illumos-gate
bcc
illumos-gate | bcc | |
---|---|---|
30 | 71 | |
1,533 | 19,499 | |
0.7% | 1.0% | |
9.6 | 9.2 | |
2 days ago | 4 days ago | |
C | C | |
- | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
illumos-gate
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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/...
- Classic Unix Code Available as FLOSS (Free/Libre/Open Source Software)
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OpenIndiana
It's high time that the Illumos developers patched https://github.com/illumos/illumos-gate/blob/master/usr/src/... and https://github.com/illumos/illumos-gate/blob/master/usr/src/... to just set the error flag and return, and made the #ifndef TIOCSTI path in https://github.com/illumos/illumos-gate/blob/master/usr/src/... the only path.
Because by the looks of https://github.com/illumos/illumos-gate/blob/7c478bd95313f5f... the C shell was fixed years ago.
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Can SGI’s Enthusiast Community Bring IRIX Back to Life?
People are still actively working on Illumos. The last change was yesterday morning.
* https://illumos.org
People are still actively working on MirBSD. There's a CVS commit account that can be followed on the FediVerse.
* http://www.mirbsd.org
It's DragonFly BSD, not Dragon BSD, and the irony of that is that you missed FreeBSD, which is of course still going.
* https://dragonflybsd.org
* https://freebsd.org
As is GhostBSD, which tracks FreeBSD.
* https://ghostbsd.org
HardenedBSD is still going. Shawn Webb regularly talks about it on the FediVerse.
* https://hardenedbsd.org
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Linux distributions' relative popularity over time (by Distrowatch hits)
Its successor is still out there: Illumos. Though it seems to be mainly focused on backwards compatibility for existing custom applications as it still enforces things like an 8 character username limit.
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Use a BSD style license for your Open Source Project (2021)
> Since then, illumos has rewritten all those components
But apparently kept the same license?
>> Most of the existing code is licensed under the CDDL and we expect new code will generally be under this license as well.[0]
[0] https://github.com/illumos/illumos-gate
bcc
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eBPF: Unleashing Kernel Magic for Modern Infrastructure
But wait, there's more! Enter the BCC toolkit and library, your trusty sidekick in simplifying the arcane art of writing eBPF applications. With BCC by your side, you'll be wielding eBPF like a seasoned pro in no time.
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Linux: Easy Keylogger with eBPF (2018)
Nice - I normally use [bash-readline](https://github.com/iovisor/bcc/blob/master/tools/bashreadlin...) when coworking/co-inhabiting a server or training someone.
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eBPF Documentary
One of the big wins is not so much “build and run your own stuff” but there are very nice low-cost (in terms of compute) performance utilities built on eBPF
https://github.com/iovisor/bcc
There are so many utilities in that list; there’s a diagram midway down the readme which tries to help show their uses. bcc-tools should be available in any distro.
Also, Brendan Gregg does a ton of performance stuff that is worth knowing about if you check out his other work. Not eBPF only. Flame graphs are useful.
- Bpftop: Streamlining eBPF performance optimization
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eBPF Tutorial by Example 16: Monitoring Memory Leaks
Reference: https://github.com/iovisor/bcc/blob/master/libbpf-tools/memleak.c
- eBPF Tutorial by Example 9: Capturing Scheduling Latency and Recording as Histogram
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Uprobes Siblings - Capturing HTTPS Traffic: A Rust and eBPF Odyssey
In this article, we'll build a basic version of an HTTPS sniffer, inspired by bcc-sslsniff.py, but we'll use Rust and Aya. We're going to demonstrate the capabilities of uprobes by employing uprobe and uretprobe along with familiar maps like PerCpuArray, HashMap, and PerEventArray. This will be a straightforward example to help us explore how uprobes function.
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Issue XDP_REDIRECT on other interface in the same namespace
As xpd program I am using the BCC example xdp_redirect_map.py in skb mode as my NIC does not support native mode, attaching the program to veth2 and a dummy function to veth3
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Linux runtime security agent powered by eBPF
https://github.com/iovisor/bcc/blob/master/docs/reference_gu...
- eBPF Practical Tutorial: Capturing SSL/TLS Plain Text Data Using uprobe
What are some alternatives?
linux - Linux kernel source tree
libbpf - Automated upstream mirror for libbpf stand-alone build.
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/
bpftrace - High-level tracing language for Linux eBPF [Moved to: https://github.com/bpftrace/bpftrace]
orbiter - Open-source repository of Orbiter Space Flight Simulator
ebpf-for-windows - eBPF implementation that runs on top of Windows
awesome-space - 🛰️🚀A list of awesome space-related packages and resources maintained by The Orbital Index
zfs - OpenZFS on Linux and FreeBSD
unix-v6 - UNIX 6th Edition Kernel Source Code
NeptuneOS - Neptune OS: A Windows NT personality for the seL4 microkernel
nokogiri-rust - Ruby FFI wrapper around scraper crate to be used instead of Nokogiri. Status: proof of concept.