UCSB Computer Science 140 Winter 2007 Google Group

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Re: I can't log into the cluster still...

nishabo...@gmail.com (Nisha) — Thu, 22 Mar 2007 16:39:04 UT

This is what i'm getting:
-bash-3.00$ ssh nishabo...@head.cs.ucsb.edu
ssh: connect to host head.cs.ucsb.edu port 22: Connection timed out
and i've been doing this for a while...

I can't log into the cluster still...

nishabo...@gmail.com (Nisha) — Thu, 22 Mar 2007 16:34:51 UT

I've been trying to log into the cluster and it's still taking a
while. I tried logging into CSIL and then into the cluster and I
guess it's not logging in because login screen hasn't come up. Am I
doing something wrong?

Fwd: [COMS #20962] Fwd: [CS 140] Re: CS Cluster Down?

gilb...@cs.ucsb.edu (John Gilbert) — Thu, 22 Mar 2007 15:59:38 UT

Hi folks,
Looks like the cluster crashed last night because many people were
running jobs on the head node. Don't use the head node to run jobs!
Rather go to another node.
Cheers,
- John
---------- Forwarded message ----------
To: gilb...@cs.ucsb.edu
The following reply has been made regarding CS Support ticket #20962:

Re: [CS 140] Re: CS Cluster Down?

titoaf...@gmail.com (Michael Tozaki) — Thu, 22 Mar 2007 06:59:14 UT

Hm.. and it coincidently went down a bit after I started a parallel sort
on a pretty large input.. :tinfoil:
Hopefully it comes back up so I can at least salvage my code.
On Wed, 21 Mar 2007 21:45:45 -0800, frin...@gmail.com <frin...@gmail.com>
wrote:

cluster down -- final project extension

john.gilb...@gmail.com (John Gilbert) — Thu, 22 Mar 2007 05:52:51 UT

Hi folks,
I don't know why the cluster just went down, but we'll extend the
final project turnin until noon tomorrow (Thu 22 Mar).
Cheers,
- John

Re: CS Cluster Down?

frin...@gmail.com (frinxor@gmail.com) — Thu, 22 Mar 2007 05:45:45 UT

Yep definately down

The csil cluster is down

ashy...@umail.ucsb.edu (Ashkan Eshghi) — Thu, 22 Mar 2007 05:43:35 UT

Oh no! We are in trouble since we can't access our program.

Re: [CS 140] CS Cluster Down?

eqdiva2...@yahoo.com (Hime) — Thu, 22 Mar 2007 05:39:39 UT

yea i just got that...
Is anybody else having trouble connecting to the cluster?
Sylvia:~ carl$ ssh head.cs.ucsb.edu -lcjantzen
ssh_exchange_identification: Connection closed by remote host
I was logged into head for a little while but it was incredibly laggy,
then the connection suddenly disappeared.

CS Cluster Down?

carl.jant...@gmail.com (Carl Jantzen) — Thu, 22 Mar 2007 05:35:10 UT

Is anybody else having trouble connecting to the cluster?
Sylvia:~ carl$ ssh head.cs.ucsb.edu -lcjantzen
ssh_exchange_identification: Connection closed by remote host
I was logged into head for a little while but it was incredibly laggy,
then the connection suddenly disappeared.

Turning in the final project

john.gilb...@gmail.com (John Gilbert) — Thu, 22 Mar 2007 00:19:41 UT

Hi folks,
The directory to turn in your project is "final". It's set up so you
can turn in non-text files if you want to include plots, pdfs,etc;
please use a format you're sure we can read (pdf, word, excel, jpg,
etc.)
You don't have to turn in hard copy, and I prefer online. If there's
something you want to turn in hardcopy that you can't do online, turn

Re: [CS 140] validate3.h

veljkovel...@gmail.com (Veljko Pejovic) — Wed, 21 Mar 2007 20:32:10 UT

Pass 1-norm and 2-norm of the calculated solution vector.
I suggest looking at
[link]) ....look under p-norm
e.g. X=[x1,x2]
1-norm = x1+x2
2-norm = sqrt(sqr(x1)+sqr(x2))
Veljko