diff --git a/post-debootstrap-installer.sh b/post-debootstrap-installer.sh
index 89df4f3..10d76f1 100755
--- a/post-debootstrap-installer.sh
+++ b/post-debootstrap-installer.sh
@@ -13,7 +13,9 @@ echo 'locales locales/locales_to_be_generated multiselect en_US.UTF-8 UTF-8' | d
 apt-get -y install locales
 
 
-# mdadm.conf
+# mdadm
+
+apt-get -y install mdadm
 
 #replace rescue system hostname with real hostname
 mdadm --examine --scan | perl -pe 's/name\=.*?:/name='"$(cat /etc/hostname)"':/' > /etc/mdadm/mdadm.conf
@@ -23,7 +25,7 @@ mdadm --examine --scan | perl -pe 's/name\=.*?:/name='"$(cat /etc/hostname)"':/'
 
 apt-get -y install linux-image-amd64 grub-pc
 
-update-initramfs -k all
+update-initramfs -c -k all
 
 update-grub
 grub-install /dev/sda
@@ -48,3 +50,5 @@ apt-get -y install docker-ce
 apt-get -y install \
     systemd \
     dropbear \
+    btrfs-utils \
+    cryptsetup
diff --git a/setup.sh b/setup.sh
index 0f8eea5..3e76218 100755
--- a/setup.sh
+++ b/setup.sh
@@ -39,7 +39,7 @@ mount -t proc none "$chroot/proc"
 mount -t sysfs none "$chroot/sys"
 mount -o bind /dev "$chroot/dev"
 
-cd configs
+cd config
 cp -a * "$chroot"
 cd ..