diff --git a/heartbeatd/run.heartbeat b/heartbeatd/run.heartbeat
index 3e4f37e..f7704d8 100755
--- a/heartbeatd/run.heartbeat
+++ b/heartbeatd/run.heartbeat
@@ -4,6 +4,6 @@
 # No problem, traceroute can send a UDP packet too.
 while true; do
     # Apparently traceroute adds 1 to the base port (-p)
-    traceroute -m 2 -q 1 -p 8 10.0.0.1
+    traceroute -m 2 -q 1 -p 8 10.0.0.1 2>/dev/null >/dev/null
     sleep 10
 done
diff --git a/tanks/Makefile b/tanks/Makefile
index 26715cd..1310b71 100644
--- a/tanks/Makefile
+++ b/tanks/Makefile
@@ -24,12 +24,14 @@ target:
 	$(INSTALL) -d target/usr/lib/www/tanks/
 	$(INSTALL) www/* target/usr/lib/www/tanks/
 
+	ln -s /var/lib/tanks target/usr/lib/www/tanks/results
+
 	$(INSTALL) -d target/usr/lib/python2.6/site-packages/tanks/
 	$(INSTALL) lib/* target/usr/lib/python2.6/site-packages/tanks/
 
 	$(INSTALL) -d target/var/service/tanks
 	$(INSTALL) run run_tanks.py target/var/service/tanks/
-	
+
 	$(INSTALL) -d target/var/service/tanks/log/
 	$(INSTALL) log.run target/var/service/tanks/log/run
 
diff --git a/tanks/run b/tanks/run
index 25540a2..5a5b932 100755
--- a/tanks/run
+++ b/tanks/run
@@ -2,7 +2,5 @@
 
 [ -f /var/lib/ctf/disabled/tanks ] && exit 0
 
-ln -s /var/lib/tanks /usr/lib/www/tanks/results
-
-exec envuidgid ctf python2.6 run_tanks.py /var/lib/tanks/ easy 100  2>&1 &
+exec envuidgid ctf python2.6 run_tanks.py /var/lib/tanks/ easy 100 2>&1
 #envuidgid ctf report_score.py 2>&1
diff --git a/tanks/run_tanks.py b/tanks/run_tanks.py
old mode 100644
new mode 100755
index 47b31ed..11c792a
--- a/tanks/run_tanks.py
+++ b/tanks/run_tanks.py
@@ -1,22 +1,25 @@
+#! /usr/bin/python
+
 import time
+import optparse
 from tanks import Pflanzarr
-import sys
 
 T = 60*5
 
+parser = optparse.OptionParser('DATA_DIR easy|medium|hard MAX_TURNS')
+opts, args = parser.parse_args()
+if (len(args) != 3) or (args[1] not in ('easy', 'medium', 'hard')):
+    parser.error('Wrong number of arguments')
 try:
-    while 1:
-        start = time.time()
-        p = Pflanzarr.Pflanzarr(sys.argv[1], sys.argv[2])
-        p.run(int(sys.argv[3]))
-        
-        diff = time.time() - start
-        if diff - T > 0:
-            time.sleep( diff - T )
-
+    turns = int(args[2])
 except:
-    import traceback
-    traceback.print_exc()
-    print 'Usage: python2.6 run_tanks.py data_dir easy|medium|hard max_turns'
+    parser.error('Invalid number of turns')
 
-    
+while True:
+    start = time.time()
+    p = Pflanzarr.Pflanzarr(args[0], args[1])
+    p.run(turns)
+
+    diff = time.time() - start
+    if diff - T > 0:
+        time.sleep( diff - T )