diff --git a/Makefile b/Makefile
index ac815df..0353909 100644
--- a/Makefile
+++ b/Makefile
@@ -92,6 +92,8 @@ clean:
 	@$(call rm,./_build/)
 	@$(call rm,./_output/)
 	@$(call rm,./_install/)
+	@$(call rm,./samples/_build/)
+	@$(call rm,./samples/_output/)
 	@$(MAKE) cleanlog
 
 cleanall: clean
diff --git a/scripts/init.sh b/scripts/init.sh
index 9a77142..a61136d 100755
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -18,7 +18,11 @@ fi
 _detect curl
 _detect $PYTHON
 
-if [ "$HOST_OS" = "Mac" ]; then
+if [ "$HOST_OS" = "Linux" ]; then
+  _detect_install() {
+    dpkg -s "$1" > /dev/null
+  }
+elif [ "$HOST_OS" = "Mac" ]; then
   _detect_install() {
     brew ls --versions "$1" > /dev/null
   }
@@ -58,6 +62,7 @@ if [ "$HOST_OS" = "Linux" ]; then
   _detect apt-get
   # apt-get install
   _install_deps "sudo apt-get install" build-essential cmake git clang-format
+  _install_deps "sudo apt-get install" libv4l-dev
   # sudo
   SUDO="sudo"
 elif [ "$HOST_OS" = "Mac" ]; then