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How to open a TCP/UDP socket in a bash shell

  • Xmodulo; By Dan Nanni (Posted by bob on May 25, 2016 5:07 AM EDT)
  • Story Type: Tutorial; Groups: Linux
Suppose you want to open a TCP/UDP socket on a Linux server for various reasons. For example, you want to check if a specific address/port is reachable. Or you want to fetch a remote web page or invoke a restful API for testing. Or you want to connect to a remote IRC server, etc.

Pointless features add to browser bloat and insecurity

83 per cent of browser features are used by under one per cent of top websites. It might be time for the warlocks of the Web and brewers of JavaScript to revisit their ever-burgeoning developer wish-lists and sweep away the rubbish.

Why a Buffer developer open sourced his code

  • Opensource.com; By Jordan Morgan (Posted by bob on May 25, 2016 3:13 AM EDT)
  • Story Type: Editorial; Groups: Developer
?If you look for the official definition of open source, you'll likely stumble upon this outline from the board members of the Open Source Initiative. If you skim through it, you're sure to find some idea or concept that you feel very aligned with. At its heart, openness (and open source) is about free distribution—putting your work out there for others to use.

Ubuntu MATE 16.10 In Development, Software Boutique and Welcome Get New Features

  • Softpedia; By Marius Nestor (Posted by hanuca on May 25, 2016 2:16 AM EDT)
  • Story Type: News Story; Groups: Ubuntu
Ubuntu MATE lead developer and maintainer Martin Wimpress announced earlier today that the Ubuntu MATE 16.10 operating system is now open for development.

IBM Uses Apache Spark Across Its Products to Help Enterprise Customers Video

  • Linux.com - Original Content; By Ian Murphy (Posted by bob on May 25, 2016 1:19 AM EDT)
  • Story Type: News Story; Groups: Apache, IBM, Linux
IBM loves Apache Spark. It’s training its engineers on it, it’s contributing to the project, and it’s building many of its big data products on top of the open source platform so IBM’s enterprise customers can use its powerful tools.

Linux Containers vs. VMs: A Security Comparison

More vulnerable than virtual machines? In fact, containers have some security advantages. Developers love containers. They're easy to use and fast to start. You can run a lot of them on even simple hardware. Startup overhead has always been a bane of development and testing, and this overhead only increases with microservices architectures.

Petros Koutoupis' RapidDisk

RapidDisk is an open-source and enhanced Linux RAM drive solution led by BDFL Petros Koutoupis (who also writes for Linux Journal) that allows users to create, resize a

CentOS 7 KDE: not for home users

CentOS is one of those operating systems in the Linux world that are often recommended for students who want to continue their career as Linux system administrators. There is no wonder here, because CentOS is a re-branded compilation of the corporate operating systems leader RedHat.

Linux Kernel 4.1.25 LTS Improves the OCFS2 Shared-Disk Cluster File System

Sasha Levin has published details about the twenty-fifth point release for the Linux 4.1 kernel.

Q4OS 1.4.10 Screenshot Tour

Q4OS 1.4.10 is available. Q4OS is a Debian-based desktop Linux distribution designed to offer classic-style user interface (Trinity) and simple accessories, and to serve stable APIs for complex third-party applications, such as Google Chrome, VirtualBox and development tools. The system is also very useful for virtual cloud environments due to its very low hardware requirements.

Ask Safia: How do I move from a proprietary software background into open source?

Ask Safia is the place to go for answers to your open source community-related questions. Whether you are nervous about submitting your first pull request to a project, or wondering how to write effective bug reports, Safia is here to help with practical, detailed, beginner-friendly answers. So what are you waiting for? Ask Safia. Dear Safia, I really want to start getting involved with open source, but I’ve spent my entire development career working with proprietary platforms and software. How will I be able to get started with open source? read more

A Look at Android Apps on Chromebook

While the initial reaction from the FOSS community to Android Apps on Chromebooks will probably be a little cooler than lukewarm, the fact is that this might eventually be good for free and open source software.

Are games too easy to pirate on Android?

Also in today's open source roundup: Google picks the best Android apps and games of 2016, and six big changes coming in Android N.

Install GLPI (IT and asset Managemet Software) on Ubuntu 16.04 Server

  • ubuntugeek.com; By ubuntugeek.com (Posted by gg234 on May 24, 2016 4:44 PM EDT)
  • Groups: Ubuntu
Install GLPI (IT and asset Managemet Software) on Ubuntu 16.04 Server

Empower SMTP With Postscreen: Part 1

  • Linux.com - Original Content; By Chris Binnie (Posted by bob on May 24, 2016 3:47 PM EDT)
  • Story Type: News Story; Groups: Linux
I recently read with interest that the powerful mail transfer agent (MTA) that is Postfix has introduced a relatively new addition to its load mitigation and anti-spam arsenal.

OpenSUSE Administation with Zypper

  • Howtoforge Linux Howtos und Tutorials (Posted by bob on May 24, 2016 2:50 PM EDT)
  • Groups: Linux; Story Type: News Story
This tutorial shows the steps to install and update OpenSUSE packages with Zypper. Zypper is the command line package manager for openSUSE, introduced in openSUSE 10.2 which uses the libzypp library. Zypper provides a command line interface to manage repositories, the software installation, packages, patches, verifying dependencies etc.

Getting started with Espruino, a JavaScript interpreter for microcontrollers

  • Opensource.com (Posted by bob on May 24, 2016 1:52 PM EDT)
  • Story Type: News Story
If you've used microcontrollers like the Arduino before, you might be used to pushing compiled code onto the device and then just hoping it does what it's supposed to. The chip is literally a black box: If you don't add print statements (or they don't get a chance to execute), you'll have no idea what your code is doing (or even if it's doing anything at all). read more

Steps to Install and Configure Foreman 1.11 on CentOS 7.x

  • www.linuxtechi.com; By Pradeep Kumar (Posted by linuxtechi on May 24, 2016 12:55 PM EDT)
  • Story Type: Tutorial; Groups: Linux
Foreman is a free and open source configuration management and provisioning tool for physical and virtual servers. Foreman performs the repetitive and other configuration tasks using the tools like puppet, chef and Ansible.

Additional YUM Repositories for CentOS, RHEL & Fedora Systems

  • 2daygeek.com; By Magesh Maruthamuthu (Posted by 2daygeek on May 24, 2016 11:58 AM EDT)
  • Story Type: Tutorial
Additional YUM Repositories will help users to install packages easily to CentOS, RHEL & Fedora Systems from third party repository such as ELRepo, IUS Community Repository, EPEL Repository, REMI Repository, Repoforg Repository, RPMforge Repository, RPMFusion Repository, Ulyaoth Repository

Nelum-Dev1 Xfce Screenshot Tour

Nelum-Dev1-Xfce 2016-05-20 is available. Nelum-Dev1 offers users a live disc with a desktop environment which is based on the Devuan distribution.

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