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Linux Howto Tutorials
Updated: 49 min 5 sec ago

How to Install Java (OpenJDK) on Ubuntu 20.04

Monday 10th of August 2020 01:15:28 AM

Java is one of the most well-known programming languages for building different kinds of applications such as Jenkins, Tomcat server, IntelliJ IDEA, and many other system software. This tutorial will show you the way to install various versions of Java, [...]

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How to Enable Colors for ls Command Output

Wednesday 5th of August 2020 03:10:39 AM

In this article, I am going to write about setting up colors for ls command output in your bash shell. In Linux, ls is one of the basic and most repeatedly used commands in our daily administration tasks to list [...]

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How to Backup Using Duplicity on Ubuntu 20.04

Monday 3rd of August 2020 12:30:24 PM

If you are a system administrator and responsible for managing servers than backing up data is one of the most important tasks of you. So you must have enough knowledge of backup tools that makes your task easier. Duplicity is [...]

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How to Connect to WiFi from Terminal on Ubuntu 20.04

Wednesday 29th of July 2020 01:08:52 PM

If you have a wireless-enabled computer or laptop, you can connect to the internet. On Ubuntu you can connect to a Wi-Fi network on the terminal using the  following command-line tools: nmtui nmcli Let's see how each of these tools can [...]

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How to Diff Command Colorize Output on Linux

Sunday 26th of July 2020 11:50:33 PM

Diff is a command-line utility that helps users to visually compare differences between 2 files line by line on a Linux/Unix system. Colordiff utility is a Perl script that is an improved version of diff. It colorizes the output so [...]

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How to Create Symbolic link in Linux Using Ln Command

Wednesday 22nd of July 2020 08:30:25 AM

Symbolic link is commonly referred to as soft link or symlink, which is a special type of file that references another file or directory. In this guide, you will learn how to create a symbolic link in Linux using ln [...]

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How to Install Eclipse IDE on Ubuntu 20.04

Sunday 19th of July 2020 11:20:32 AM

  Eclipse is one of the most popular open-source IDE (Integrated Development Environment) for software developers. It is popular for Java-based applications, also used for C/C++, PHP, and Perl and other web projects. Eclipse is a really powerful IDE that [...]

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How to Install Chrome Browser on Ubuntu [Easy Steps]

Friday 17th of July 2020 04:30:27 AM

Google chrome is a cross-platform web browser which considered as the best among other browsers. Chrome is not an open-source browser hence its not available on Ubuntu Software Center. Where chromium is the open-source version of chrome which had fewer features. [...]

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Grub Rescue Commands to Fix Boot Issues

Wednesday 15th of July 2020 09:39:23 AM

GRUB stands for GRand Unified Bootloader. It is the first software program which be run when your computer starts. The bootloader is in charge of loading and booting the operating system kernel. GRUB is the default bootloader for Linux kernel-based [...]

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How to Setup Ubuntu Rolling Release Using Rolling-Rhino

Friday 10th of July 2020 02:00:07 AM

In this tutorial, we will see how to change your daily Ubuntu Linux installation into a rolling release distribution. This means, that instead of you needing to wait for a new distro release, you have the latest package updates as [...]

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How to Install Docker on Ubuntu 20.04

Monday 6th of July 2020 09:41:13 AM

Docker is an open-source platform that enables software developers to build, deploy and manage containerized applications. It means the applications are packaged into container which is combination of source codes, libraries and other dependencies required to run in any operating [...]

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How to Add a User to Sudoers on Ubuntu

Monday 29th of June 2020 07:34:57 AM

In Linux philosophy, running privileged tasks as the root user is highly discouraged. The reason is simple - all it takes is for the root user to run a fatal command and the entire system comes apart. For this reason, [...]

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How to Install POP OS 20.04 LTS - Step by Step

Monday 22nd of June 2020 07:56:29 AM

POP! OS is based on Ubuntu, which is free and opensource Linux distribution. POP OS is developed and primarily maintained by system76. Like Ubuntu, long term released comes every 2 years and a new release comes every 6 months. Pop!_ [...]

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How to Mount Windows Share on Ubuntu Linux

Monday 15th of June 2020 06:39:19 AM

CIFS (Common Internet File System) is a popular file sharing protocol on Internet. It allows users on a Linux system access to a particular mount point on a windows share. CIFS is an implementation of SMB (Server Message Block) - [...]

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Parted Commands to Manage Disk Partition

Monday 8th of June 2020 02:48:25 AM

Parted is a free GNU utility used to manage hard disk partitions from the command line. It can create, delete, resize, and print disk partition, and more on Linux. More often we use parted tool for disk partitioning for running [...]

