Servers: Containers, 'Cloud', Microservices, and Hyperledger
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How to Choose a Linux Container Image
A comparison of Linux container images talks about the best-practices in choosing an image. Architecture, security and performance are among the factors, while commercial users would also look for support options.
A Linux container allows separate management of kernel space and user space components by utilizing cgroups and namespaces, which are resource and process isolation mechanisms. Solaris and BSD also have abstractions similar to Linux containers but the article's focus is on the latter only. The host running the container has the operating system kernel and a set of libraries and tools required to run containers. The container image, on the other hand, has the libraries, interpreters and application code required to run the application that is being distributed in the container. These depend on underlying system libraries. This is true for interpreted languages too as the interpreters themselves are written in low level languages.
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The Four Pillars of Cloud-Native Operations
As organizations shift their application strategies to embrace the cloud-native world, the purpose of the cloud transitions from saving money to delivering and managing applications. Platforms such as Cloud Foundry, Kubernetes, and Docker redefine the possibilities for application environments that utilize the cloud. It’s time for us as operations professionals to rethink how we approach our jobs in this new world. We should be asking, how do our organizations take advantage of cloud-native as a new mode of application delivery?
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How to align your team around microservices
Microservices have been a focus across the open source world for several years now. Although open source technologies such as Docker, Kubernetes, Prometheus, and Swarm make it easier than ever for organizations to adopt microservice architectures, getting your team on the same page about microservices remains a difficult challenge.
For a profession that stresses the importance of naming things well, we've done ourselves a disservice with microservices. The problem is that that there is nothing inherently "micro" about microservices. Some can be small, but size is relative and there's no standard measurement unit across organizations. A "small" service at one company might be 1 million lines of code, but far fewer at another organization.
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Hyperledger Stitches in Another Blockchain Project
The Linux Foundation’s open source Hyperledger Project, which works on blockchain technologies, added a sixth sub project — this one dubbed Quilt.
Hyperledger Quilt started around 18 months ago and is an implementation of the Interledger Protocol (ILP), which helps facilitate transactions across ledgers.
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Chinese Search Giant Baidu Joins Hyperledger Blockchain Consortium
Chinese search engine giant Baidu has become the latest member of the Linux Foundation-led Hyperledger blockchain consortium.
In joining the group – which focuses on developing blockchain technologies for enterprises – Baidu will assist the project's efforts alongside other member companies including Accenture, IBM, JP Morgan, R3, Cisco and SAP, among others.
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