diff --git a/rootf-kernel/Makefile b/rootf-kernel/Makefile
index b5987ea..5e5425f 100644
--- a/rootf-kernel/Makefile
+++ b/rootf-kernel/Makefile
@@ -1,6 +1,22 @@
-.PHONY: get-alpine-rootfs
+.PHONY: use-alpine use-arch use-ubuntu
 
-get-alpine-rootfs: out/alpine-minirootfs-3.19.0-x86_64.tar.gz
 
-out/alpine-minirootfs-3.19.0-x86_64.tar.gz:
-	wget -O $@ https://dl-cdn.alpinelinux.org/alpine/v3.19/releases/x86_64/alpine-minirootfs-3.19.0-x86_64.tar.gz
+use-arch: ../out/arch-rootfs.ext4
+	ln -s $< ../out/rootfs.ext4
+
+use-alpine: ../out/alpine-rootf.ext4
+	ln -s $< ../out/rootfs.ext4
+
+use-ubuntu: ../out/ubuntu-22.04.ext4
+	ln -s $< ../out/rootfs.ext4
+
+
+
+../out/arch-rootfs.ext4:
+	bash ./arch-rootf.sh
+
+../out/alpine-rootf.ext4:
+	bash ./alpine-rootf.sh
+
+../out/ubuntu-22.04.ext4:
+	wget -O $@ https://s3.amazonaws.com/spec.ccfc.min/firecracker-ci/v1.7/$$(uname -m)/ubuntu-22.04.ext4
diff --git a/rootf-kernel/alpine-rootf.sh b/rootf-kernel/alpine-rootf.sh
new file mode 100644
index 0000000..98d3df1
--- /dev/null
+++ b/rootf-kernel/alpine-rootf.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -x
+
+DISK_SIZE=10G
+DISK_FILE=../out/alpine-rootfs.ext4
+DISK_ROOT=../out/mount
+
+# Allocate rootfs disk
+fallocate -l "$DISK_SIZE" "$DISK_FILE"
+mkfs.ext4 $DISK_FILE
+
+# Mount rootfs to mount
+mkdir -p $DISK_ROOT
+
+sudo mount $DISK_FILE $DISK_ROOT
+
+wget -O ../out/alpine-minirootfs-3.19.0-x86_64.tar.gz https://dl-cdn.alpinelinux.org/alpine/v3.19/releases/x86_64/alpine-minirootfs-3.19.0-x86_64.tar.gz
+
+tar xvf ../out/alpine-minirootfs-3.12.0-x86.tar.gz --directory="$DISK_ROOT"
+
+
+sudo umount $DISK_ROOT
+rmdir $DISK_ROOT
diff --git a/rootf-kernel/rootfs.sh b/rootf-kernel/arch-rootfs.sh
similarity index 100%
rename from rootf-kernel/rootfs.sh
rename to rootf-kernel/arch-rootfs.sh