Articles

Lead Image © Andriy Popov, 123RF.com

Lead Image © Andriy Popov, 123RF.com

A central access manager for SSH, Kubernetes, and others

Teleport centrally manages logins against various protocols, including SSH, Kubernetes, and databases. Functions such as two-factor authentication are included in the scope of delivery, as is management of your own certificates.
Lead Image © rudall30, 123RF.com

Lead Image © rudall30, 123RF.com

Detect anomalies in metrics data

Anomalies in an environment's metrics data are an important indicator of an attack. The Prometheus time series database automatically detects, alerts, and forecasts anomalous behavior with the Fourier and Prophet models of the Prometheus Anomaly Detector.
Photo by Oscar Sutton on Unsplash

Photo by Oscar Sutton on Unsplash

Certificate management with FreeIPA and Dogtag

The Dogtag certificate manager integrated into the FreeIPA open source toolset generates SSL/TLS certificates for intranet services and publishes them on the network.
Photo by lee junda on Unsplash

Photo by lee junda on Unsplash

Puppet Bolt orchestration tool

Puppet Bolt free software automates administrative tasks to speed up the admin's daily work.
Photo by Shane Rounce on Unsplash

Photo by Shane Rounce on Unsplash

Statistics and machine learning with Weka

The open source Weka tool applies a wide variety of analysis methods to data without the need for advanced programming skills and without having to change environments.
Lead Image © Liubomyr Feshchyn, 123rf.com

Lead Image © Liubomyr Feshchyn, 123rf.com

Goodbye cloud VMs, hello laptop VMs

Multipass lets you launch and run Ubuntu virtual machines, use cloud-init to configure the VMs, and prototype cloud launches locally in minutes.
Lead Image © Sebastian Duda, 123RF.com

Lead Image © Sebastian Duda, 123RF.com

Rancher manages lean Kubernetes workloads

The Rancher lightweight alternative to Red Hat's OpenShift gives admins a helping hand when entering the world of Kubernetes, but with major differences in architecture.
Photo by Gabriel Crismariu on Unsplash

Photo by Gabriel Crismariu on Unsplash

Microsoft Exchange replacement

Grommunio is setting itself up as an open source drop-in replacement for Microsoft Exchange.
Lead Image © Nah Ting Feng, 123RF.com

Lead Image © Nah Ting Feng, 123RF.com

Lithnet Password Protection for Active Directory

Lithnet Password Protection for Active Directory provides flexible rules beyond that possible with group policies alone and prevents the use of previously compromised passwords.
Photo by Pascal Bernardon on Unsplash

Photo by Pascal Bernardon on Unsplash

Chef users faced with a license change might find solace in a new open source distribution, Cinc.

For the past two years, Chef software used commercially has required a separate license. Cinc enters the scene as a free and completely compatible Chef distribution that makes it a genuine alternative.