Guy Tel-Zur's Blog

cd to: /home/condor/MonaLisa/Service/CMD then type: [condor@grid4 CMD]$ ./MLD start Password: Starting UPDATE ..........OK Trying to start MonaLisa.Please wait...STARTED [ PID == 4427 ] or better, as root: Usage: /etc/rc.d/init.d/MLD [start|stop|restart] Then enjoy the plot from the client:

We wanted to do some benchmarks about file transfers between Israel and Singapore. Here is my way to create a big file, using Octave (Matlab should work as well): -bash-2.05b$ cat ./big.m mat=ones(1,1000*1024*1024/8); size(mat) save -binary OneGig.dat mat # here are a few examples: -bash-2.05b$ ls -l -rw-r--r-- 1 tel-zur tel-zur 1000M Jun 23 18:19 OneGig.dat You are welcome to try, but hey! Give me a credit ok ? :) Here is an update to this post (Nov.16,2006): The method above can be called the " Physicist Way ", Now I will describe the " Computer Geek Way ", which is much more elegant of course: dd if=/dev/zero of=one_gig_file bs=1M count=1000 That's it!

The 3rd IGT HPC work group meeting will take place on Wednesday, June 21, 15:00-17:00 For further details click on the link or visit the IGT web site then click on "Next IGT Events"

Using VPN I can now do lots of things as if I am connected from inside the campus: Bingo! I am connected and able to submit Condor jobs from the departmental terminal server and of course browes magazines from the university library.

The DDT is now installed on the grid nodes and works fine! Here is a screenshot of my first test run: This test was performed using OpenMPI v1.0.2.

Ganglia is now installed on my Linux nodes at home. You can see it live by visiting my website tel-zur.org . A screenshot is on the left. In two of the nodes (FC 5 and Scientific Linux) installing the gmond rpm was enough, but on the 3rd node (SuSE10) I had to compile the source.

Follow these steps: 1) ~ mkdir .ssh 2) cd .ssh 3) ssh-keygen -t dsa % no passphrase, just press twice 4) cat id_dsa.pub >> authorized_keys2 5) Repeat step #4 for all the public keys of the desired nodes. 6) chmod 600 ./authorized_keys2 * Enjoy