diff --git a/admin/main.go b/admin/main.go
index a220e40..d1819b3 100644
--- a/admin/main.go
+++ b/admin/main.go
@@ -5,6 +5,8 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strconv"
+	"time"
 )
 
 type CommandFunc func(tbm *TBM, args []string) error
@@ -23,9 +25,11 @@ var (
 		"rmdir": cmd_rmdir,
 		"date": cmd_date,
 		"set-date": cmd_set_date,
+		"sync-time" : cmd_sync_time,
 		"time": cmd_time,
 		"write": cmd_write,
 		"append": cmd_append,
+		"buzzer": cmd_buzzer,
 	}
 )
 
@@ -82,6 +86,11 @@ func cmd_time(tbm *TBM, args []string) error {
 	return cmd_generic(tbm, "time", args, nil)
 }
 
+func cmd_sync_time(tbm *TBM, args []string) error {
+	return cmd_generic(tbm, "set-time", []string{strconv.FormatInt(
+		time.Now().Unix(), 10)}, nil)
+}
+
 func cmd_write(tbm *TBM, args []string) error {
 	f, _ := os.Open(args[0])
 	defer f.Close()
@@ -127,6 +136,10 @@ func cmd_append(tbm *TBM, args []string) error {
 	}
 }
 
+func cmd_buzzer(tbm *TBM, args []string) error {
+	cmd_generic(tbm, "buzzer", args, nil)
+}
+
 func main() {
 	flag.Parse()