Cassandra remote jconsole through SSH

.bashrc

function jc {
    host=$1
    proxy_host="$1 -p 22"

    # Find just the hostname (if specified as user@host):
    host=`echo $host | sed 's/.*@//'`

    jmxport=7199
    proxy_port=${2:-8123}

    if [ "x$host" = "x" ]; then
        echo "Usage: jc [<user>@]<remote server> [proxy port]"
        return 1
    fi 

    # start up a background ssh tunnel on the desired port
    ssh -N -f -D$proxy_port $proxy_host 

    # if the tunnel failed to come up, fail gracefully.
    if [ $? -ne 0 ]; then
        echo "Ssh tunnel failed"
        return 1
    fi

    ssh_pid=`ps awwwx | grep "[s]sh -N -f -D$proxy_port" \
        | awk '{print $1}'`
    echo "ssh pid = $ssh_pid"

    # Fire up jconsole to your remote host
    jconsole -J-DsocksProxyHost=localhost -J-DsocksProxyPort=$proxy_port \
        service:jmx:rmi:///jndi/rmi://${host}:${jmxport}/jmxrmi

    # tear down the tunnel
    kill $ssh_pid
}