--- Ping.pingecho(host, timeout=5, service='echo')

    host  TCP ӥserviceФ³
     true ֤ޤping(1) [manual page]
    Ȱۤʤ ICMP ѤʤΤ root ¤ɬפȤʤޤ

    : ǶפʥӥդʤۥȤ¿Τɬ⤳
    ⥸塼뤬ͭѤȤϸ¤ޤ

