$hostname = 'elvis'; # host to check
$timeout = 10; # how long to wait for a response
print "elvis is alive\n" if pingecho($hostname, $timeout);
uses a TCP echo (not an ICMP one) to determine whether
a remote host is reachable. This is usually adequate to tell whether a remote
host is available to
The parameters for
The remote host to check, specified either as a hostname or as an IP address.
The timeout in seconds. If not specified it will default to 5 seconds.
to implement the timeout, so don't set
another alarm while you are using it.