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How to Setup Kerberos Server and Client on Ubuntu 18.04 LTS

In this tutorial, we will show you how to set up Kerberos authentication between two Ubuntu 18.04 servers. We will install and configure the Kerberos server on the Ubuntu server and then install the Kerberos client on the other. Finally, we will test the authentication of the SSH service with the Kerberos server.
Tags: Linux


Infrastructure monitoring: Defense against surprise downtime

Infrastructure monitoring is an integral part of infrastructure management. It is an IT manager's first line of defense against surprise downtime. Severe issues can inject considerable downtime to live infrastructure, sometimes causing heavy loss of money and material.Monitoring collects time-series data from your infrastructure so it can be analyzed to predict upcoming issues with the infrastructure and its underlying components. This gives the IT manager or support staff time to prepare an...
Tags: Linux


Using a Linux Command Line Dictionary

In this article we discuss how to install and use the command line dictionary. It is a nostalgic look at a remnant of the past that still may have a practical use.
Tags: Linux


How to Install PHP 7.3 on Debian 9

In this tutorial, we will show you how to install PHP 7.3 on Debian 9. PHP (Hypertext Preprocessor) is an open-source server-side scripting language designed primarily for creating dynamic interactive websites. PHP is one of the most popular languages and it is freely available for redistribution and modifications. PHP powers WordPress, the most popular content management system used for blogging and building websites, as well as many other e-commerce websites, customer relationship management s...
Tags: Php, Linux


Set up two-factor authentication for SSH on Fedora

Every day there seems to be a security breach reported in the news where our data is at risk. Despite the fact that SSH is a secure way to connect remotely to a system, you can still make it even more secure. This article will show you how. That’s where two-factor authentication (2FA) comes in. […]
Tags: Linux


Essential System Tools: QDirStat – Excellent Qt-based directory statistics

This is the latest in our series of articles highlighting essential system tools. These are small, indispensable utilities, useful for system administrators as well as regular users of Linux based systems. The series examines both graphical and text based open source utilities. For this article, we’ll look at QDirStat, a graphical application to show what’s devouring your disk space and help you tidy up the disorder.
Tags: Linux


5 of the Best Linux Distros for Raspberry Pi

There are plenty of specialized Linux distributions for the Raspberry Pi. Here are some of the best Linux distro you can run on Raspberry Pi.
Tags: Linux


How to Install Apache Cassandra on Ubuntu 18.04

Apache Cassandra is a free and open source NoSQL database with no single point of failure. It provides linear scalability and high availability without compromising performance. Apache Cassandra is used by a number of organizations including Apple, NetFlix, eBay, and Easou.
Tags: Linux, Apache Cassandra, Apple NetFlix eBay


WWW = Woeful, er, winternet wendering? CERN browser rebuilt after 30 years barely recognizes modern web

Berners-Lee's WorldWideWeb code can't handle much, but hey, it now runs in a browserIn preparation for next month's 30th anniversary of the proposal that gave us the world wide web, boffins at the behest of CERN have recreated the world's first web browser, and made it accessible as a modern web page.…
Tags: Cern, Linux, Berners Lee


KDE Plasma 5.15 Desktop Gets First Point Release with over 35 Improvements

The KDE Project released today the first point release of the latest KDE Plasma 5.15 desktop environment series to address various issues and annoyances reported by users.
Tags: Linux, KDE Plasma, KDE Project


How to Install Cachet Status Page System on Fedora 29

Cachet is a beautiful and powerful open source status page system written in PHP that allows you to better communicate downtime and system failures to your customers, teams, and shareholders.
Tags: Linux


Kali Linux Ethical Hacking OS Kicks Off 2019 with Metasploit 5.0 and ARM Updates

Offensive Security announced today the general availability of the Kali Linux 2019.1, the first update of the popular ethical hacking and penetration testing operating system in 2019.
Tags: Metasploit, Linux


Get started and organized with TiddlyWiki

When you think of the word wiki, chances are the first thing that comes to mind is Wikipedia. That's not a surprise, considering that Wikipedia did help put the concept of the wiki into the popular consciousness. Wikis, which are websites you can edit, are great tools for collaborating and organizing. But wikis usually require a lot of digital plumbing and a bit of care to use and maintain. All of that's overkill for personal use.read more
Tags: Wikipedia, Linux


Run Or Raise Application Windows On Linux (X11) Using A Single Keyboard Shortcut With jumpapp

Using jumpapp you can create a single keyboard shortcut that will launch an application if it's not already running, or focus the application window if it's already running. If there is more than one application window open, pressing the keyboard shortcut repeatedly cycles through all the application windows.
Tags: Linux


