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Azure Linux

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CBL-Mariner
DeveloperMicrosoft and community
Written inC
OS familyUnix-like (Linux kernel)
Working stateCurrent
Source modelOpen source
Initial release2020; 5 years ago (2020)
Repositorygithub.com/microsoft/CBL-Mariner
Marketing targetCloud infrastructure and edge products and services
Kernel typeMonolithic
LicenseMix of open-source licenses including the GNU GPL and the MIT License
Official websitegithub.com/microsoft/CBL-Mariner

CBL-Mariner (Common Base Linux)[1] is a free and open source cloud infrastructure operating system based on Linux and developed by Microsoft.[2][3]

Overview

CBL-Mariner is being developed by the Linux Systems Group at Microsoft for its edge network services and as part of its cloud infrastructure.[3] The company uses it as the base Linux for containers in the Azure Stack HCI implementation of Azure Kubernetes Service.[2] In a similar approach to Container Linux, CBL-Mariner only has the basic packages needed to support and run containers. Common Linux tools are used to add packages and manage security updates. Updates are offered either as RPM packages or as complete disk images that can be deployed as needed. Using RPM allows adding custom packages to a base CBL-Mariner image to support additional features and services as needed. Notable features include an iptables-based firewall, support for signed updates, and a hardened kernel.[3]

The system was open sourced by Microsoft in 2020.[3] The source code is licensed under a mix of open-source licenses including the GNU General Public License and the MIT License and available on GitHub.

Prerequisites for building CBL-Mariner include the Go programming language, the QEMU utilities, as well as RPM.[3]

See also

References

  1. ^ Branscombe, Mary (December 2, 2020). "What is Microsoft doing with Linux? Everything you need to know about its plans for open source". TechRepublic.
  2. ^ a b Foley, Mary Jo (November 11, 2020). "CBL-Mariner: Microsoft's internal Linux distribution for Azure first-party services and edge appliances". ZDNet.
  3. ^ a b c d e Bisson, Simon (November 10, 2020). "Microsoft adds a new Linux: CBL-Mariner". InfoWorld.

Further reading

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