Peter <p.elmers@xxxxxx> 2008-02-29 15:05: > Hi! > > I am planning to test a service for availability and if the service is not > available anymore, fence the node and start the service on another node. > Therefore, i need a clue how to probe a port with system tools. > Sure, with telnet there is a possibility to check. But i have no idea to > avoid the interactivity. So it is too difficult for me to implement and > usually not allowed in this environment. > > On Solaris, there is the "ping -p" command to test the availability of a > application waiting on a port. But for Redhat, i have no clue. > > Could you please help? nmap -p will test that the port is responding, but not that the application on the other end is actually doing what it's supposed to be. Brian
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