Showing headlines posted by bob

Just like Kubernetes, Spinnaker is a technology that is battle tested, with Netflix using Spinnaker internally for continuous delivery.

The old way of configuring Debian-based network interfaces was based on the ifupdown package. The new default is called Netplan, and although it's not terribly difficult to use, it's drastically different. Netplan is sort of the interface used to configure the back-end dæmons that actually configure the interfaces. Right now, the back ends supported are NetworkManager and networkd.

Managing an application on OpenStack presents a host of challenges for the system administrator, and finding ways to reduce complexity and produce consistency are key ingredients to achieving success. By using Ansible, an agentless IT automation technology, a system administrator can create Ansible playbooks that provide consistency and reduce complexity. read more

ONLYOFFICE is an open source office suite distributed under GNU AGPL v3.0. It incorporates online editors for text documents, spreadsheets and presentations. This tutorial shows how to install ownCloud with ONLYOFFICE using Univention App Appliance.

One of the great things about the Python programming language is PyPI, the Python Package Index, where third-party libraries are hosted, available for anyone to install and gain access to pre-existing functionality without starting from scratch. These libraries are handy utilities, written by members of the community, that aren't found within the Python standard library. But they work in much the same way—you import them into your code and have access to functions and classes you didn't write yourself. read more

mod_wsgi is an Apache module that can be used for serving Python scripts over HTTP via Apache web server like Django, Web.py, Werkzug, Chery.py, TurboGears, and Flask. In this tutorial, we will learn how to install and set up of mod_wsgi with the Apache server on Ubuntu 18.04 LTS (Bionic Beaver) server.

Today we launched the first article in our LISA18 speaker series, An introduction to Ansible Operators in Kubernetes by Michael Hrivnak. Check back for more articles from LISA18 speakers leading up to the event, which will be held October 29-31 in Nashville, Tennessee.

For years, Ansible has been a go-to choice for infrastructure automation. As Kubernetes adoption has skyrocketed, Ansible has continued to shine in the emerging container orchestration ecosystem. read more

Linux containers are processes with certain isolation features provided by a Linux kernel — including filesystem, process, and network isolation. Containers help with portability — applications can be distributed in container images along with their dependencies, and run on virtually any Linux system with a container runtime. Although container technologies exist for a very long time, […]

After months of user testing in developer and beta channels, the Crostini project at Google finally delivered the goods, Linux apps for most users of Chromebooks in the stable channel—definitely worth the wait...

RabbitMQ is the message-queueing software that offers support for sending and receiving messages between distributed systems, applications, and services. In this tutorial, I will show you step-by-step how to set up the RabbitMQ Cluster on a CentOS 7 Server.

Of the many things the go executable can do, most people know only go run and go build. And, of the many packages in the standard Go library, most people know only the fmt package. This cheat sheet will list many uses of the go executable and the most important packages in the Go standard library. Download the Go command and packages cheat sheet read more

Our writer community grows each month as new, interesting folks write for us and join in on the fun of sharing their expertise and experiences in open source technology. So, it's no surprise that they are brimming with fascinating information. It's just asking the right question to release it. Recently, I asked: What programming languages do you use at work, and which ones do you use on the weekend? read more

Doc Searls and Katherine Druckman talk to Erich Andersen, Corporate Vice President, Deputy General Counsel at Microsoft and Keith Bergelt, CEO of Open Invention Network about Microsoft's recently announced membership with the Open Invention Network patent community.

Multiple vulnerabilities have been discovered in PHP, the most severe of which could allow an attacker to execute arbitrary code. Systems affected: PHP 7.2 prior to 7.2.11, PHP 7.1 prior to 7.1.23, PHP 7.0 prior to 7.0.32, and PHP 5.6 prior to 5.6.38

Edge computing has gradually climbed the hype curve over the last couple of years, and it now stands at the center of why we do new things and launch new technologies. Why is it so important, what does it mean, where is the money behind the movement, and what does it mean to you? These are all good questions, and there is no simple answer to any of them.

The move opens up Microsoft's 60,000 patents to Open Invention Network members who are using them in the Linux system. What does that mean, specifically? Read on.

Whether you're following your internal information security policy or trying to meet regulatory requirements such as GDPR, ANSSI, PCI DSS, HIPAA, or NIST, you are likely looking for ways to protect the privacy and integrity of your data and software. That solution can be found in encryption. OpenStack provides all the ingredients necessary to deploy privacy and integrity solutions, but it is up to the operator to deploy them securely.

Doc Searls and Katherine Druckman talk to Erich Andersen, Corporate Vice President, Deputy General Counsel at Microsoft and Keith Bergelt, CEO of Open Invention Network about Microsoft's recently announced membership with the Open Invention Network patent community.

One category that often gets overlooked in the discussion of Linux computers is the market for HDMI dongle devices that plug into your TV to stream, mirror, or cast content from your laptop or mobile device. Yesterday, Google announced an extensively leaked third-gen version of its market-leading, Linux-powered Chromecast device.