diff --git a/prepar_qcow_root.md b/prepar_qcow_root.md
index a45b1e8..9713a0d 100644
--- a/prepar_qcow_root.md
+++ b/prepar_qcow_root.md
@@ -17,15 +17,16 @@ export os_file=<os file name>
 export os_dir=<os to download dir>
 export disk_dir=<disk dire file>
 
+mkdir -p "${os_dir}"
 cd "${os_dir}"
 mkdir -p /opt/seed/${os}
 
-cat <<<ENDFILE > /opt/seed/${os}/meta-data
+cat << ENDFILE > /opt/seed/${os}/meta-data
 instance-id: iid-local01
 local-hostname: my-vm-01
 ENDFILE
 
-cat <<<ENDFILE > /opt/seed/${os}/network-config
+cat << ENDFILE > /opt/seed/${os}/network-config
 version: 2
 renderer: networkd
 ethernets:
@@ -33,7 +34,7 @@ ethernets:
     dhcp4: true
 ENDFILE
 
-cat <<<ENDFILE > /opt/seed/${os}/user-data
+cat << ENDFILE > /opt/seed/${os}/user-data
 #cloud-config
 users:
   - name: nicolas
@@ -61,7 +62,6 @@ qemu-system-x86_64 \
     -monitor unix:/tmp/vm-build.mon-sock,server,nowait \
     -drive file=/opt/seed/${os}_seed.iso,media=cdrom,if=ide \
     -drive file=${disk_dir}/${os}-tmp.qcow2,format=qcow2,if=virtio \
-    -drive file=${disk_dir}/tmp.qcow2,format=qcow2,if=virtio \
     -device virtio-scsi-pci,id=scsi0 \
     \
     -drive file=${disk_dir}/${os}-root.qcow2,if=none,id=hd0 \
@@ -117,13 +117,13 @@ set /files/etc/ssh/sshd_config/Match[1]/Condition/User "root,centos,ubuntu,debia
 set /files/etc/ssh/sshd_config/Match[1]/Settings/Banner "/etc/banner"
 EOF
 
-cat <<<ENDFILE > /mnt/etc/cloud/cloud.cfg.d/20_user.cfg
+cat << ENDFILE > /mnt/etc/cloud/cloud.cfg.d/20_user.cfg
 system_info:
   default_user:
     name: syonad
 ENDFILE
 
-cat <<<ENDFILE > /mnt/etc/cloud/cloud.cfg.d/99_metadata.cfg
+cat << ENDFILE > /mnt/etc/cloud/cloud.cfg.d/99_metadata.cfg
 datasource_list: [ NoCloud ]
 datasource:
   NoCloud: