diff --git a/tools/install.sh b/tools/install.sh
index d33ced7..1b28365 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -12,15 +12,19 @@
 
 set -e
 
-if [ "$UID" != "0" ]; then CMD_PREFIX="sudo"; else CMD_PREFIX=""; fi
+if [ -d /proc/vz ] && [ ! -d /proc/vz/beancounter ]; then
+	apt-get -yq install curl dialog git nano zsh
+else
+	if [ "$UID" != "0" ]; then CMD_PREFIX="sudo"; else CMD_PREFIX=""; fi
 
-if [ "$SHELL" != "$(which zsh)" ]; then
-	echo "$(which zsh)"
-	$CMD_PREFIX echo "enter pass...."
+	if [ "$SHELL" != "$(which zsh)" ]; then
+		echo "$(which zsh)"
+		$CMD_PREFIX echo "enter pass...."
 
-	echo "ok"
+		echo "ok"
 
-	$CMD_PREFIX apt-get -yq install curl dialog git nano zsh
+		$CMD_PREFIX apt-get -yq install curl dialog git nano zsh
+	fi
 fi
 
 if [ "1" == "2" ]; then