Re: 4 old macs
My reply is located at the end of this post.
On Jan 5, 2006, at 1:03 PM, Dombi, George wrote:
Hi Rick,
Help me Obi-won Kenobi, Help me.
I'm hoping I can trouble you with a bunch of questions about running
linux on mac.
I have 4 old world macs (three 6500 mac (603e chip) and one 6100 mac
(G3 upgrade chip) ). All run OS 9.1 nicely. And all were running
Seti@home. They were connected on a switch by Den Mother and Puppies
clustering software, which is an AppleSoft method of message passing
to connects Mac. It was OK but I had no software to run so I didn't
use it. Even Seti has changed away from OS 9.
Now I want to go to Linux and run BOINC/Seti@home and Mpich for my
cluster software. So here are my questions. How do I do all of that?
I have loaded Yellow Dog 3.0 Linux on one machine (6500) so far which
recognized its second network card. I used YDL 3 because it was the
highest version YDL that I could load. YDL 4 seems to be for new
World macs. The next thing is to turn this 6500 into a DHCP server
using the Yellow Dog programs. Can you walk me throught that? Also I
tried to load BOINC but nothing happened. Do you know how to use
BOINC? Someone said YDL will not run it. I tried to compile BOINC on
YDL but got lost in downloading extra files.
Linux friends tell me that Debian Linux is better than YDL since it
does have mpich already on board. My attempts to load Sarge Debian
have met with failure because I can't find a Debian linux boot kernel
for ppc or a Debian linux ramdisk.image.gz file for the old world
ppc. I tried using the ramdisk.image from YellowDog but this seem to
want the YellowDog distribution CD and don't proceed with the Sarge
distribution CD. I imagine that the YDL ramdisk.image file has been
specially built to service the YDL distribution. Also should I be
trying to use Sarge or just Woody? Either way, where do I get the
ramdisk.image.gz. The old world macs require Xboot loader and will
not boot off of the linux distribution disk without it since part of
the mac OS 9.1 must be present to recognize the CD.
Some folks use Gentoo or Ubuntu, but both of those seem only to
support the new world macs loading with yaboot and not Xboot. So my
question to you is how to proceed. I have downloaded the first three
Sarge CDs, I have partitioned the hard drive into a Mac 9.1 space, a
swap space and a 2 G linux space. I have xboot on board in the
control panels of the mac. I don't know what files from the Sarge
distro to put were on the mac partitions. Can you advise me?
Bye for now,
George
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Hi George,
First, I know absolutely nothing about BOINC, so I won't be able to
help you with what seems to be your ultimate goal in all this.
Second, it's "BootX" not "Xboot" that you need to have as an extension
to your MacOS-9.1 installation. I'll assume that is just a typo.
At various times, I have installed both YellowDog 3.0.1 and Debian
Sarge 3.1r0a on my 6500/225 and my beige G3 machines. I have used
BootX (for both YDL and Debian) and I have also done Debian installs
from scratch using the Debian boot/install floppies. Both methods
work, with some patience and care.
I'm told it is possible to install YDL 4.0.1 on an old-world Mac using
BootX and a special kernel (not the one on the CD), but I've tried and
failed a couple of times.
On the Debian Sarge 3.1r0a netinst and businesscard CDs, the
"initrd.gz" file is located in the "install/powerpc" directory. The
kernel you want to use is the 2.6.8 kernel, named "vmlinux". It's in
the same folder as the "initrd.gz" file.
For the YDL install, you want the "install 1" CD. Look in the "boot"
folder. I believe (It's been a while since I did this) you want to use
the "vmlinux-2.4.20-8dBOOT" kernel for the install and the
"vmlinux-2.4.20-8d" kernel for actual running (but I could be wrong on
that -- it's been several years...) The initial RAM disk image is in
the "images" directory. It's called "ramdisk.image.gz" -- it's the
only thing in that directory.
You may want to spring for larger disks. 2.0 GB is going to be tight
for a modern working general-purpose Linux system of either variety.
If all you want to do is run SETI@home, it's probably OK but you will
have to be careful to only install the components you actually need.
The YDL setup, being older, will be somewhat leaner than the Sarge
Debian installation. (I've never tried Woody Debian, so I don't know
what that's like.) You did not mention RAM, but I find that 128 MB
(the max for my 6500/225) is usable for a text-only system, but cramped
if you want to run X-windows.
As I said, I've done it on 6500's, but I don't know if your 6100 with a
G3 upgrade chip will be usable.
I assume you are subscribed to the relevant yellowdog mailing lists
(plural -- there are several that may be helpful) and the
debain-powerpc mailing list. You may also want to check the archives
of the debain-boot mailing list, which is for discussing the
debian-installer; much of the Debian work I did was in testing the new
(sarge) debian-installer on oldworld Macs, and you'll find reports on
my experiences there. Some of my reports have quite detailed
instructions for duplicating my successful experiments with BootX-based
installation. Read them before you proceed.
There's an internet BBS for Yellowdog users at
<http://www.yellowdog-board.com/>. That may be helpful.
Have fun! and Good luck!
Rick
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