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How to Create Home Directory for Existing User in Linux

Tuesday 2nd of June 2020 12:15:58 PM

By default when you create a user in Linux, users default home directory is created under /home. If you noticed on Ubuntu and Debian derivated distribution useradd command won't create a home directory by default. Let's think of s situation [...]

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Linux Chgrp Command with Examples

Monday 25th of May 2020 02:15:31 AM

In Linux permissions, all files including directories are associated with the user and group ownership. Additionally, the file and directories and usually assigned permissions that determine access rights such as read, write and execute that ultimately determine who has what [...]

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How to Install TeamViewer on Ubuntu 20.04

Wednesday 13th of May 2020 04:29:55 AM

TeamViewer is a cross-platform, proprietary application that allows a user to remotely connect to a workstation, transfer files, and have online meetings from any part of the globe over an internet connection. It works across multiple devices such as PC, [...]

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How to Install Webmin on Ubuntu 20.04

Monday 11th of May 2020 09:40:04 AM

Webmin is a web-based dashboard that allows sysadmins to manage Linux and Unix-like systems (especially servers). Webmin allows system administrators to manage user accounts, updating packages, system log files, configuring firewalls, email, database, postfix, etc. In this tutorial, we learn [...]

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How to Install Nvidia Driver on Ubuntu 20.04

Thursday 7th of May 2020 12:35:52 AM

As Linux getting more user friendly, game developers are adding more support thanks to Steam. The performance of graphics processing units (GPUs) mainly depends on drivers. Ubuntu by default use open source video driver Nouveau which has limited support and [...]

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More in Tux Machines

today's leftovers

  • "Hey, DT. Why Arco Linux Instead Of Arch?" (Plus Other Questions Answered)

    In this lengthy rant video, I address a few questions that I've been receiving from viewers. I discuss fake DistroTube accounts on social media, my thoughts on PeerTube, my experience with LBRY, my thoughts on Arco vs Arch vs Artix, and what YouTubers have influenced my life.

  • 2020-08-10 | Linux Headlines 186

    elementary OS teases big changes coming in version 6, RetroArch rolls out major search improvements with version 1.9, Microsoft releases Minecraft: Education Edition for Chromebooks, and the new Krita Scripting School website aims to help developers expand the painting application.

  • R600 Gallium3D Now Has Compute Shaders Working With NIR

    If you are still rocking a pre-GCN AMD Radeon graphics card on the R600g driver for the HD 2000 through HD 6000 series, you really ought to consider upgrading in 2020, but otherwise at least from the open-source community there continues to be improvements.

  • NVIDIA GeForce are teasing something for August 31, likely RTX 3000

    Ready for your next upgrade? NVIDIA think you might be and they're teasing what is most likely the GeForce RTX 3000 launch at the end of this month. We don't know what they're actually going to call them, although they will be based on the already revealed Ampere architecture announced back in May. It's probably safe to say RTX 3000 for now, going by the last two generations being 1000 and 2000 but NVIDIA may go for something more fancy this time.

  • How to Learn Python in 21 Days?

    Before moving further, let’s have a brief introduction to Python Language. Python, designed by Guido Van Rossum in 1991, is a general-purpose programming language. The language is widely used in Web Development, Data Science, Machine Learning, and various other trending domains in the tech world. Moreover, Python supports multiple programming paradigms and has a huge set of libraries and tools. Also, the language offers various other key features such as better code readability, vast community support, fewer lines of code, and many more. Here in this article, we’ll discuss a thorough curriculum or roadmap that you need to follow to learn Python in just 21 days!

  • This Week In Servo 135

    Last week we released Firefox Reality v1.2, which includes a smoother developer tools experience, along with support for Unity WebXR content and self-signed SSL certificates. See the full release notes for more information about the new release.

OSS Leftovers

  • Richard Stallman Discusses Privateness Dangers of Bitcoin, Suggests 'One thing A lot Higher'
  • The many meanings of 'Open': Open Data, Open Source, and Open Standards

    It is important to note that open source software is not always “free” software. The difference is in the licensing and the level of effort required to customize the code for your use case. According to GNU progenitor and software freedom advocate Richard Stallman, free does not mean non-proprietary but rather suggests that “users have the freedom to run, copy, distribute, study, change and improve the software” for any purpose. (“This is a matter of freedom, not price, so think of ‘free speech,’ not ‘free beer,’” Stallman says.). One also has the freedom to sell the software after modifying it. Implementing open source software inside a business enterprise frequently requires customization for your organization’s workflow. Whether this customization is done using internal resources or with the help of external consultants, it typically is not free, nor is the subsequent maintenance of the software. Successful open source software is designed and built using a collaborative community software development process that releases frequent updates to improve functionality and reliability. The key is in the “community” adoption and development.

