diff --git a/oam/install_scripts/post-install b/oam/install_scripts/post-install
index 9df86005c..2a8860528 100755
--- a/oam/install_scripts/post-install
+++ b/oam/install_scripts/post-install
@@ -41,8 +41,8 @@ if [ $installdir != "/usr/local/mariadb/columnstore" ]; then
 	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$installdir/lib
 else
 	# add library config file
-	/bin/cp -f $installdir/bin/columnstore.conf /etc/ld.so.conf.d/.
-	ldconfig
+	/bin/cp -f $installdir/bin/columnstore.conf /etc/ld.so.conf.d/. >/dev/null 2>&1
+	ldconfig >/dev/null 2>&1
 fi
 
 #check 64-bit OS compatiable
diff --git a/oam/install_scripts/post-mysql-install b/oam/install_scripts/post-mysql-install
index 053a5117e..8183ff5fb 100755
--- a/oam/install_scripts/post-mysql-install
+++ b/oam/install_scripts/post-mysql-install
@@ -80,7 +80,7 @@ for arg in "$@"; do
 done
 
 if [ $USER != "root" ]; then
-	sudo ldconfig
+	sudo ldconfig >/dev/null 2>&1
 	export COLUMNSTORE_INSTALL_DIR=$installdir
 	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$COLUMNSTORE_INSTALL_DIR/lib:$COLUMNSTORE_INSTALL_DIR/mysql/lib/mysql
 else