diff --git a/src/run5-1.sh b/src/run5-1.sh
index 7353cef..36f03ad 100755
--- a/src/run5-1.sh
+++ b/src/run5-1.sh
@@ -3,12 +3,14 @@
 javac -encoding UTF-8 j5/*.java 
 
 echo "rmiregistry"
-# rmiregistry &
+killall rmiregistry
+
+rmiregistry &
 
 sleep 1
 
 echo "run ClockServer"
-java j4/ClockServer
+java j5/PiServer
 
 
 # java j4/MyFTP 127.0.0.1
diff --git a/src/run6-1.sh b/src/run6-1.sh
new file mode 100755
index 0000000..189afe7
--- /dev/null
+++ b/src/run6-1.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+javac -encoding UTF-8 j6/*.java 
+
+echo "run ChatServer"
+java j6/ChatServer
+
+
+# java j4/MyFTP 127.0.0.1
+
+#echo "type return to exit"
+#read input_str
+