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today's howtos

Submitted by Roy Schestowitz on Monday 30th of August 2021 04:10:37 PM Filed under
HowTos
  • Ripple wallet on Linux

    Ripple is the native cryptocurrency for products developed by Ripple Labs. Its products are used for payment settlement, asset exchange, and remittance systems that work more like SWIFT, a service for international money and security transfers used by a network of banks and financial intermediaries. Ripple wallet. Check openssl.

    Ripple is pre-mined and uses a less complicated mining method as compared to Bitcoin.

  • Linux/BSD command line wizardry: Learn to think in sed, awk, and grep

    As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and angle brackets—something I never did in day-to-day system administration. Honestly, I doubted the real-world value of that. Surely, this was just an exercise in e-braggadocio, right?

    Trying to read the man pages for the utilities most frequently seen in these extended command chains didn't make them seem more approachable, either. For example, the sed man page weighs in at around 1,800 words alone without ever really explaining how regular expressions work or the most common uses of sed itself.

    If you find yourself in the same boat, grab a beverage and buckle in. Instead of giving you encyclopedic listings of every possible argument and use case for each of these ubiquitous commands, we're going to teach you how to think about them—and how to easily, productively incorporate them in your own daily command-line use.

  • How to use the Fetch API in JavaScript

    In web development you will often need to connect/communicate with other web servers to get information/data. For example, when signing up for a new account on some websites you will often see an option to sign up using your Gmail or other third party accounts. This enables you to sign up for a new account with just a single click instead of manually filling out the whole form. When you select the “sign up using a third party account” option then the application communicates with the third party application’s server and sends a request to access your information that is stored there. This request is sent through API which is a set of rules that govern how different applications or systems communicate with each other. In this article we will learn to use JavaScript to send such requests.

  • How to set up Mariadb Galera cluster on Ubuntu or Debian Linux

    This guide explains how to set up MariaDB high-availability cluster for the database using the Galera library, which provides a virtual mater-to-master three-node cluster running on Debian or Ubuntu Linux.

  • Is Your Wifi Not Working on Linux?

    One of the biggest challenges Linux users often face is related to Wifi. This is because Wifidrivers are often missing in the kernel. Resultantly, users have to face various issues related to “Wifi not working.” These issues are more common if you are using non-Intel Wifi modules. In this guide, we will be addressing all the major connectivity issues on Ubuntu-based Linux distros so that you can get back online as soon as possible.

  • How to install the Zettlr markdown editor on Linux

    Zettlr is a fantastic markdown editor for Linux, Mac, and Windows. It has a lot of really useful features, such as support for YAML, citations, support for LaTeX, etc. In this guide, we’ll go over how to set up Zettlr on Linux.

  • How to install and use R and RStudio in Linux – VITUX

    R is a programming language that is mostly used for statistical computing, data mining, and graphics. RStudio is an Open Source and free-to-use integrated development environment (IDE) for R.

  • How to copy-paste on Ubuntu terminal

    In user-interface design and human-computer interaction, copy-paste are operations that provide an interprocess communication mechanism for moving data via the user interface of a system. The copy command duplicates the data and saves it to temporary storage (the clipboard). Then this data from the clipboard is pasted into the desired location. The copied data is accessible to any program that supports the functionality and allows itself to transfer data easily.

    You may need to write long commands or sentences obtained in a file or on the internet while working on the Ubuntu terminal. You can save your precious time by utilizing copy-pasting techniques rather than entering them word by word. Using the standard keyboard commands Ctrl+c and Ctrl+v, you may have copied and pasted text multiple times in your Ubuntu Graphical User Applications such as LibreOffice, Gedit, OpenOffice. However, you may be surprised to learn that many common keyboard shortcuts do not work in Ubuntu Terminal.

  • How to Install and Use Jitsi Meet on Linux

    Jitsi Meet is an open-source video-conferencing service without any privacy concerns. Here's how to install it on your Linux system.

    More of us are working remotely now than ever before. Not only that, many of us have attended everything from online book discussions to digital concerts and parties. Often all of this takes place over Zoom, a proprietary app that can feel problematic to some Linux users.

    But you’re not stuck dependent on this one service. There’s a free and open-source alternative that doesn’t come with the downsides of being beholden to just one profit-driven company. And its name is Jitsi Meet.

  • How do I find and kill a process in Ubuntu

    One or more of your programs or processes may hang from time to time while using Ubuntu. In this situation, you find yourself looking for methods to conveniently, quickly, and safely halt the unresponsive processes and applications because restarting your system is not always the best solution. This article will show you how I find and kill a process in Ubuntu using both the command line and Ubuntu User Interface. Before jumping into that, firstly, we will check out a brief introduction of a process:

  • How To Install and Set up 1Password on Linux Desktop

    In the era of globalization, we can not do anything without the internet. On the web, we need to create accounts for tons of websites for business, office, and personal work. Creating accounts is not the problem; it provides a strong password and remembers them for each website. There are many free, paid, self-hosted password managers available on the web. 1password is one of the best and most used paid password managers for Android, Windows, and Linux. It uses strong hash encrypted passwords for securing the logins and allows to share password volts with others.

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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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