func (sshTransport *SSHTransport) execCmd(session *ssh.Session, cmd string) (*bytes.Buffer, error) {
var b bytes.Buffer
modes := ssh.TerminalModes{
ECHO: 0,
TTY_OP_ISPEED: 14400,
TTY_OP_OSPEED: 14400,
}
if err := session.RequestPty("xterm", 80, 40, modes); err != nil {
log.Fatalf("request for pseudo terminal failed: " + err.Error())
}
session.Stdout = &b
session.Stderr = &b
return &b, session.Run(cmd)
}
