Blog: Kubernetes

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"Kubernetes – What Is It and How Can It Help You"

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Caddy Server, Let's Encrypt, & Cattle Migration: Rancher to Adopt Kubernetes Native Orchestration

Written by: , Sep. 4, 2018

Easy HTTPS Server Settings for Caddy Boosts Users - RancherOS to Abandon Cattle

The Caddy web server package is one of the strongest trending new entries into the data center landscape this year with user rates skyrocketing due to the low installation footprint & ease of configuring HTTPS with Let's Encrypt SSL/TLS certificates. Caddy can be automated with a three line configuration file that makes container orchestration at enterprise scale more efficient. Caddy can be optimized as stack software for loading cloud SaaS/PaaS applications from containers. RancherOS announced this week that they would be discontinuing their own proprietary Cattle application for container orchestration and replacing it with a Kubernetes-native approach. This requires some existing applications using Cattle to be ported & re-coded for future upgrades. Cattle was not adopted widely in data centers globally and has been overrun by Kubernetes market share in the cloud orchestration engine sector. RancherOS will seek to continue popularity as a Docker container solution by specializing in Kubernetes integration with the core distribution package. Systems administrators & web/mobile app developers will be recommended to follow developments in the Rancher ecosystem for using their low-footprint Linux OS in containers. Deploying Caddy is a great solution where multiple domain names or sub-domains need free encryption support on a web server or for Software Defined Networking (SDN) between multi-cloud hardware elements in support of dependent microformat installs.

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"Caddy Server, Let’s Encrypt, & Cattle Migration: Rancher to Adopt Kubernetes Native Orchestration"

DockerCon 2018 SF: "Choice, Agility, & Security" is the Docker Promise

Written by: , Aug. 2, 2018

Docker Containers Can Be Used with No Vendor Lock-in, On Any Stack, with Any OS

Steve Singh, CEO of Docker, presented the keynote address at DockerCon 2018, held this June in San Francisco. According to Singh, Docker changes both the way software is built and how it is shared. In the current era of cloud computing, containers are everywhere, running Linux & Windows agnostically, operating in private data centers & the public cloud, even coming soon to edge devices embedded with new chips.

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"DockerCon 2018 SF: “Choice, Agility, & Security” is the Docker Promise"

Nabla Containers: New Format from IBM Designed for Strong Isolation on Cloud Hosts

Written by: , Aug. 1, 2018

Framework Installs with Docker to Add Unikernel Techniques Based on Solo5 & runnc

IBM recently launched a new container standard that functions as a type of plugin alternative to Docker's native format with the intention of creating more isolated sandbox environments for cloud architecture. Similar to the gVisor framework released by Google this year, Nabla Containers seeks to reduce the number of attack vectors that can be targeted by exploits for apps operating in production at scale. Rather than functioning as a true competitor to Docker, Nabla basically works as an alternative format that can be installed on the same hardware and software platforms (i.e. public/private cloud hosts) to provide more robust security. Nabla uses library OS/unikernel techniques via the Solo5 project middleware that reduces the number of Linux system calls required to 9 when operating a container. The main difference is that Nabla uses runnc as "the OCI-interfacing container runtime," whereas gVisor (another new hardened container sandbox alternative) is built around runsc and Docker containers are based on runC as the universal container runtime. Docker donated the code for runC to the Open Container Project in 2015 "as a standalone tool, to be used as plumbing by infrastructure plumbers everywhere." The Solo5 project was originally started by Dan Williams at IBM Research during work to port the MirageOS to support the Linux KVM hypervisor. The main components of Solo5 are the kernel, ukvm, a testing suite, and a set of tools which support various virtualization requirements across different operating systems & hardware devices. Nabla Containers will mostly appeal to programmers and developers who have a drastic need to reduce the number of system calls permitted to a VM in production to implement higher levels of security, although this will require custom formatted disk images that are not cross-compatible with Docker's runC code.

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"Nabla Containers: New Format from IBM Designed for Strong Isolation on Cloud Hosts"

Google Cloud Next 2018: Knative, gVisor, & BigQuery ML Highlight 100+ Key Announcements

Written by: , Jul. 31, 2018

Google Cloud Platform to Include New Suite of DevOps Tools for Enterprise & SMEs

Google hosted their premier industry event for cloud software developers, data center technicians, and IT-driven businesses with the Google Cloud Next '18 conference at the Moscone Center in San Francisco this June. With over 100 key announcements made at the three day convention led by Google's executive management and senior engineering talent, thousands of people packed the facilities and hundreds of thousands more tuned in to watch the seminars via livestream.

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"Google Cloud Next 2018: Knative, gVisor, & BigQuery ML Highlight 100+ Key Announcements"

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