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Illumos-gate Alternatives
Similar projects and alternatives to illumos-gate
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src
Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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freebsd-src
The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....
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awesome-space
🛰️🚀A list of awesome space-related packages and resources maintained by The Orbital Index
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linux
Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/ (by raspberrypi)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better illumos-gate alternative or higher similarity.
illumos-gate discussion
illumos-gate reviews and mentions
Posts with mentions or reviews of illumos-gate.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-06-08.
- Oxide Cuts Data Center Power Consumption in Half
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The Last Sun Sparc Workstation
It’s still going, in the form of Illumos: https://illumos.org/
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CVE-2023-2163: How we found and fixed an eBPF Linux Kernel Vulnerability
DTrace and eBPF are "not so different" in the sense that dtrace programs / hooks are also a form of low-level code / instruction set that the kernel (dtrace driver) validates at load. It's an "internal" artifact of dtrace though, https://github.com/illumos/illumos-gate/blob/master/usr/src/... and to my knowledge, nothing like a clang/gcc "dtrace target" exists to translate more-or-less arbitrary higher-level language "to low-level dtrace".
The additional flexibility eBPF gets from this is amazing really. While dtrace is a more-targeted (and for its intended usecases, in some situations still superior to eBPF) but also less-general tool.
(citrus vs. stone fruit ...)
- "Doors" in Solaris: Lightweight RPC Using File Descriptors (1996)
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What Is PID 0?
We can see it is called sched. Why sched? This article talked about the historic role of PID 0 in process swapping. Process swapping is a scheduling problem (like a lot of problems in software). This is why swappers are traditionally called medium-term or memory schedulers. Illumos generally gives most groupings of kernel worker threads their own processes with their own PIDs, but one, called "sched", remains in PID 0, and its responsibility? Process swapping:
https://github.com/illumos/illumos-gate/blob/579c23696ac6891...
The Wikipedia article has now been hastily edited, and replaces a claim that was true only of certain Unixes other than Linux with a claim true only of certain Unixes including Linux. Is this an improvement?
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eBPF Documentary
It may become a footnote on Linux, but Linux isn't the only system out there -- and DTrace remains alive and well in many systems (not least in its reference implementation in illumos[0]).
[0] https://github.com/illumos/illumos-gate
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Oxide Computer releases distribution of illumos intended to power the Oxide Rack
Nobody's paid to have it pass Open Group Unix Branding certification tests
https://www.opengroup.org/openbrand/register/
so it can't use the UNIX™ trade mark.
But it's got the AT&T Unix kernel & userland sources contained in it.
PDP-11 Unix System III: https://www.tuhs.org/cgi-bin/utree.pl?file=SysIII/usr/src/ut...
IllumOS: https://github.com/illumos/illumos-gate/blob/b8169dedfa435c0...
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In OpenZFS and Btrfs, everyone was just guessing
> it seems like this bug might actually date back to the very beginning of ZFS with Sun
Looks like you might be right about that. The oldest commit referenced in the fix [0] was from 2006[1], which was just months after Sun released ZFS.
[0] https://github.com/openzfs/zfs/pull/15571
[1] https://github.com/illumos/illumos-gate/commit/c543ec060d
- Getaddrinfo() on glibc calls getenv(), oh boy
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Grokking AVL and RAVL Trees
It could be good for in memory stores / log-structured merged trees / other data store applications although it isn't used much now-days. I find them simpler to implement and understand than red-black trees -- although that's a matter of taste I suppose. They beat red-black trees in read-heavy loads (i.e. writes / updates are more costly for AVL trees than for Red-Black trees although they beat R-B trees for read-heavy loads). You can find another implementation in Illumos (an open source Unix operating system) available here: https://github.com/illumos/illumos-gate/blob/master/usr/src/...
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The primary programming language of illumos-gate is C.
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