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posted by mrpg on Wednesday May 30 2018, @12:10AM   Printer-friendly
from the one-process-to-rule-them-all dept.

Systemd Introduces "Portable Services" Functionality, Similar To Containers

Lennart is at it again, making complicated things that nobody asked for.

The past several months Lennart Poettering has been working on a "portable services" concept and that big ticket new feature has now landed in Systemd. Portable services are akin to containers but different.

[...] A portable service is ultimately just an OS tree, either inside of a directory tree, or inside a raw disk image containing a Linux file system. This tree is called the "image". It can be "attached" or "detached" from the system. When "attached" specific systemd units from the image are made available on the host system, then behaving pretty much exactly like locally installed system services. When "detached" these units are removed again from the host, leaving no artifacts around (except maybe messages they might have logged).

[...] The primary focus use-case of "portable services" is to extend the host system with encapsulated extensions, but provide almost full integration with the rest of the system, though possibly restricted by effective security knobs. This focus includes system extensions otherwise sometimes called "super-privileged containers".


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  • (Score: 1) by Ingar on Wednesday May 30 2018, @06:04PM

    by Ingar (801) on Wednesday May 30 2018, @06:04PM (#686382) Homepage

    Systemd still does not contain:
    * the bootloader

    systemd-boot has been around for a while. I have been forced to use it since grub wouldn't boot from my M.2 drive. It automaticly added an entry for my Windows installation. Then I added one manually, and mine actually boots faster.