Operations | Monitoring | ITSM | DevOps | Cloud

Containers

The latest News and Information on Containers, Kubernetes, Docker and related technologies.

Comparing Kubernetes CNI Providers: Flannel, Calico, Canal, and Weave

Network architecture is one of the more complicated aspects of many Kubernetes installations. The Kubernetes networking model itself demands certain network features but allows for some flexibility regarding the implementation. As a result, various projects have been released to address specific environments and requirements.

Online Meetup: Introducing Submariner -- Multi-Cluster Networking for Kubernetes

As more organizations benefit from the increased availability and security offered by multi-cluster Kubernetes, the release of Submariner now enables containers in different clusters to establish a direct network connection with each other.

Detecting the Kubernetes API Server DoS Vulnerability (CVE-2019-1002100)

Recently, a new Kubernetes related vulnerability was announced that affected the kube-apiserver. This was a denial of service vulnerability where authorized users with write permissions could overload the API server as it is handling requests. The issue is categorized as a medium severity (CVSS score of 6.5) and can be resolved by upgrading the kube-apiserver to v1.11.8, v1.12.6, or v1.13.4.

Container Security Best Practices

Containers are no longer the next big thing in the industry. They are mainstream now. This means they should be treated seriously and not like a novelty. What are the main areas of concern when you want to add a new tool to your stack? For most of us stability, security, and observability are the things that matter the most. This article will focus on security.

k3s -- The Lightweight Kubernetes Distribution Built for the Edge

Kubernetes is pushing out of the data center into stores, networks and factories. DevOps teams are excited about Kubernetes because it provides predictable operations and a cloud-like provisioning experience on just about any infrastructure. For the last year Rancher Labs has been working with organizations to create a lightweight implementation of Kubernetes that is easy to operate and can run on x86 and ARM infrastructure without using more than 512 MB of memory.