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Master Ada Programming with Free Books

Ada is a structured, statically typed, imperative, wide-spectrum, multi-paradigm, object-oriented high-level, ALGOL-like programming language, extended from Pascal and other languages. The language was developed in the late 1970s and early 1980s. Ada is named after Augusta Ada Byron (often now known as Ada Lovelace), daughter of the poet Lord Byron.

6 Linux clipboard managers to boost your productivity

During a recent episode of Bad Voltage, each presenter had to name a small Linux utility we were surprised more people didn't regularly use. Fellow Opensource.com Community Moderator Ben Cotton suggested this topic would be of interest to the Opensource.com community, and I think he's correct. Thanks for the suggestion, Ben. read more

Samba 4 Additional Domain Controller for failover Replication on CentOS 7

  • Howtoforge Linux Howtos und Tutorials (Posted by bob on Jun 29, 2017 2:27 AM EDT)
  • Groups: Linux; Story Type: News Story
In this tutorial, I will show you how to configure an additional domain controller which is one of the key features of SAMBA 4. This setup provides a degree of load balancing and failover for AD services (Ldap schemas and dns ) and configuring it is really easy. We can also use this feature to scale up the environment.

Understanding the Linux Kernel

The Linux Kernel is often misunderstood or not even known about. To help everyone out we can go over some basics of the Kernel and help you to understand things better.

There are many aspects of the Kernel which will help you to understand the concept of the Kernel.

Testing modules and containers with Modularity Testing Framework

  • Fedora Magazine (Posted by bob on Jun 28, 2017 2:25 PM EDT)
  • Groups: Fedora; Story Type: News Story
Fedora Modularity is a project within Fedora with the goal of Building a modular operating system with multiple versions of components on different lifecycles. Fedora 26 features the first look of the modularity vision: the Fedora 26 Boltron Server. However, ... Continue Reading →

Master Bash Programming with Free Books

Bash (acronym for the ‘Bourne-Again-SHell’) is the GNU Project’s shell and programming language. It’s an sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh). Bash has become a de facto standard for shell scripting. It runs on almost all versions of Unix and a few other operating systems including Windows platforms.

4 easy ways to work toward a zero trust security model

  • Opensource.com (Posted by bob on Jun 28, 2017 11:34 AM EDT)
  • Story Type: News Story
There has been a lot of talk about zero trust networks lately, but little consensus about what they actually are. Similar to DevOps or software defined networking, that zero trust means something a little different to everyone is becoming clear. That said, there is one thing we can all agree on: The network cannot be trusted. read more

An introduction to functional programming in JavaScript

  • Opensource.com (Posted by bob on Jun 28, 2017 10:08 AM EDT)
  • Story Type: News Story
When Brendan Eich created JavaScript in 1995, he intended to do Scheme in the browser. Scheme, being a dialect of Lisp, is a functional programming language. Things changed when Eich was told that the new language should be the scripting language companion to Java. Eich eventually settled on a language that has a C-style syntax (as does Java), yet has first-class functions. Java technically did not have first-class functions until version 8, however you could simulate first-class functions using anonymous classes. read more

How to Install The Latest Mesa Version On Debian 9 Stretch Linux

Mesa is a big deal if you're running open source graphics drivers. It can be the difference between a smooth experience and an awful one. Mesa is under active development, and it sees constant noticeable performance improvements. That means it's really worthwhile to stay on top of the latest releases.

How to Set Up an Email Server in Ubuntu

  • Make Tech Easier; By Nick Congleton (Posted by damien on Jun 28, 2017 7:16 AM EDT)
  • Story Type: Tutorial; Groups: Linux, Ubuntu
There are plenty of reasons to run your own email server. In the past it’s been a real pain, but now using Ubuntu, Docker, and Mailcow, it’s much easier.

Open Tools Help Streamline Kubernetes and Application Development

New tools are emerging that help streamline Kubernetes and make building container-based applications easier. Here, we will consider several open source options worth noting.

