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today's howtos

Submitted by Roy Schestowitz on Wednesday 25th of August 2021 04:15:59 PM Filed under
HowTos
  • How to Enable & Disable AppArmor on Ubuntu 20.04 - LinuxCapable

    Ubuntu operating systems come with AppArmor, a Linux kernel security module that allows the system administrator to restrict programs’ capabilities with per-program profiles. Profiles can allow network access, raw socket access, and permission to read, write, or execute files on matching paths. Rhel family users would notice this is similar to Selinux; however, they work a bit differently and have pros and cons each.

    The following will cover how to enable and disable AppArmor and individual profiles; normally, most users would not need to adjust any settings with AppArmor, but if the need arises, some simple commands are all needed in the tutorial will explain.

  • How To Upgrade Debian 10 to Debian 11 "Bullseye" – TecAdmin

    Debian is known for its stability and reliability and preferred choice to set up a server for businesses and organizations. Debian recently got the latest release called Bullseye. Bullseye comes with many enhancements and upgrades. It offers a list of desktop environment support such as Gnome 3.38, KDE Plasma 5.20, LXDE 11, LXQt 0.16, and MATE 1.24. Moreover, this release has now 11,000 new packages and driverless printing and scanning support. This update also removes many obsolete packages. The manual page has also got significant improvements.

    Seeing these enhancements and features will push every Debian user to upgrade except for the production servers. The production servers should wait for few months before upgrading to Debian 11 “Bullseye”. If you are using Debian 10 Buster and in search of a procedure to upgrade to Debian 11 then you are on the right spot.

    This write-up will give you a thorough guide on how to upgrade from Debian 10 to Debian 11 Bullseye.

  • How To Install HAProxy on AlmaLinux 8 - idroot

    In this tutorial, we will show you how to install HAProxy on AlmaLinux 8. For those of you who didn’t know, HAProxy is one of the most popular open-source load balancing software, which also offers high availability and proxy functionality. It is particularly suited for very high-traffic websites and powers quite a number of the world’s most visited ones.

    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 HAProxy high-performance TCP/HTTP load balancer on AlmaLinux 8. You can follow the same instructions for Rocky Linux.

  • How to Install Graylog Server on Ubuntu 20.04

    All systems, applications, and software generate information that is stored in files called logs. These logs must be constantly monitored to ensure the proper functioning of the system in question and prevent errors or security risks. They are often scattered over several servers and, as the volume of data increases, their management becomes more and more complex.

    Graylog is a free and open-source enterprise-grade log management system that comprises Elasticsearch, MongoDB, and a Graylog server. It consists of the main server, which receives data from its clients installed on different servers, as well as a web interface, which is used to view the data collected by the server. Graylog is a similar tool like Splunk and LogStash.

    In this tutorial, we learn how to install Graylog 4 on Ubuntu 20.04. We will also secure the Graylog server with an SSL certificate using Let's Encrypt.

  • How to Install Gulp.js on CentOS 8

    Gulp is a free, open-source, and cross-platform JavaScript toolkit that allows you to automate many development tasks. It is a task runner built on Node.js and npm and used for automating many time-consuming tasks such as minification, concatenation, cache busting, unit testing, linting, optimization, etc. Gulp plugins are simple and designed to do a single job.

    In this post, we will show you how to install Gulp on CentOS 8.

  • How to Install and Use Terminator Terminal in Linux

    Basically, a Linux terminal environment enables a user to carry out various system functionalities like file management, system update, and applications management through a variety of executable commands. What if you are able to achieve all these Linux terminal environment objectives but in a flexible manner?

  • How to Install the Brackets Code Editor on Ubuntu 20.04

    Brackets code editor is an open-source program. It is a code editor that assists web developers and designers in developing the front-end interface and also backend code of their websites. It is quite light in weight. It is compatible with a wide range of operating systems, including macOS, Windows, and Linux.

    We've covered some of the most important features of this code editor program. This program allows the user to work on many files at the same time. It supports the installation of many extensions. Almost all file types are supported by the brackets code editor. This tool is the ideal solution if you want to modify big amounts of code.

  • How to choose a Backup Tool for Linux – VITUX

    A computer system without proper backup is as vulnerable as a piece of software without updates. The problem comes when we want to restore our system to a particular time point and can’t find the right tool to do so. In this guide, I will show you two tools that you can use to back up a Linux system. This tutorial doesn’t need a particular distribution running on your machine. You can have whatever you need. You must know how to choose a backup tool for Linux which is efficient and faster to get things done.

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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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