hubertf's NetBSD Blog
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[20090103] Creating a bootable disk image (for shark/arm and i386)
I've added a SD-Card to IDE adapter to my shark some time ago, and wanted to create an image for the SD-Card. Using Mac OS as development platform prevented the use of NetBSD's vnd(4), plus I wanted to do this without root privileges. NetBSD's makefs(8) seemed like a nice tool, but how to add bootblocks, partition tables, etc.? A script posted by Izumi Tsutsui got me on track, and after looking a bit at some hexdumps of various file system images, boot blocks, and BSD disk labels, I managed to adjust Izumi's script enough to give me bootable disk images for booth shar/arm and i386. The script can be found in the port-arm archive.

Lessons that I've learned by this (and that I'd like to share):

  • a MS-DOS MBR is 512 bytes (boring)
  • a BSD disklabel is some 300-400 bytes, apparently not really fixed in size. The interesting part: if you create a BSD disk label on a image, the first 512 bytes are left alone. Good to put a MBR in!
  • when you have a FFS file system image (e.g. created with mkfile), the actual file system data only starts at byte 8192 - that's plenty of space to put a BSD disk label in there. Oh, and a MBR, too, if needed! :-)
A followup by Izumi explains these things in more details.

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[20060106] i386pkg-3.0 uploaded (Updated)
I finally found time to assemble the NetBSD 3.0 CDs and the newly available NetBSD/i386 3.0 packages that Manuel uploaded into a (one!) CD that has the install sets for NetBSD/i386 3.0 plus a set of "essential" (for some definition of 'essential'... :-) packages on them. I've made the README.i386pkg available along with the 700MB ISO file... (I'm still waiting for a bittorrent tracker to be setup, and won't provide a link here to the actual ISO file. Shouldn't be hard to find :-)

Update: Jeff Rizzo was fast in creating a bittorrent tracker and you can download the file by pointing your favourite bittorrent client at the i386pkg-3.0.iso.torrent file now. Have fun!

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[20060104] NetBSD/i386 2.1 and 3.0 binary packages available
Happy leeching!

(Well, let's add a few more words here: these are the binary sets accompanying the NetBSD/i386 3.0 release, first of all, and also the recent 2.1/i386 release. With that, I guess I can think about upgrading a machine or two's userland... which reminds me of the old question: "how do I best update all my installed pkgs to the latest version"? I need to dig in the archives of this blog for some answers, unless someone tells me that pkg_chk can be used for that these days)

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[20051007] Binary packages of pkgsrc-2005Q3 for NetBSD 2.0/i386 available
Manuel Bouyer has finished his bulk build of the pkgsrc-2005Q3 branch, and uploaded binary packages for NetBSD 2.0/i386 (which will also work on 2.0.2 and the upcoming 2.1 release). See Manuel's mail for more details.

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[20041214] i386pkg ISO available (Update #2)
I forgot to move the i386pkg.iso file into place, but here it is now: ftp://ftp.NetBSD.org/pub/NetBSD/iso/2.0/i386pkg.iso. It boots into sysinst, has all the i386 install sets, and is filled to the rim with pkgs. See the README.i386pkg file for more details. And sorry this is a bit late!

Update: Permission problem with the checksum files, so here it is until the checksum files are fixed:

 MD5 (i386pkg.iso) = 038771fda4723ccc4d1dcbbe2b04323c
      
Update #2: A i386pkg.iso.torrent file is now available, too, for fast download with BitTorrent!

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