Bottlerocket: Amazon’s Open Source Container Linux Distribution

guest · Sep 7, 2020

Bottlerocket: Amazon’s Open Source Container Linux Distribution Now Available
It lets you host and run containers like Kubernetes on VMs or bare metal hosts
September 5, 2020
https://fossbytes.com/bottlerocket-amazons-open-source-container-linux-distribution-now-available/

In March this year, Amazon Web Services (AWS) teased the first public release of its brand new Linux-based OS, Bottlerocket. Following the same, AWS Product Manager Samartha Chandrashekar has now unveiled the general availability of Bottlerocket.

This means you can use this open-source Linux distribution to host and run containers on virtual machines or bare metal hosts. For those who don’t know, a container is just like a normal application that bundles all the codes and its dependencies together.
It helps to run containerized applications in any environment and platform.
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Based on Linux, Bottlerocket also leverages its features to provide enhanced security such as dm-verity (Device-mapper’s verity target), eBPF (extended Berkeley Packet Filter), cgroups (control groups), namespaces, and seccomp.

If you still care about its security, let me tell you about Bottlerocket that large parts of its components are written in the most loved programming language, Rust, that already prevents vulnerable memory-related errors like buffer overflows.
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How To Use Bottlerocket OS?
To set up Bottlerocket with Amazon services, follow the official guide for using Bottlerocket AMI with Amazon EKS or Amazon ECS.
Additionally, you can also create your own custom builds of Bottlerocket with your desired changes. To do so, fork the GitHub repository, make your changes, and then follow the official building guide.
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guest · Sep 7, 2020

Five things to know about Bottlerocket, AWS’ new container-optimised Linux
September 7, 2020
https://www.crn.com.au/news/five-th...cket-aws-new-container-optimised-linux-552893

Bottlerocket isn’t the first operating system stripped down to most-efficiently run containers, but it’s one that is likely to see rapid adoption, and generate a significant partner opportunity, because of its tight integration with native services in the industry’s leading public cloud, as well as innovative upgrading and security capabilities.

“We are one of largest destinations for customers running containerized workloads,” Peder Ulander, who lead’s AWS’ open source efforts, told CRN. That includes enterprises self-managing orchestrators like Kubernetes or Docker Swarm, or opting for managed AWS container services Amazon Elastic Kubernetes Services (EKS) and Amazon Elastic Container Services (ECS).
While the project is led by Amazon, and focused on Amazon’s cloud, Bottlerocket is open source—it can be deployed anywhere: on-premises, any competing public cloud, on the network’s edge, and even in non-containerized environments like AWS EC2 instances, Ulander said.
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Benefits of slimming down

“Bottlerocket is a slimmed down Linux that’s optimized to run your container hosts,” Ulander said.
AWS and the developer community it’s nurturing on GitHub have eliminated Linux kernel features not needed to support container deployments; that leaner OS creates a smaller attack surface for better security and a smaller install footprint to bring down resource utilization and costs.
Native AWS integrations
“Integration into AWS services is what makes this unique and probably why someone would want this verses a CoreOS or an Alpine,” Ulander told CRN USA.
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Why open source?
Amazon open-sourced Bottlerocket “because we believe this is a bigger thing that a lot of customers can actually make use of in their own environments,” Ulander said.

Because Bottlerocket is based on the latest Linux kernel, partners and customers that want to optimize the OS can contribute to the project.
In that sense, it’s similar to what AWS did with Firecracker, a cloud technology developed for virtual machines and serverless functions.
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Bottlerocket: Amazon’s Open Source Container Linux Distribution

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