Type 7 module runs Yocto Linux on 16-core Atom C3000 SoC

DFI’s rugged, Linux-ready “DV970” COM Express Basic Type 7 module debuts the server-class, 16-core Atom C3000, and supports 4x 10GbE-KR and 16x PCIe 3.0. DFI promotes the DV970 as the first COM Express Basic Type 7 module based on the Intel Atom C3000 “Denverton” SoC, but it’s the first product of any kind that we’ve seen that uses the SoC.

CrossOver for Android Lets You Run Windows Apps on Intel-Based Chromebooks

CodeWeavers?, the commercial company behind the well-known CrossOver for Linux and Mac application that lets users install and run Windows apps and games is still working to release an Android version.

Rugged marine computer runs Linux on Skylake-U

  • LinuxGizmos.com (Posted by bob on Jun 28, 2017 1:33 AM EDT)
  • Groups: Linux; Story Type: News Story
Avalue’s “EMS-SKLU-Marine” is an IEC EN60945 certified computer with 6th Gen Core CPUs, -20 to 60°C support, plus 2x GbE, 4x USB 3.0, M2, and mini-PCIe. The EMS-SKLU-Marine is designed for maritime applications such as control room or engine room, integrated bridge systems, propulsion control or safety systems, and boat entertainment systems. Avalue touts the […]

Extreme Tux Racer 0.7.4

  • Linux.org; By Jarret B (Posted by kprojects on Jun 28, 2017 12:08 AM EDT)
  • Story Type: Tutorial; Groups: Games
One of the major games for Linux is ‘Extreme Tux Racer’, available for Android, Linux, Microsoft Windows, Macintosh operating systems and Ubuntu Touch. The goal of the game is to control Tux, or another chosen character, to get to the bottom of the hill. The character will slide down the hill of snow and ice on his belly. Along the way you can pick up herring.

Ubuntu Budgie 17.04 – new kid on the block

Ubuntu Budgie is the newest addition to the officially supported Ubuntu flavours. It is quite interesting how these two parts can play together. The first time they married was the Ubuntu Budgie 16.04 remix. And since 17.04 Ubuntu Budgie is officially supported by Canonical.

HMS Windows XP: Britain's newest warship runs Swiss Cheese OS

  • The Register (Posted by bob on Jun 27, 2017 9:16 PM EDT)
  • Story Type: News Story
Spotted on carrier control room screens - reports The Royal Navy’s brand new £3.5bn aircraft carrier HMS Queen Elizabeth is running Windows XP in her flying control room, according to reports.…

Install Nginx with ngx_pagespeed on CentOS 7

  • Howtoforge Linux Howtos und Tutorials (Posted by bob on Jun 27, 2017 7:50 PM EDT)
  • Groups: Linux; Story Type: News Story
Ngx-pagespeed is a free and open source Nginx module that can be used to speeds up your site and reduces page load time. It works by automatically applying web performance best practices to pages and associated assets without requiring you to modify your existing content or workflow. You can easily optimize various files such as CSS, HTML, png, and jpg using Ngx-pagespeed module.

openSUSE Leap Is Now 99.9% Enterprise Distribution

  • Linux.com; By Swapnil Bhartiya (Posted by bob on Jun 27, 2017 6:25 PM EDT)
  • Story Type: News Story; Groups: Linux
Two years ago when openSUSE decided to move the base of openSUSE Leap to SUSE Linux Enterprise (SLE), they were entering uncharted territory. SLE is a tightly controlled enterprise ship that runs on mission critical systems. On the other hand openSUSE has been a community-driven project that, despite sponsorship from SUSE, is relatively independent.

Ubuntu Core Now Officially Supported for Raspberry Pi Compute Module 3 (CM3)

Canonical, the company behind the popular Ubuntu Linux operating system, today announced that their Snappy-enabled Ubuntu Core OS is now available for Raspberry Pi Compute Module 3 (CM3).

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