  • How an open community rebrands

    As an open community evolves, so does the way it expresses its identity to others. And having open conversations about how you'd like your community to be recognized is an important component of community engagement. Simply put, your community's brand is what people (especially potential contributors) see first when they encounter you. So you want to make sure your brand reflects your community—its values, its principles, and its spirit. [...] Together, then, we were able to augment Jim's experience at Red Hat (though we always welcomed his perspectives along the way). Over the past half-decade, the Open Organization community has grown from a small group of passionate people debating nascent ideas about the "cultural side" of open source to a bustling bunch of thought leaders who have literally written the definition of what it means to be an open organization. To put it in open source terms: Our entire upstream project continues to evolve from that founding gesture.

  • LibreOffice 7.0 arrives, improves performance and compatibility

    AMD sponsored the developers' implementing the Skia graphics engine in LibreOffice. In Windows this open source 2D graphics library provides upgraded performance. Additionally the engine is accelerated by the Vulkan graphics and compute API.

  • TinyFloat, Troll Arithmetic, GIMP Palettes

    I've been working on a 64 bit extension to the 6502 processor architecture. This is for the purpose of implementing a secure computer which also has a hope of working after post industrial collapse.

    Along the way, I have found a use for a practical use for 8 bit floating point numbers. Floating point representations were historically used for scientific calculations. The two components of a floating point number - the exponent and mantissa - work in a manner similar to logarithms, slide rules and the scientific representation of numbers. For example, 1.32×104 = 13,200. Why not just write the latter? Scientific notation works over a *very* large scale and is therefore useful for cosmology, biology and nanofabrication. For computing, floating point may use binary in preference to decimal. Also, it is not typical to store both the exponent and mantissa within 8 bits.

  • Open Source Contributions on the Rise in FinTech, Healthcare and Government [Ed: "The Linux Foundation sponsored this post." So the Foundation is now busy distorting the media instead of actually supporting developers who develop Free software on shoestring budget.]

    Enterprise use of open source remains stable, and a new generation of companies are increasing their engagement with open source communities. Led by financial services, healthcare and government, more organizations across most industry verticals are regularly (frequently or sometimes) contributing to upstream projects, going from 42% to 46% over the last three years.

  • TODO Group Survey Shows Stable Enterprise Open Source Use

    The “Open Source Programs in the Enterprise” survey, from The Linux Foundation’s TODO Group and The New Stack says “enterprise use of open source remains stable.” An article by Lawrence Hecht reports that more organizations across industry verticals are regularly contributing to upstream projects, increasing from 42% to 46% over the past three years. “The multi-year effort provides a solid baseline for measuring change, growth and effectiveness of efforts to guide corporate open source policies and community participation,” Hecht said.

Servers: Hosting, Supermicro and Containers

  • Linux vs. Windows hosting: What is the core difference?

    If you are having a budget constraint, Linux hosting is always a better option. But if you want to run certain complex applications on your website or web hosting that is specific to Windows, Windows hosting is the solution for you. If you are looking for a bulk of free and open-source applications and content management systems such as WordPress to run, it is better that you select Linux hosting.

  • Supermicro Launches SuperServer SYS-E100-9W-H Fanless Whiskey Lake Embedded Mini PC

    US-based Supermicro is known for its server products, but the company’s latest SuperServer SYS-E100-9W-H fanless embedded mini PC targets other applications, specifically industrial automation, retail kiosks, smart medical devices, and digital signage. The mini PC is equipped with an Intel Core i7-8665UE Whiskey Lake Embedded processor coupled with up to 64GB DDR4 memory, and offers plenty of connectivity options with dual Gigabit Ethernet, eight USB ports, four serial ports, and dual video output with HDMI and DisplayPort. [...] Supermicro only certified the mini PC with Windows 10, but looking at the OS compatibility matrix for X11SWN-H SBC used inside the mini PC, 64-bit Linux OS like Ubuntu 18.04/20.04, RedHat Enterprise Linux, and SuSE Linux should also be supported. The company also provides SuperDoctor 5 command-line or web-based interface for Windows and Linux operating systems to monitor the system and gets alerts via email or SNMP.

  • OpenDev 2020: Containers in Production – Day 1

today's howtos