Incidents happen. Vulnerabilities happen. The quality of your response can make the difference between a bad day and a disaster. What happens after the response can make the difference between endless firefighting and becoming stronger with every battle. A quality postmortem analysis is free ammunition.

Mahara is an open source e-portfolio system. It can also be used as a social networking platform. Mahara is written in PHP and uses either PostgreSQL or MySQL database server to store its data. You can use Mahara to create your personalized multimedia portfolio and to collaborate with others. In this tutorial, we will install Mahara on CentOS 7 server.

Of the many technologies that have emerged over the past decade, cloud computing is notable for its rapid advance from a niche technology to global domination. On its own, cloud computing has created a lot of confusion, arguments, and debates, and "hybrid" cloud, which blends several types of cloud computing, has created even more uncertainty. Read on for answers to some of the most common questions about hybrid cloud. read more

The next long-term support version of Ubuntu desktop Linux will include default programs chosen by users.

Cloud dev biz tries rainmaking, stirs up storm of complaints Kite, a San Francisco-based development tools startup, has managed to alienate developers by quietly altering open-source projects for its benefit.…

There are a number of great options for seeing your favorite song lyrics on your Linux desktop. These music players and standalone utilities can help.

Open organizations apply principles from open source software development more broadly. Existing organizations find the open approach appealing because it promises gains in productivity and efficiency—but openness may have farther-reaching consequences than we anticipate or intend. One influential set of open principles comes from Steven Levy's book about the early history of the computing revolution, Hackers. Levy lays out what he calls "the Hacker Ethic," and it begins with "the Hands-On Imperative": read more

The GNOME Builder IDE (Integrated Development Environment) open-source tool designed to help aspiring application developers create modern apps for the GNOME/GTK+ ecosystem will get a major revamp for the GNOME 3.26 desktop release.

The Modularity and Server Working Groups are very excited to announce the availability of the Boltron Preview Release. Boltron is a bit of an anomaly in the Fedora world — somewhere between a Spin and a preview for the future... Continue Reading →

Every year at Akademy we celebrate some of our hardest working achievers in the community. The prizes are selected and awarded by the previous year's winners.

Eight months after three critical vulnerabilities were fixed in the memcached open source caching software, there are over 70,000 caching servers directly exposed on the internet that have yet to be patched. Hackers could execute malicious code on them or steal potentially sensitive data from their caches, security researchers warn.

MesosCon is an annual conference that brings together users and developers to share and learn about the project and its growing ecosystem. The conference will feature two days of sessions to learn more about the Apache Mesos core and related technologies. The Call For Papers (CFP) for MesosCon Europe is closing soon! Submit your proposal by July 28 for consideration.

Onion announced two surface-mount spin-offs of the WiFi-enabled Omega2 module, which runs Linux on a MediaTek MT7688 SoC, and unveiled a new dev board. A year after launching its second-gen Omega2 computer-on-module, which advanced from a 400MHz Atheros AR9331 to a similarly MIPS-driven 580MHz MediaTek MT7688, Onion Corp. has revised the Omega2 with two surface […]

Although many media outlets have been quick to blame the open source practice of code reuse on the scope of this exploit, that ignores the core issue. The real problem is the lack of standards -- especially when it comes to security -- for IoT devices.

Graylog is a free and open source log management tool based on Java, Elasticsearch and MongoDB that can be used to collect, index and analyze any server log from centralized location. You can easily monitor the SSH logins and unusual activity for debugging applications and logs using Graylog.

GoDaddy is shuttering Cloud Servers, its public cloud service. I know what you’re thinking. “GoDaddy is in the public cloud business?” Therein might lie the problem.

Akademy has had its first full day of BoFs, group sessions discussing our plans for the next year. The wrapup session has just finished so watch the video to find out about what Plasma devs are working on, what tutorials happened and how we avoided a fist fight to the finish. Your browser does not support the video tag, download Monday wrapup video.

The academic year is firing back up soon, so you'll be seeing more education articles on Opensource.com in the coming weeks. read more

Pimcore is an open source enterprise content management system (CMS) written in PHP, It uses MySQL as database backend. In this tutorial, we will install Pimcore CMS on CentOS 7 server.

In this post, we’ll talk about where we started with package managers, how they’ve evolved, and why Kenzan recommends Yarn as a best bet for scaled applications in the continuing evolution of package management.

Do you want to sharpen your system administration or Linux skills? Perhaps you have some stuff running on your local LAN and you want to make your life easier—where do you begin? In this article, I'll explain how to set up tooling to simplify administering multiple machines. When it comes to remote administration tools, SaltStack, Puppet, Chef, and Ansible are a few popular options. Throughout this article, I'll focus on Ansible and explain how it can be helpful whether you have 5 virtual machines or a 1,000. read more

IP address stands for Internet Protocol Address and each devices are assigned with specified IP Address to identify the device which are connected on internet.

I installed Linux Mint 18.2 "Sonya" MATE onto my laptop's hard drive and have been using it for 2 weeks: it was easy to install and set up, had no issues, and was able to effectively stay out of my way.

Simulation video games (“Sims”) describe a wide range of video games, generally designed to closely emulate real life activities. Examples of this genre include operating a copy of a real-life vehicle, or participating in recreating historical events. Sims differ from other PC games in that their raison d’être isn’t always to entertain, at least not primarily. Simulation games remain popular among gamers, offering players the experience of the real world.

Nice solar tracking, shame about the Flatpaks Review Fedora 26, released recently, is a welcome update on the already very nice 25.…

Welcome to part 3 in the series on taking smart backups with duplicity. This article will show how to use Déjà Dup, a GTK+ program to quickly back up your personal files. Déjà Dup is a graphical frontend to Duplicity.... Continue Reading →

The development cycle of the upcoming Linux 4.13 kernel series, whose release cycle was kicked off last week by none other than Linus Torvalds, continues today with the second Release Candidate (RC) milestone.

Live demos are the bane of professional speakers everywhere. Even the most well-prepared live demo can go wrong for unforeseeable reasons. This is a bad thing to happen while you're on stage in front of 300 people. Live demos of remote web apps are so fraught with peril that most people find other ways of presenting them. Screenshots can never fail, and local sandboxes won't fail on overloaded conference internet connections. But what if we can't set up a local sandbox in time for our talk? What if our database is huge and complex? read more

Repeat after me: _ is allowed in domain names A few Penguinistas spent a weekend working out why they can't get through to Netflix from their Linux machines, because when they tried, their DNS lookups failed.…

One of the core activities of a system administrator is that of monitoring and interacting with the processes running on a machine. In this tutorial you will be introduced to the use of some fundamental tools that will help you accomplish that vital task.