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today's howtos

Submitted by Roy Schestowitz on Tuesday 1st of March 2022 08:03:01 PM Filed under
HowTos
  • How to Use Email within Emacs

    Web email interfaces, such as Gmail, are often inefficient and insecure. All of them require you to always be connected to the Internet and do not support features such as mass tagging and filtering. However, if you’re already using Emacs to edit text, you can also use it to manage your email.

  • Every Linux Geek Needs to Know Sed and Awk. Here’s Why…

    sed and awk are every Linux power user's favorite tools. But what are they? And how do you use them to process text files?

    Two of the most under-appreciated Linux utilities are sed and awk. Although they can seem a bit arcane, if you ever have to make repetitive changes to large pieces of code or text, or if you ever have to analyze some text, sed and awk are invaluable.

    So, what are they? How are they used? And how, when combined, do they make it easier to process text?

  • How To Install Apache Tomcat 10 on OpenSuse 15 [ Step by Step ]

    In this tutorial, we will see step-by-step guidelines and the process of installing Apache Tomcat 10 on OpenSuse 15.

  • How to install OpenNMS Network Monitoring Platform on Ubuntu & Debian Servers

    In this post, you will learn how to install OpenNMS

    OpenNMS (Open Network Management System) is a free, open-source, enterprise-grade platform and cross platform java-based networking management system is designed to monitor and analyze large amount on data on remote servers and can generate data in simple form for you to easily analyze it. It gathers the information of remote hosts by using JMX (Java Management Extensions and SNMP. It runs both on Window & Linux Servers which includes web-based console for administrating networks and applications

  • How to Secure Apache Web Server with Let's Encrypt on RHEL 8

    In an online world that is constantly awash with security threats, securing your web server should be foremost in one’s mind. One of the ways of securing your web server is implementing the HTTPS protocol on your site using an SSL/TLS certificate. An SSL/TLS certificate not only secures your site by encrypting information exchanged between the web server and users’ browsers but also helps in Google ranking.

    In this guide, you will learn how to secure Apache (http) web server with Let’s Encrypt SSL/TLS on RHEL 8.

  • Encrypted block devices Centos RHEL 8 easy

    Disk encryption protects the data on a block device to be encrypted. To access the device’s decrypted contents, a user must provide a passphrase or key as authentication. It is essential for mobile computers and removable media. In addition, it helps protect the device’s contents even if it has been physically removed from the system. The LUKS format is a default implementation of block device encryption in RHEL.

    The Linux Unified Key Setup-on-disk-format (LUKS) enables you to encrypt block devices, and it provides a set of tools that simplifies managing the encrypted devices. LUKS allows multiple user keys to decrypt a master key, which is used for the bulk encryption of the partition.

  • Linux Essentials - usermod - Invidious

    The Linux Essentials series on LearnLinuxTV consists of mostly stand-alone episodes that are each dedicated to a specific command or feature in Linux. In this episode, we'll go over the basics of the usermod command.

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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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