diff --git a/cassandra-connector/pom.xml b/cassandra-connector/pom.xml
index fcfed54..9a2ce1e 100644
--- a/cassandra-connector/pom.xml
+++ b/cassandra-connector/pom.xml
@@ -215,16 +215,22 @@
                                 <section>devel</section>
                             </deb>
 
+                            <excludeDirectoryAttributes>
+                                <dir>/etc</dir>
+                                <dir>/etc/init.d</dir>
+                                <dir>/etc/default</dir>
+                                <dir>/var</dir>
+                                <dir>/opt</dir>
+                                <dir>/usr</dir>
+                                <dir>/bin</dir>
+                            </excludeDirectoryAttributes>
+                            
                             <!--  Default values for files and directories. -->
                             <defaults>
                                 <directoryAttributes>
-                                    <user>stratio</user>
-                                    <group>stratio</group>
                                     <mode>0755</mode>
                                 </directoryAttributes>
                                 <fileAttributes>
-                                    <user>stratio</user>
-                                    <group>stratio</group>
                                     <mode>0644</mode>
                                 </fileAttributes>
                             </defaults>
diff --git a/cassandra-connector/src/main/unix/scripts/post b/cassandra-connector/src/main/unix/scripts/post
index 17ae462..ca21ce9 100644
--- a/cassandra-connector/src/main/unix/scripts/post
+++ b/cassandra-connector/src/main/unix/scripts/post
@@ -38,7 +38,7 @@ chmod -R 775 $DIR_INSTALL
 chmod 775 $DIR_LOG
 
 
-rm /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
+rm -f /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
 mv /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra* /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
 
 chmod 755 /etc/init.d/connector_cassandra
diff --git a/cassandra-connector/src/main/unix/scripts/postinst b/cassandra-connector/src/main/unix/scripts/postinst
index 576eb93..a75cdc3 100644
--- a/cassandra-connector/src/main/unix/scripts/postinst
+++ b/cassandra-connector/src/main/unix/scripts/postinst
@@ -11,7 +11,7 @@ DIR_CONF='/etc/sds/connectors/cassandra'
 DIR_CONF='/etc/sds/connectors/cassandra'
 DIR_LOG='/var/log/sds/connectors/cassandra'
 
-rm /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
+rm -f /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
 mv /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra* /opt/sds/connectors/cassandra/bin/stratio-connector-cassandra
 
 chmod 755 /etc/init.d/connector_cassandra