rexec not working properly

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http://www.unix.com – Hi, I am trying to enable rexec to automate certain tasks(it has to be rexec, not ssh or any other due to the system environment), so after switching to linux, I followed the certain instructions that were laid out in the web. My operating system is fedora 17, so I first installed the rsh-server.i686 package(which includes rexec), enabled it from /etc/xinetd.d/rexec by changing it as the following : # default: off # description: Rexecd is the server for the rexec(3) routine. The server \ # provides remote execution facilities with authentication based \ # on user names and pass (HowTos)