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Apache Tomcat is an open source application server which supports Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. It is one of the most widely used application and web server in the world today. This tutorial will show you how to install Apache Tomcat 9.0 on Debian 9 and configure the Tomcat web management interface.

also on TWinL45: Midori, Amazon CPU, NPM Malware, Fedora Potential Retooling, Marriott Data Breach and much more!

In the DevOps CALMS model (which stands for Culture, Automation, Lean, Measurement, and Sharing), Sharing is often overlooked or misunderstood. While each element of CALMS is just as important as the others, sharing knowledge is something that we often neglect. read more

It's December, and every Linux terminal user deserves a reward just for making through the year. So we're bringing you a sort of advent calendar of Linux command-line toys. What's a command-line toy? It might be a game, a pointless little time waster, or just something to bring you joy at the terminal. Today's Linux command-line toy is a suggestion from Opensource.com community moderator Ben Cotton. Ben suggested sl, which is short for steam locomotive.

Gradle is an open source build automation system used primarily for Java projects. It combines the best features of Ant and Maven. Unlike its predecessors which use XML for scripting, Gradle uses Groovy, a dynamic, object-oriented programming language for the Java platform to define the project and build scripts.

We've tested the most promising laptops pre-installed with Linux, and featured reviews of them in our 2018 Linux Laptop Buyer's Guide. Download your copy now to read what you need to know when shopping for your next Linux laptop. 

On the 2nd of December, the Kdenlive team will be holding an open bug-squashing day in preparation for the major refactoring release due in April 2019. Everybody is invited!

Django is the most popular Python web framework designed to help developers build secure, scalable and maintainable web applications. Django can be installed system-wide or in a Python virtual environment using pip. Django packages are included in the official Debian repositories and can be installed using the apt package manager. This is the easiest method to install Django on Debian 9, but not as flexible as installing in a virtual environment. Also, the version included in the repositories is always several releases behind the latest version of Django.

It's the holiday season, and every Linux terminal user deserves a little gift. It doesn't matter whether you celebrate Christmas, another holiday, or nothing at all. So I'm gathering together a collection of 24 Linux command-line toys over the next few weeks for you to enjoy and share with your friends. Let's have a little fun and add a little joy to a month that, at least here in the northern hemisphere, can be a little bit cold and dreary. read more

Let’s take a look at five of the minimal browsers that can be installed on Linux. I’ll be demonstrating these browsers on the Elementary OS platform, but each of these browsers are available to nearly every distribution in the known Linuxverse. Let’s dive in.

Nowhere is this never-ending quest for speed more apparent than in the high-performance computing (HPC) space. Built to handle some of the most computationally demanding work ever conceived by man, these supercomputers are growing faster by the day—and Linux is right there, powering just about all of them.

Joomla, which independent review site CMS Critic named the Best Free CMS of 2018, is one of the world's most popular website content management systems (CMSes). Like WordPress, Joomla can usually be installed in less than a minute with its web host installer tools. read more

An Ubuntu-powered social robot called CIMON (Crew Interactive Mobile CompaniON) has begun work on the International Space Station. The self-navigating bot recognizes faces and answers questions relayed to a ground-based IBM Watson computer. A social robot with an Ubuntu OS has launched on the International Space Station (ISS) to answer astronauts’ questions via voice and […]

FASTA is a plain-text file format for DNA sequences, but the sequences are often wrapped to a fixed line length. This post explains 3 Linux command-line methods for joining the sequence lines end-to-end.

MiniNodes is launching a “5 Node Raspberry Pi 3 CoM Carrier Board” that supports clusters of up to 5x RPi Compute Module 3 boards and integrates a switched GbE port. MiniNodes has launched $259 pre-orders for a carrier board that supports up to 5x Raspberry Pi Compute Module 3 modules. The 5 Node Raspberry Pi […]

There are multiple ways of finding out to which package a particular file belongs to, on Ubuntu, Debian or Linux Mint. This article presents two ways of achieving this, both from the command line (apt-file and dpkg).

Applications that used Android's SlidingDrawer library enabled users to hide content offscreen, then drag it onscreen using a "handle" when they wanted to use it. Unfortunately, the library was deprecated in Android 4.2, JellyBean (API 17), but independent developers have stepped in to create alternative versions for those who miss the cool animation and better UI experience it offered. read more

Gitea is a fork of Gogs, the easy to use self-hosted Git service. It is similar to GitHub, Bitbucket, and Gitlab. In this tutorial, I will show you step-by-step how to install and configure the lightweight Git service using Gitea using Docker on Ubuntu 18.04 LTS.

In this article, you will learn how you can use the nmap command in order to view which devices are connected to your network. This way you can verify that no unauthorized device is connected.