correct writer

TCPClient.go

@@ -188,7 +188,7 @@ func (c *TCPClient) ReadLine() {
 				if strings.Contains(messageString, "Hello") || strings.Contains(messageString, "Welcome") {
 					go c.SetFilters()
 					if Cfg.Cluster.Command != "" {
-						c.WriteString(Cfg.Cluster.Command + "\n\r")
+						c.Write([]byte(Cfg.Cluster.Command + "\n\r"))
 						Log.Debugf("Sending Command: %s", Cfg.Cluster.Command)
 					}
 				}
@@ -213,18 +213,10 @@ func (c *TCPClient) ReadLine() {
 // Write sends raw data to remove telnet server
 func (tc *TCPClient) Write(data []byte) (n int, err error) {
 	n, err = tc.Writer.Write(data)
-	if err == nil {
+	if err != nil {
+		Log.Errorf("Error while sending command to telnet client: %s", err)
+	} else {
 		err = tc.Writer.Flush()
 	}
-
-	return
-}
-
-func (tc *TCPClient) WriteString(data string) (n int, err error) {
-	n, err = tc.Writer.Write([]byte(data))
-	if err == nil {
-		err = tc.Writer.Flush()
-	}
-
 	return
 }