System Administration Guide: IP Services

ProcedureHow to Determine if a Remote Host Is Running

  1. Type the following form of the ping command:

    $ ping hostname

    If host hostname is accepting ICMP transmissions, this message is displayed:

    hostname is alive

    This message indicates that hostname responded to the ICMP request. However, if hostname is down or cannot receive the ICMP packets, you receive the following response from the ping command:

    no answer from hostname