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Hi Paul, We use a combination of yum (to load updated rpms), yumit to advise us on the patch status, and copy of an ssh key in /root/.ssh/authorized_keys. So from my normal login node I have a script called ont2nodes : #!/bin/csh -f echo onall command called with variables $* foreach hst (`cat /usr/local/bin/t2nodes`) echo Command now going to run on $hst ssh root@$hst $* end I can then spot that systems need patching with yumit, check what is required (ie which oatches are missing, again with yumit) and the type ont2nodes yum -y update I'm sure there are many other solutions to this problem but this works for me. Cheers Pete -----Original Message----- From: Testbed Support for GridPP member institutes [mailto:[log in to unmask]] On Behalf Of Paul Kyberd Sent: 21 June 2005 22:51 To: [log in to unmask] Subject: farm admin software I was looking for advice on what system other sites use to distribute updates to the machines at their site. I am not very happy with the operation of the system based on ghosting a machine which has been implemented at Brunel and was interested in finding a better solution. Paul +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + Paul Kyberd Brunel University + + E-mail: [log in to unmask] Department of Electronic and + + Phone: +44-(0)1895-266801 Computer Engineering + + Fax: Uxbridge, Middlesex UB8 3PH + +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++