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Linux Help- Knoppix

M

marty9876

[H]ard|DCer of the Month - February 2006
Joined
Jun 11, 2003
Messages
4,906
Hi all,

Trying to setup my cluster, well I got a boxen booted.... Trying to run the folding client and not having any luck. How to you run a program on Linux? Or change directories from the root deal? I was trying to do the "chmod" deal that I think I need to do..... way lost here. The root deal drops me into "/root" and I need to get to "/home/knoppix" to chmod the program I downloaded.

Hey, I said I was a linux nOOb. Got a node booted to that's a atep in the right direction.

Thanks!
Marty
 
do
Code: 
cd /home/knoppix
then chmod it ( chmod 775) i think

u_DR_K13

u_DR_K13
 
change directory - cd
Example:
cd /home/knoppix

to run the program do ./ followed by the program name from the command line. Example:
./foldingprog.exe

Good luck! I think folding requires hdd access which might cause a problem with a live CD... Also, you can't change the permissions on a file on a CD.

-zac
 
Thanks, I'll give it a go. I know this distro has access to the harddisk since I downloaded a file. I mounted the harddisk NTFS deal (had an XP drive in the system)... boy that was interesting.

Also got all messed up with some whine deal... I dunno. I managed to get a node booted off the server so now it's just a matter of making a program work.
 
Well now are you dealing with the server or the client? To get the server to fold-
Assuming folding is called FAH5.02-Linux.exe and its downloaded to the ramdisk in /home/knoppix

cd /home/knoppix
chmod +x FAH5.02-Linux.exe
./FAH5.02-Linux.exe -advmethods -forceasm

To get the client machine to fold, you'll need to use ssh to give yourself shell access to the machine remotely or you'll need to hook up a keyboard/monitor. Basically the commands are the same once you're accessing the client.

Best bet is to make a script to launch folding on the server which runs at boot, and one that runs on clients also when they boot. And setup the server to have an NFS share so that all folding directories are on the server's HDD and dummy clients mount this share to get their folding directories.

Yay fun!


This is why Overclockix_LTSP was created. Its Knoppix only modifed for just such a purpose.
 
What I'm really tring to do is run a cluster- ClusterKnoppix

http://bofh.be/clusterknoppix

Yea, it must be the ram disk I was on. If I make it excutable then I think I can launch it in parallel against the nodes.... in theory.

edit: Ohh, is the "root" terminal (i'm away from this box right now, root something) the same basic thing as a dos promt in windows?
 
root = administrator account

terminal = is a just a way of accessing commands line operations

root terminal = a terminal where you are logged in as root and have full access to the system


As far as clustering goes.... folding can't take advantage of it. It launches multplie processes which cannot be distributed across a (mosix) cluster. Also it is not multi-threaded so it can't really be used effectively on any other style of cluster. However using terminal services and PXE-booting, you can create a "monster folding farm" basically one server has a HDD and supplies folding direcotries and an OS image to machines that don't have HDD's. This cuts down on costs for buidling a massive home folding operation. Still each machine runs its own folding client so its not like you get all of them to work "as one" on a single WU. Also the typical clustering (mosix) as featured on cluster knoppix... it can distribute the inital folding benchmark run when launching a folding client (sends it to the fastest free node) but it still needs to run foldingitself on each node of the cluster individually. Also mosix modified linux kernels do not do SMP well at all, so CPu's with hyperthreading and duallies should not be used in a mosix cluster. As I understand it, mosix works best for automatically distributing many jobs to the nodes in the cluster, more of load balancing, understand?

But if you're not using duallies or P4's then mosix kernels don't matter much and you can still take advantage of the LinuxTerminalServiceProject (LTSP) functions for network booting your dumb terminals (diskless machines). You''ll still want to do some configuring so the server stoeres folding directories and client automatically access the server's network share and begin folding when they boot up....

Fun stuff as I said. But if you want to implement it quickly then Overclockix LTSP or unhappy_mage's mini linux distro are a better way to do it since the hard stuff has already been configured for you. Of course a mosix clustrer that folds could be put to other uses such as rendering animation or doing a lot of video or audio encoding jobs at once...
 
Thanks all for your input. I don't think I'll have time to play with it for another week or two, got 48 gzh coming in the door tomorrow I need to get folding asap, so I'll just do my windows deal again, it works and I know it.

Yea, I'm sure the cluster will not work. But being so blunt headed I'll give it my all anyways when/if I get time. Plus it's one heck of a learning project.
 
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