Showing headlines posted by bob

Linux offers versatile user/group structures. In this article, we will explore how to create and add users to a group. Users In Linux, every process has an associated user, which tells you who initiated the process. Every file/directory is owned by a user and a group. Users who are associated with a file/directory can tell which user has access to that file and what they can do with it. A user who is associated with a process determines what that process can access. read more

We all want our passwords to be safe and secure. To do that, many people turn to password management applications like KeePassX or Bitwarden. If you spend a lot of time in a terminal window and are looking for a simpler solution, you'll want to check out one of the many password managers for the Linux command line. They're quick, easy to use, and secure. Let's take a look at three of them. read more

Currently, there are more than 300 different Linux operating system distributions available. Each distro serves a slightly different purpose with slightly different bundles of programs for different communities of users. Even though there are hundreds of different versions of Linux, it hasn't been very easy for individual customizers to share them with the community. DistroTweaks, a process that allows users to customize and share Linux, is a better option than what's come before. read more

Hyperledger Fabric is an open source blockchain framework implementation and one of the Hyperledger projects hosted by The Linux Foundation. It is a platform for distributed ledger solutions. This article aims to simplify Fabric operations by use of Kubernetes. This tool is ideal for the following reasons: read more

It's a common misconception that contributing to open source is difficult. You might think, "Sometimes I can't even understand my own code; how am I supposed to understand someone else's?" Relax. Until last year, I thought the same thing. Reading and understanding someone else's code and writing your own on top of that can be a daunting task, but with the right resources, it isn't as hard as you might think. The first step is to choose a project. This decision can be instrumental in turning a newbie programmer into a seasoned open sourcer. read more

Hello World is a simple way to start exploring a new programming language, and it's almost always the first program people create. If you're reading this, you're probably new to Redis or Python and want to learn. To help you do that, let's build a "Hello Redis" program. read more

Luxoft has released an open source version of its Linux- and GENIVI-based PELUX automotive development platform, which runs on an RPi 3 and Intel’s ARP platform, based on an Atom-driven Conga-SA5 COM and a Cyclone V SoC FPGA. The automotive division of Luxoft Holding launched an open source version of its PELUX software suite for […]

Jenkins is a well-known automation server often used for automating tasks involving building, testing, and deploying applications in a continuous integration/continuous development (CI/CD) format. In this tutorial, I will explain how to install and configure Jenkins and create a job that installs PackStack (a proof of concept OpenStack cloud). read more

News briefs for April 10, 2018.

I've written about simple server-hardening techniques in the past. Those articles were inspired in part by the Linux Hardening in Hostile Networks book I was writing at the time, and the idea was to distill the many different hardening steps you might want to perform on a server into a few simple steps that everyone should do.

Google and Netflix have released Kayenta, an open-source automated canary analysis tool, which promises to make the final step of deploying by using CI/CD more reliable.

Red Hat has come a long way in 25 years. Now, the Linux company is continuing to drive forward both in the Linux server business and in the cloud with its latest distribution release. The most popular corporate enterprise Linux continues its drive to the cloud.

Opensource.com brought in 818,805 unique visitors who generated 1,312,509 page views in March, setting a new record for both numbers. We published 97 articles last month and welcomed 26 new authors. More than 68% of our content was contributed by members of the open source community, and our community moderators contributed 23 articles.

Microservices is not a new term. Like containers, the concept been around for a while, but it’s become a buzzword recently as many companies embark on their cloud native journey. But, what exactly does the term microservices mean? Who should care about it? In this article, we’ll take a deep dive into the microservices architecture.

Linux computer manufacturer System76 made its mark in part because of its commitment to open source principles and doing what it believes is right. Last year it released its homegrown Linux, Pop!_OS. In early March, System76 founder Carl Richell tweeted about the company's plans to locate its computer manufacturing factory in Denver, Colorado. read more

A vulnerability in the "beep" package that comes pre-installed with Debian and Ubuntu distros allows an attacker to probe for the presence of files on a computer, even those owned by root users, which are supposed to be secret and inaccesible. The vulnerability, tracked as CVE-2018-0492, has been fixed in recent versions of Debian and Ubuntu (Debian-based OS).

In his excellent article, An introduction to creating documents in LaTeX, author Aaron Cocker introduces the LaTeX typesetting system and explains how to create a LaTeX document using TeXstudio. He also lists a few LaTeX editors that many users find helpful in creating LaTeX documents. read more

The landscape of Linux is vast and varied. And, if you’re considering migrating to the open source platform or just thinking about trying a new distribution, you’ll find a world of possibilities.

In this two-part series, I introduce this now-trending technology, describe how it works and provide instructions for deploying your very own private blockchain network.

In this tutorial, I will show you how to install and configure OpenProject on CentOS 7. OpenProject is an open source web-based management system for location-independent team collaboration. It's a project management software that provides features like task-management, team collaboration, scrum, and more.