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Showing posts older than #90 · Back to latest

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Post #87 1.34K
NetBSD Toaster Powered by the TS-7200 ARM9 SBC (article from 2016).

It has long been regarded that the UNIX-like OS NetBSD is portable to every type of machine except perhaps your kitchen toaster. Technologic Systems, however, has conquered this last frontier. Using the rugged, embedded TS-7200 single board computer housed inside the empty space of a standard two slice toaster, Technologic Systems has designed a functional NetBSD controlled toaster...

- https://www.embeddedts.com/blog/netbsd-toaster-powered-by-the-ts-7200-arm9-sbc/

- https://www.embeddedts.com/blog/netbsdevbarm-support-on-the-ts-7200/

#hardware #system #install
  • 🔥 4
Post #85 858
Run GitHub CI in NetBSD Test.

Use this action to run your CI in NetBSD. The github workflow only supports Ubuntu, Windows and MacOS. But what if you need to use NetBSD? This action is to support NetBSD...

https://github.com/vmactions/netbsd-vm

#ci #github #action
Post #84 812
NetBSD 10 Beta installs and testing from i386 to ARM.

I've run NetBSD for quite some time, going back to the days of Dr. Dobbs magazine and the release of the BSD4-based 386BSD (which I installed from floppy disks...). The chance of beta testing the newest release came at the end of December 2022. I had installed NetBSD-current on Raspberry Pi platforms, and also had different levels of NetBSD 9 on systems.

This story is on my attempts to upgrade or install fresh operating systems "in house". Rather than strict chronological order, the sections below are by CPU architecture, starting with the older i386 then going to Arm processors. I have not upgraded an AMD-based system (yet), and will add notes at the end when I can...

https://jspath55.blogspot.com/2023/02/netbsd-10-beta-installs-and-testing.html

#system #install
  • 👍 2
Post #81 629
NetBSD at Reproducible Builds Summit Venice 2022.

The sixth Reproducible Builds Summit took place exactly two months ago in Venice, Italy. These three days of workshops were filled with a succession of interactive sessions, where everyone attending had the opportunity to present or learn about anything related to Build Reproducibility...

https://blog.netbsd.org/tnf/entry/reproducible_builds_summit_venice_2022

#system #reproducible
  • 👍 1
Post #80 583
🎄Happy New Year, folks!
  • 🎉 9
  • 🔥 1
Post #79 631
NetBSD 10.0 BETA available.

After nearly 3 whole years of development (work started on NetBSD 10 in late 2019), BETA snapshots have finally been published for interested users to test. More changes will be backported from the development branch over the next few months before we tag a final release, so the BETA images will keep getting updated...

https://blog.netbsd.org/tnf/entry/netbsd_10_0_beta_available

#system #beta #release
  • 🎉 2
  • 👍 1
Post #78 548
NFS on NetBSD: server and client side.

As pretty much any other UNIX system, NetBSD provides solid in-kernel NFS support. See nfsssvc(2). Since I only run Windows occasionally (mainly for MS-Office or MATLAB) and all of my machines either run NetBSD, Slackware or Tribblix, it makes sense for me to opt for NFS as a distributed file system protocol to share files from my server over the local network...

https://www.unitedbsd.com/d/959-nfs-on-netbsd-server-and-client-side

#nfs #filesystem
  • 🔥 3
Post #77 514
Hunting kernel lock and interrupt latency.

Too much of the kernel still runs with the kernel lock, which is bad for performance -- and especially for interactive system responsiveness, since most of wscons including keyboard and mouse input still use the kernel lock. On single-CPU systems, the same problem arises with interrupt latency on its own...

https://mail-index.netbsd.org/tech-kern/2022/10/30/msg028499.html

#kernel #troubleshooting #system
  • 👍 1
Post #75 569
Crash Override: NetBSD 5.0-9.3 Coredump Kernel Refcount LPE.

NetBSD 5.0 (released 2009) introduced a change to the in-kernel coredump handler that accidentally introduced a reference count bug on the crashing process' credential. Triggering the vulnerability leads to a use-after-free that can be trivially (though slowly) exploited to achieve local privilege escalation, gaining root from an unprivileged starting point...

https://accessvector.net/2022/netbsd-coredump-lpe

#kernel #system
  • 🔥 2
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