this post was submitted on 16 Nov 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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This is the best summary I could come up with:
Canonical hosted an amusingly failure-filled demo of its new easy-to-install, Ubuntu-powered tool for building small-to-medium scale, on-premises high-availability clusters, Microcloud, at an event in London yesterday.
The presentation was as buzzword-heavy as one might expect, and it's also extensively based on Canonical's in-house tech, such as the LXD containervisor, Snap packaging, and, optionally, the Ubuntu Core snap-based immutable distro.
Microcloud combines several existing bits of off-the-shelf FOSS tech in order to make it easy to link from three to 50 Ubuntu machines into an in-house, private high-availability cluster, with live migration and automatic failover.
Multiple vendors have tools for easily building Kubernetes clusters; for instance, in a prior role, this vulture wrote the original installation guide for SUSE's CaaSP, now discontinued and replaced by its Rancher acquisition.
Even so, Flatpak remains poor at handling command-line tools and can't be used to build a distro, for which you need to tackle OStree head-on.
Snap works by keeping each app in a single, compressed file, making transactionality easy without COW or anything resembling Git.
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