diff --git a/Dockerfile b/Dockerfile
index 21299df..d7234ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,6 +31,7 @@
 
 RUN groupadd --gid 1000 hadoop
 RUN useradd --uid 1000 hadoop --gid 100 --home /opt/hadoop
+RUN chmod 755 /opt/hadoop
 RUN echo "hadoop ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 RUN chown hadoop /opt
 ADD scripts /opt/
diff --git a/scripts/starter.sh b/scripts/starter.sh
index 1328607..6b5bbe2 100755
--- a/scripts/starter.sh
+++ b/scripts/starter.sh
@@ -96,9 +96,6 @@
     sed "s/SERVER/$KERBEROS_SERVER/g" "$DIR"/krb5.conf | sudo tee /etc/krb5.conf
 fi
 
-#To avoid docker volume permission problems
-sudo chmod o+rwx /data
-
 "$DIR"/envtoconf.py --destination "${HADOOP_CONF_DIR:-/opt/hadoop/etc/hadoop}"
 
 if [ -n "$ENSURE_NAMENODE_DIR" ]; then
@@ -139,7 +136,7 @@
   export PATH=$PATH:$BYTEMAN_DIR/bin
 
   if [ ! -z "$BYTEMAN_SCRIPT_URL" ]; then
-    sudo wget $BYTEMAN_SCRIPT_URL -O /tmp/byteman.btm
+    wget $BYTEMAN_SCRIPT_URL -O /tmp/byteman.btm
     export BYTEMAN_SCRIPT=/tmp/byteman.btm
   fi