func tailViaSSH(addr circuit.Addr, jailpath string) {
abs := path.Join(config.Config.Install.JailDir(), addr.WorkerID().String(), jailpath)
cmd := exec.Command("ssh", addr.Host(), "tail -f "+abs)
stdout, err := cmd.StdoutPipe()
if err != nil {
println("Pipe problem:", err.Error())
os.Exit(1)
}
if err = cmd.Start(); err != nil {
println("Exec problem:", err.Error())
os.Exit(1)
}
io.Copy(os.Stdout, stdout)
}
