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today's howtos

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HowTos
  • How to Install Go in Ubuntu 20.04

    Go is a popular programming language created by Google. The first release was on November 10, 2009, and version 1.0 was released in 2012. It is a pretty new language compared to languages like Java, Python, C, C++, etc.. which has been in the market for more than 15 plus years.

    Go was Implemented with Assembly language (GC); C++ (gccgo) and Go. In many places, you may see people refer to go as golang and that is because of its domain name, golang.org, but the proper name is Go. Go is cross-platform, it can be installed on Linux, Windows, and macOS.

  • How To Install Telegram on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install Telegram on Ubuntu 20.04 LTS. For those of you who didn’t know, Telegram is a free and open-source instant messaging app that values user’s privacy and data encryption, which means as compared to Whatsapp all your messages will be on the company’s secure cloud in an encrypted form rather than on a local device. The benefit is, we can access our conversation on any device logged with the same account thus, they always are in synchronization.

    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 through the step by step installation of Telegram Dekstop on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian based distribution like Linux Mint.

  • Install Plex Media Server on CentOS 7/8

    Plex is a streaming service that is based on a client-server architecture. You can install Plex application on the media server to stream video, audio, music. On the other hand, you can install the client to access the content from your tablet, mobile devices.

  • Mandriva Linux Chronicles: Problems with Video Filed and a Nice Solution

    Because of the sanitary emergency, I have been teleworking all this year.

    For me, this has implied making lots of videos for my students, so I use InShot and Textro on an Android phone to record/ add effects and then I work on the computer for the post production. I have been relying on Kdenlive (on PCLinuxOS) and OBS Studio (on OpenMandriva and MX Linux, for live streams).

    But then, half way this year, I noticed that sometimes the audio of the videos that I edited on the phone with InShot was out of sync when I loaded them to Kdenlive.

    As a solution, I used Pitivi on Mageia to convert the videos, which fixed the problem. This additional step, however, is time-consuming and time has become an even more precious resource right now when one is teleworking.

    Today, I shot four videos and edited them on InShot. When I loaded them to the Kdenlinve project, to my distress, the audio was not in sync.

    I could not afford to run them through Pitivi and use up an average of 15 minutes on the conversion of each clip. I thought that, if I could join the clips together, the audio might be OK in Kdenlive. I was worth giving it a shot.

  • How to convert WebP-images to JPG and PNG using ffmpeg

    I came across some WebP-image the other day and wanted to convert it to a regular JPG. It turns out that’s rather easy with a Linux based operating system, all that you need is ffmpeg.

  • How I got started with Vim

    A long time ago my web browser of choice was Mozilla Firefox, and as most normal people I was using it primarily with my mouse and occasionally with some simple keybindings. That all changed back in 2011 when I started to get really invested in tiling window managers (and not long after a lot of text-based applications), simply because I found them to be the most efficient alternative for me. With the keyboard I could do swift actions in a matter of milliseconds, compared to the mouse where some actions could take multiple seconds to execute.

    My desktop from 2011 running the tiling window manager WMFS.

    The more I used my new setup with WMFS, the more conscious I got about my workflow in general, almost to the point where I became obsessed with optimizing everything in regard to how I used my computer. Bothered by how I was using Firefox, I had no choice but to look into how I could make my web browsing workflow more efficient.

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today's howtos

  • How to install ShellCheck on FreeBSD to analysis scripts - nixCraft

    ShellCheck is easy to use, free, and open-source static analysis tool that automatically finds bugs in your shell scripts. If you write shell scripts for automation or containers, you need this tool. Let us see how to install and use ShellCheck on the FreeBSD development Unix server.The post How to install ShellCheck on FreeBSD to analysis scripts appeared first on nixCraft.

  • How to Install and Configure Squid Proxy on Linux System

    Squid proxy server is an open-source proxy server for Linux distributions. You can install the Squid proxy server on your network to pass all your bandwidth through the proxy server. Now, you may ask why you would use the Squid proxy server? Here is the answer, the Squid allows you to connect your computers without an active internet connection through the proxy server. You can also enable the DNS cache, web cache, memory cache, and other internet caching to faster load the web pages. You can see that the Squid proxy server can enable caching, increase your server’s efficiency, improve the network performance, reduce bandwidth usages, and make your server secure.

  • Save a copy of all debian packages in the form in which they are installed and configured on your system
  • Install Kubernetes Dashboard

    Dashboard is a web-based Kubernetes user interface.

  • Pulling changes from GitHub to Git - The Linux Juggernaut [Ed: Careful not to conflate Microsoft proprietary software with Git, which is Free software. Git is not GitHub.]

    In our previous article, we demonstrated how we would push our git repositories from our local system out to GitHub. In this article, we will demonstrate how we would actually make changes in a file within a repository on GitHub and then pull the changes/updates to our local machine.

