diff --git a/build.sh b/build.sh
index 75d8fe7..3eeb807 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,10 @@
 #!/bin/bash
+
+if [ "$EUID" = 0 ]
+then echo "Please don't run this as root"
+    exit
+fi
+
 #  2> /dev/null veut dire que l'on veut pas voire les erreurs
 sudo umount rootfs/proc -R 2> /dev/null
 sudo rm -rf rootfs/ 2> /dev/null
@@ -9,7 +15,8 @@ mkdir -p rootfs/boot
 mkdir -p rootfs/chibrax
 
 #installation de grub
-sudo pacstrap rootfs coreutils grub sed
+# coreutils = cat
+sudo pacstrap rootfs coreutils grub sed || exit 1
 
 echo "construction de Nodejs"
 chmod +x ./nodejs/build.sh
@@ -27,7 +34,7 @@ echo "Cloning the firmware"
 # on masque les erreurs si le depot est deja clone
 git clone https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git 2> /dev/null
 cd linux-firmware && git pull && cd -
-sudo mkdir -p rootfs/usr/lib/firmware
+sudo mkdir -p rootfs/usr/lib/firmware || exit 1
 sudo cp linux-firmware/* rootfs/usr/lib/firmware/ -r || exit 1
 echo "done"
 
@@ -37,4 +44,12 @@ echo "done"
 
 sudo cp rootfs\ overrides/* rootfs/ -r || exit 1
 
-sudo rm rootfs/var/cache -rf
\ No newline at end of file
+sudo rm rootfs/var/cache -r
+
+echo "removing arch's grub hooks"
+sudo rm rootfs/etc/grub.d/10_linux
+sudo rm rootfs/etc/grub.d/20_linux_xen
+sudo rm rootfs/etc/grub.d/30_os-prober
+sudo rm rootfs/etc/grub.d/41_custom
+#celui sert a rien tant qu'on ne supporte pas l'uefi
+sudo rm rootfs/etc/grub.d/30_uefi-firmware
\ No newline at end of file
diff --git a/createLiveImage.sh b/createLiveImage.sh
index 207705a..39c4cdc 100755
--- a/createLiveImage.sh
+++ b/createLiveImage.sh
@@ -41,15 +41,21 @@ echo "coping rootfs"
 cp rootfs/* $CHIBRAX_MOUNT_POINT -r
 echo "done"
 
-echo "removing arch's grub hooks"
-rm rootfs/etc/grub.d/10_linux
-rm rootfs/etc/grub.d/20_linux_xen
-#celui sert a rien tant qu'on ne supporte pas l'uefi
-rm rootfs/etc/grub.d/30_uefi-firmware
-
 echo "installing grub"
-arch-chroot $CHIBRAX_MOUNT_POINT grub-install --target=i386-pc ${LOOP_ROOT} --modules=part_msdos
-arch-chroot $CHIBRAX_MOUNT_POINT grub-mkconfig -o /boot/grub/grub.cfg
+mount --rbind /dev /mnt/mychroot/dev
+mount --make-rslave /mnt/mychroot/dev
+mount -t proc /proc /mnt/mychroot/proc
+mount --rbind /sys /mnt/mychroot/sys
+mount --make-rslave /mnt/mychroot/sys
+mount --rbind /tmp /mnt/mychroot/tmp
+
+chroot $CHIBRAX_MOUNT_POINT grub-install --target=i386-pc ${LOOP_ROOT} --modules=part_msdos
+chroot $CHIBRAX_MOUNT_POINT grub-mkconfig -o /boot/grub/grub.cfg
+
+umount /mnt/mychroot/dev
+umount /mnt/mychroot/proc
+umount /mnt/mychroot/sys
+umount /mnt/mychroot/tmp
 
 PARTUUID=$(lsblk $LOOP --fs | awk '{print $4}' | grep -v LABEL)
 
diff --git a/nodejs/build.sh b/nodejs/build.sh
index 74dca00..aee8437 100755
--- a/nodejs/build.sh
+++ b/nodejs/build.sh
@@ -7,10 +7,11 @@ fi
 
 VERSION=17.1.0
 
-if [ ! -f src ]
+if [ ! -f src/node-$VERSION/Makefile ]
 then
 mkdir src -p
 cd src
+echo "clonning"
 curl https://github.com/nodejs/node/archive/refs/tags/v$VERSION.zip -L --output $VERSION.zip || exit 1
 unzip $VERSION.zip || exit 1
 cd -