today's howtos

posted by Roy Schestowitz on Jan 10, 2024

• ID Root ☛ How To Install Julia Programming Language on Debian 12

  In this tutorial, we will show you how to install Julia Programming Language on Debian 12.  In the realm of technical computing, the Julia programming language has emerged as a powerful tool. With its high-level, high-performance dynamic capabilities, Julia offers a syntax that is comfortably familiar to users of other technical computing environments.

• Own HowTo ☛ How to install gufw on Ubuntu 22.04

  In this tutorial, you will learn how to install ufw gui on Ubuntu 22.04.

  The ufw firewall is preinstalled in Ubuntu 22.04, which means you don't need to install ufw firewall manually to use it in Ubuntu 22.04.

• ZDNet ☛ How to add song recognition to the GNU/Linux desktop

  If GNU/Linux is your desktop operating system of choice, and you'd like to add song recognition software into the mix, SongRec has your back.

• Ubuntu Handbook ☛ How to Install Latest libheif to handle HEIF/AVIF in Ubuntu 22.04/20.04

  This simple tutorial shows how to install the latest version of libheif library, for better HEIF and Hey Hi (AI) image formats support, in Ubuntu 22.04 and/or Ubuntu 20.04 LTS. Libheif is a popular free open-source library for encoding and decoding HEIF and AVIF. Which, also has partial support for JPEG-in-HEIF, JPEG2000, uncompressed (ISO/IEC 23001-17:2023) capabilities.

• Steinar H Gunderson ☛ Steinar H. Gunderson: IOS-XE HTTPS certificates from Let's Encrypt

  Newer Cisco wireless controllers run IOS-XE instead of AireOS, but they still don't speak ACME (which would let them integrate with Let's Encrypt); they support only SCEP, which I guess is basically Microsoft-and-Cisco only? Something like that.

  But it is possible to get it to work nevertheless, and get proper and free certificates for the web administration interface. Unfortunately, I don't think you can use HTTP authentication (since you can't drop arbitrary files into webui:), but assuming you've got some sort of DNS authentication going, you can use that and then autodeploy the certificate using a script as follows: [...]

• Installing OpenSSL Libraries on Ubuntu Linux

  OpenSSL which is widely used across all kinds of operating systems is a general-purpose cryptography library and a full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.

• How Apache Groovy makes working with strings easy

  A “string” in programming is zero or more characters that you can think of as (mostly) a single entity. It’s a concept that exists in most programming languages. In Java, and therefore in Groovy, strings are primarily created as instances of the class String. (If you haven’t installed Groovy yet, please read the intro to this series.)

• TecAdmin ☛ How to Resolve “CORS no allow credentials” in Apache

  It seems like you’re encountering an issue with Cross-Origin Resource Sharing (CORS) when using Apache. CORS is a security feature that allows or restricts resources on a web page to be requested from another domain outside the domain from which the first resource was served.

• Ubuntu ☛ Understanding roles in software operators

  In today’s blog we take a closer look at roles – the key elements that make up the design pattern – and how they work together to simplify maintaining application infrastructure.

• OMG Ubuntu ☛ Put Bluetooth Battery Levels in Ubuntu’s Quick Settings Menu

  A new GNOME Shell extension makes it easier to check Bluetooth battery status in Ubuntu 23.10. Emphasis on easier as we can already see battery level for connected Bluetooth devices from the Settings > Power pane, no extensions required. But out of sight, out of mind! Not so with the Bluetooth Battery Meter GNOME Shell extension.

• It's FOSS ☛ Free Command Examples

  The free command in GNU/Linux helps you gain insights on system memory usage (RAM), and more. Here's how to make good use of it.

• Adam Young: Running a UEFI program upon reboot

  Linux is only one of the Operating Systems that our chips need to support. While some features need a complete OS for testing, we want to make sure that features are as tested as possible before we try to debug them through Linux.

• idroot

  • ID Root ☛ How to Check Which Shell You Are Using on Linux

    In the vast world of Linux, the shell plays a pivotal role. It is the command-line interface that allows users to interact directly with the operating system. Whether you’re executing commands, running scripts, or managing files, the shell is your gateway to Linux’s powerful functionality.

  • ID Root ☛ How To Install Nethogs on Debian 12

    In this tutorial, we will show you how to install Nethogs on Debian 12. Nethogs is not your average network monitoring tool. Instead of breaking down traffic per protocol or per subnet, as most tools do, Nethogs groups bandwidth usage by process.

• linuxcapable

  • Linux Capable ☛ How to Install HWE Kernel on Linux Mint 21 or 20

    This guide will cover how to install HWE Kernel on Linux Mint 21 or 20 using the command-line terminal, ensuring an easy and quick installation process. The Hardware Enablement Stack, commonly referred to as HWE Kernel, is an essential upgrade for Linux Mint users seeking to enhance their system’s compatibility and performance.

  • Linux Capable ☛ How to Install OpenShot on Linux Mint 21 or 20

    This guide will demonstrate the installation of OpenShot on Linux Mint 21 or 20 using the command-line terminal. We will explore two methods: employing APT with the default repository or through the OpenShot developer team’s LaunchPPA PPA, and alternatively, using Flatpak with a third-party repository.

  • Linux Capable ☛ How to Install Caddy on Fedora 39, 38 Linux

    This guide will demonstrate how to install Caddy on Fedora Linux, presenting two distinct methods: the use of Fedora’s default appstream and the alternative approach employing caddy copr via the command-line terminal. Caddy Web Server, known for its simplicity and efficiency, stands out as an innovative solution in the realm of web servers.

• Adam Young: Print the line after a match using AWK

  We have an internal system for allocating hardware to developers on a short term basis. While the software does have a web Hey Hi (AI) it is not enabled by default, nor in our deployment. Thus, we end up caching a local copy of the data about the machine. The machine names are a glom of architecture, and location. So I make a file with the name of the machine, and a symlink to the one I am currently using.