  • Fixing git/github merge conflicts - The Linux Juggernaut

    In our previous article on the git version control system, we explained how we could modify our files in repositories in our GitHub account and then pull the changes from GitHub to the git repositories on our local system and keep the files in synchronization. Now, what if we modified the same piece of information in a file on GitHub as well as within our local git repository? In this article, we will demonstrate how we would proceed if we modified the same information in a file on GitHub as well as locally within our git repository.

  • How To Install Ubuntu Mate On The Raspberry PI 400

    In this guide I will show you how to install Ubuntu Mate on the Raspberry PI 400. [...] Raspberry PI Imager is available for Windows, MacOS, Ubuntu and Raspberry PI OS. If you are using Windows open Windows Explorer and double click on the downloaded file (called something like imager_n where n is the verson number). When the installer pops up click “Install” and then click “Finish”. Raspberry PI Imager should start automatically but if it doesn’t you can find it by clicking on the Windows start menu and searching for “Imager”. If you are using Ubuntu, the downloaded file can be found in the “Downloads” folder. Open the file manager and click on the downloaded Raspberry PI imager file and you will be able to install the application as you would any other .deb file.

  • List of Commands to get Linux system info using terminal - Linux Shout

    In Linux, we can use the command terminal to check various system hardware configurations and information such as CPU, Memory, hard disk, etc., and here are those to use… Although there are tools that can display Linux system info graphically, however, here we are going to use the inbuilt commands. The question of how a system is equipped and how it performs in harsh everyday life is not only of theoretical interest. Lot’s of time to solve a problem we need to know hardware and its utilization to remove some bottleneck. Thus, if you are new to Linux systems or running any cloud server where you want to know about the system load, the network interface, and type of processor and chipset, or what hardware is actually in the system? Then here some top commands to follow…

  • How to Install and Use Yarn on Ubuntu 20.04 - LinuxBuz

    Yarn is an open-source dependency manager for javascript developed by Facebook. It is an alternative to the popular npm package manager. Yarn provides an easier way to automate the process of installing, updating, configuring, and removing packages from the system. Yarn is faster because it caches every package it downloads. So you don't need to download it again.

  • How to Install Cockpit in Debian 10 – Linux Hint

    Cockpit is an open-source and free remote server management software that is sponsored by Red Hat. This software has a simple, web-based interface for managing the administrative tasks of a Linux-based server through a web browser. Cockpit can run on several Linux-based operating distributions, including Ubuntu, Debian, Fedora, CentOS, and more. Cockpit gives you a real-time report of the CPU, RAM, and disk utilization of your system. Using this application, you can perform server tasks management remotely, such as creating user accounts, configuring the network, managing services, monitoring the system, managing the firewall, configuring OpenVPN, and more. Cockpit supports the Openshift cluster and Kubernetes. You can also measure your system performance and update your system using the Cockpit tool.

  • How to Check Version and Update Fedora Linux Kernel – Linux Hint

    For any operating system, the kernel is at the core. Linux is the kernel, rather than the entire operating system, of any Linux distribution. The kernel is responsible for interacting between the hardware of the computer and the software. The Linux kernel is regularly updated to offer the best possible experience. This guide shows you how to check the version and update the kernel of Fedora.

  • How to Run Google Chrome OS from a USB Drive – Linux Hint

    Google Chrome OS is based on the open-source Chromium OS. It is a browser-based operating system. You will only have the Google Chrome web browser installed on it. You can install Chrome web apps or extensions from the Chrome Web Store and add more functionality to the operating system. Sadly, the Google Chrome OS is not publicly available for download, and only the source code of Chromium OS is publicly available. So, you can’t run the Google Chrome OS or Chromium OS directly on your computer. Luckily, a few Chromium OS-based operating systems are available that you can download and install on your computer. The most popular one is Neverware’s CloudReady OS. This article will show you how to make a Live bootable USB thumb drive of Neverware’s CloudReady OS and run it from the USB thumb drive. So, let’s get started.

Trisquel 9 Review: Freedom Vehicle

Here is my review of Trisquel 9.0 Etiona the newly released computer operating system. It is the successor of Flidas and now based on Ubuntu 18.04. It brings the latest improvements by excellently keeping its user friendliness from the family of most secure operating systems on earth. As always, I choose the Regular Edition, with MATE Desktop choice, to report this to you. We will see what’s new in this release and why I call it Software Freedom Vehicle now continuing Successful Freedom in the past. With Etiona, everyone can see that Free Software as well as copyleft are already practical and now we can see that even clearer than before. Let's go! Read more

Postgresql service failed because the control process exited with an error code

PostgreSQL is a free and open-source, community-driven, standard-compliant, and most popular object-relational database management system. It is used by popular IT companies like Uber, Netflix, Instagram, Spotify, etc. Recently I installed PostgreSQL and getting an error while running daemon. This is mainly because PostgreSQL not getting sufficient permission to create the folder required to store database information. Read more