 meaning known security issues will not be fixed. It’s therefore important to upgrade.

    By default, older versions of Ubuntu have the packages for PHP 7.4, so here’s how to upgrade.

  • How to Install PHP 8 on Ubuntu 20.04 using a PPA - LinuxWizardry

    PHP is by a long stretch, one of the most popular server-side programming languages in the market. It’s is ised by over 50% of all websites. Popular websites like WIkipedia, WordPress, Facebook, Magento, and Laravel are all written in PHP.

    PHP 8.0 is the latest major release of the PHP language. It introduces several breaking changes, performance improvements, and lots of new features such as named arguments, JIT compiler, union types, match expression, and more.

    This article will show you how to install PHP 8 on Ubuntu 20.04 and integrate it with Nginx and Apache. At the time of writing, the default Ubuntu 20.04 repositories include PHP 7.4 version. We’ll install PHP from the ondrej/php PPA repository.

  • Apt-Get - Command Not Found ! - buildVirtual

    The Advanced package tool, commonly known as APT, is a application which allows for the management, installation and removal of software packages on Debian-based Linux distributions such as Ubuntu. Apt greatly simplifies the process of managing software applications on Debian Linux by automating the download and installation of software packages, from local or remote software repositories.

    APT is not a single command, rather it is a collection of tools distributed as package, which includes tools such as apt, apt-cache and apt-get.

    This is great for admins as it makes software management much easier – but what happens when it doesn’t work, and you get the “Apt Get – Command Not Found” message? This article looks at how you can troubleshoot the apt command.

  • What Is POSIX? How It Relates to Linux

    When you use Linux, you may hear people talking about POSIX compliance. What does that mean? This article will explain POSIX's relation to Linux and the attempt to standardize operating systems.

  • Network Intrusion Detection Using Snort

    This document takes you through the basics of intrusion detection, the steps necessary to configure a host to run the snort network intrusion detection system, testing its operation, and alerting you to possible intrusion events.

    Snort is a software-based real-time network intrusion detection system developed by Martin Roesch that can be used to notify an administrator of a potential intrusion attempt. The ever-increasing amount of Internet crackers, armed with "ready-to-run" exploits, as well as the sophisticated attacker that's intent on defacing your web page necessitates the use of a method to track their activity and alert you to this.

»

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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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