Newsgroups: comp.parallel.mpi From: Matt Beare Subject: Re: "Permission denied." error Organization: University of East Anglia Date: Wed, 27 Aug 1997 11:12:04 +0100 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <5u0uhk$1l0@cpca3.uea.ac.uk> Yon Han Chong wrote: > Therefore if you use mpirun as root, "rsh" will produce "Permission > denied" error and will fail to connect to the remote machine at all. > The root has too much power to let remotely login, I guess. You can give root permission to 'rsh' in the same way as for general users. Create a '.rhosts' file in '/' directory on each machine you wish to 'rsh' to, in the form: machine1 root machine2 root machine3 root I'm not sure how safe/secure this is considered to be though. Matt. ------------------------------------------------------------------------ Matthew Beare | Email: M.Beare@uea.ac.uk School of Mathematics | Tel: +44 (0)1603 592990 University of East Anglia | Fax: +44 (0)1603 259515 Norwich NR4 7TJ England | http://www.mth.uea.ac.uk/people/mib.html ------------------------------------------------------------------------