CAST links arms with Software Heritage to tease out your open-source ancestry

Who do you think you are?Paris-based code botherer CAST Software said today it would buddy up with Software Heritage to tackle the sometimes tricky task of identifying the provenance of open-source code in modern projects.…
Tags: Linux, Software Heritage


How Linux testing has changed and what matters today

If you've ever wondered how your Linux computer stacks up against other Linux, Windows, and MacOS machines or searched for reviews of Linux-compatible hardware, you're probably familiar with Phoronix.read more
Tags: Linux


C Programming Tutorial Part 5 - Character variables

In the previous two tutorials, we discussed the basics of variables including how they occupy memory. But we mainly focused on integers and floats. In this tutorial, we will discuss about characters (or char type variables).
Tags: Linux


4 secrets management tools for Git encryption

There are a lot of great open source tools out there for storing secrets in Git. It can be hard to determine the right one for you and your organization—it depends on your use cases and requirements. To help you compare and choose, we'll look at four of the most popular open source tools for secrets management and see how they stack up against each other:read more
Tags: Linux


Organize Files In Filetype-Based Named Directories On Linux Using Organizer (GUI)

Organizer is a new, work in progress GTK application to organize your files on Linux. The directory organizer application moves files to a new directory based on their type. Select a folder and Organizer will move all existing jpg and png files to a new Images folder, zip, rar and tar.gz files to an Archives folder, pdf, odt and docx files to a Documents folder, and so on.
Tags: Linux, GUI, GTK


Logical & in Bash

If you are at all familiar with binary operations, you will have heard of AND and OR. These are bitwise operations that operate on individual bits of a binary number. In Bash, you use & as the AND operator and | as the OR operator:
Tags: Linux


How our non-profit works openly to make education accessible

I'm lucky to work with a team of impressive students at Duke University who are leaders in their classrooms and beyond. As members of CSbyUs, a non-profit and student-run organization based at Duke, we connect university students to middle school students, mostly from title I schools across North Carolina's Research Triangle Park. Our mission is to fuel future change agents from under-resourced learning environments by fostering critical technology skills for thriving in the digital age....
Tags: Linux, North Carolina, Duke, Duke University


5 Excellent Free Mind Mapping Software

Mind mapping is a fairly free flowing concept. This means you need software that is versatile, and can adapt to your requirements. Your idea of a neat and tidy mind map might be another person’s idea of bamboozling.
Tags: Linux


5 Good Open Source Speech Recognition/Speech-to-Text Systems

In the past, the speech-to-text technology was dominated by proprietary software and libraries; Open source alternatives didn’t exist or existed with extreme limitations and no community around. This is changing, today there are a lot of open source speech-to-text tools and libraries that you can use right now.Here we list 5 of them.
Tags: Linux


s-tui - A Terminal Tool To Monitor CPU Temperature, Frequency, Power And Utilization In Linux

2DayGeek: s-tui allows to monitor CPU temperature, frequency, power and utilization in a graphical way from the terminal.
Tags: Linux


Open Science, Open Source and R

Free software will save psychology from the Replication Crisis. Psychology changed forever on the August 27, 2015. For the previousfour years, the 270 psychologists of the Open Science Collaborationhad been quietly re-running 100 published psychologyexperiments. Now, finally, they were ready to share their findings.The results were shocking. Less than half of the re-run experimentshad worked.
Tags: Linux, R. Free


3 tools for viewing files at the command line

I always say you don't need to use the command line to use Linux effectively—I know many Linux users who never crack open a terminal window and are quite happy. However, even though I don't consider myself a techie, I spend about 20% of my computing time at the command line, manipulating files, processing text, and using utilities.One thing I often do in a terminal window is viewing files, whether text or word processor files. Sometimes it's just easier to use a command line utility ...
Tags: Linux


i.MX8M-driven Pico-ITX SBC features dual-DSP audio module

Estone is launching an “EMB-2238” Pico-ITX board for audio and voice control applications that runs Linux on an i.MX8M and offers a dual-DSP audio hub and DAC, 40-pin GPIO, and optional PoE and second GbE. Toledo, Ohio based Estone Technology (known for its former Habey brand) offers a variety of Linux-friendly Pico-ITX boards, including boards [[he]#8230[/he]]
Tags: Linux, DSP, GPIO, Toledo Ohio, Estone Technology


How to Install Nextcloud with OnlyOffice Integration in Ubuntu

You can create your own version of Google's G suite with Nextcloud and OnlyOffice. Learn how you can install both Nextcloud and OnlyOffice in Ubuntu in a few steps.
Tags: Google, Linux, Ubuntu, Nextcloud, OnlyOffice Integration


Converting Decimals to Roman Numerals with Bash

Decimals to Roman numerals—here we hit all the limitations of Bashshell scripting.
Tags: Linux, Decimals, Bashshell



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