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I've never used Linux, but I have to use it for the thesis.
I want to monitorate the performances of a multiprocessor node, the IT department told me to use:
"watch --interval=1800 "pdsh -w comp[12,34,45] uptime""
but I want to save the information on a file, is it possible?
I was even looking this http://linux.die.net/man/8/md-mx-ctrl.
I am interested in the load of the nodes, since there are three nodes working.
but it is not working. I want it to run even if linux is closed, but as long as I close the window created after I type the command, it doesn't update anymore the file.
Is there a manner to make it working even if linux is closed?
let's say that practically speaking linux is on, it's working, since I am sending some jobs to a computer for making calculations, but I calse the interface for speaking with linux.
The command for updating the file each half an hour is:
if you look at your command you are giving " at the begining of pdsh in your command, it has to be closed before you give redirection to the file or you finish the command .. so please verify your command once again and then run it.