<html> <head> <style></style> </head> <body class='hmmessage'> Thanks for the reply, yes I have tried it with both ip & name with the same results. I assume that the command line check should work as I have written it here correct? /usr/local/nagios/libexec> ./check_by_ssh -H 172.xx.xx.xx -C '/usr/local/nagios/libexec/check_users -w 5 -c 8' -l nagios -2 -4 Remote command execution failed: I do see on the client in /var/log/secure log : sshd[7044]: Accepted publickey for nagios from 172.xx.xx.xx port 42117 ssh2 so this should mean the ssh was successful correct? Steve <hr />The New Busy is not the too busy. Combine all your e-mail accounts with Hotmail. <a href='http://www.windowslive.com/campaign/thenewbusy?tile=multiaccount&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_4' target='_new'>Get busy.</a></body> </html>