this post was submitted on 05 Sep 2024
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Linux
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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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My understanding is that it boots faster. That's a nice thing to have on a container that spins up on demand.
It boots faster than openRC (which is painfully slow). But runit is a lot faster than systemd, and there are init systems even faster than runit. And they all already work with musl. There is even dinit system specifically designed for containers.
What is the name of the dinit system designed for containers?
"dinit"
In general (there are exceptions) containers do not use service managers at all. They start 1 command and that's it.
I tested this with EL6 and EL7. There was no discernible difference. It was all theories and brochureware.