diff --git a/config.yml b/config.yml
index 7df65caf9ec66f0f67e16d7a7f6fc22c3134d377..bb28c6d93dc1207567423404addd2c1301f05c27 100644
--- a/config.yml
+++ b/config.yml
@@ -31,38 +31,54 @@ images:
     - "hw_qemu_guest_agent=yes"
     - "hw_vif_multiqueue_enabled=true"
     - "hw_rng_model=virtio"
-#  fedora28:
-#    name: Fedora 28 - GARR
-#    url: https://download.fedoraproject.org/pub/fedora/linux/releases/28/Cloud/x86_64/images/Fedora-Cloud-Base-28-1.1.x86_64.qcow2
-#    disk_format: qcow2
-#    extraargs:
-#    - "min_disk=5"
-#    - "min_ram=1024"
-#    tags:
-#    - "os_distro=fedora"
-#    - "os_type=linux"
-#    - "os_version=28"
-#    - "architecture=x86_64"
-#    - "os_require_quiesce=yes"
-#    - "hw_qemu_guest_agent=yes"
-#    - "hw_vif_multiqueue_enabled=true"
-#    - "hw_rng_model=virtio"
-#  fedora29:
-#    name: Fedora 29 - GARR
-#    url: https://download.fedoraproject.org/pub/fedora/linux/releases/29/Cloud/x86_64/images/Fedora-Cloud-Base-29-1.2.x86_64.qcow2
-#    disk_format: qcow2
-#    extraargs:
-#    - "min_disk=5"
-#    - "min_ram=1024"
-#    tags:
-#    - "os_distro=fedora"
-#    - "os_type=linux"
-#    - "os_version=29"
-#    - "architecture=x86_64"
-#    - "os_require_quiesce=yes"
-#    - "hw_qemu_guest_agent=yes"
-#    - "hw_vif_multiqueue_enabled=true"
-#    - "hw_rng_model=virtio"
+  debian11:
+    name: Debian 11 - GARR
+    url: https://cdimage.debian.org/images/cloud/bullseye/latest/debian-11-generic-amd64.qcow2
+    disk_format: qcow2
+    extraargs:
+    - "min_disk=5"
+    - "min_ram=1024"
+    tags:
+    - "os_distro=debian"
+    - "os_type=linux"
+    - "os_version=11"
+    - "architecture=amd64"
+    - "os_require_quiesce=yes"
+    - "hw_qemu_guest_agent=yes"
+    - "hw_vif_multiqueue_enabled=true"
+    - "hw_rng_model=virtio"
+  # fedora28:
+  #   name: Fedora 28 - GARR
+  #   url: https://download.fedoraproject.org/pub/fedora/linux/releases/28/Cloud/x86_64/images/Fedora-Cloud-Base-28-1.1.x86_64.qcow2
+  #   disk_format: qcow2
+  #   extraargs:
+  #   - "min_disk=5"
+  #   - "min_ram=1024"
+  #   tags:
+  #   - "os_distro=fedora"
+  #   - "os_type=linux"
+  #   - "os_version=28"
+  #   - "architecture=x86_64"
+  #   - "os_require_quiesce=yes"
+  #   - "hw_qemu_guest_agent=yes"
+  #   - "hw_vif_multiqueue_enabled=true"
+  #   - "hw_rng_model=virtio"
+  # fedora29:
+  #   name: Fedora 29 - GARR
+  #   url: https://download.fedoraproject.org/pub/fedora/linux/releases/29/Cloud/x86_64/images/Fedora-Cloud-Base-29-1.2.x86_64.qcow2
+  #   disk_format: qcow2
+  #   extraargs:
+  #   - "min_disk=5"
+  #   - "min_ram=1024"
+  #   tags:
+  #   - "os_distro=fedora"
+  #   - "os_type=linux"
+  #   - "os_version=29"
+  #   - "architecture=x86_64"
+  #   - "os_require_quiesce=yes"
+  #   - "hw_qemu_guest_agent=yes"
+  #   - "hw_vif_multiqueue_enabled=true"
+  #   - "hw_rng_model=virtio"
   fedora30:
     name: Fedora 30 - GARR
     url: https://download.fedoraproject.org/pub/fedora/linux/releases/30/Cloud/x86_64/images/Fedora-Cloud-Base-30-1.2.x86_64.qcow2
@@ -125,12 +141,12 @@ images:
     - "os_require_quiesce=yes"
     - "hw_qemu_guest_agent=yes"
     - "hw_vif_multiqueue_enabled=true"
-  #ubuntu-12.04:
-  #  name: Ubuntu 12.04 - GARR
-  #  simplestreams: com.ubuntu.cloud:server:12.04:amd64
-  #ubuntu-14.04:
-  # name: Ubuntu 14.04 - GARR
-  # simplestreams: com.ubuntu.cloud:server:14.04:amd64
+  # ubuntu-12.04:
+  #   name: Ubuntu 12.04 - GARR
+  #   simplestreams: com.ubuntu.cloud:server:12.04:amd64
+  # ubuntu-14.04:
+  #   name: Ubuntu 14.04 - GARR
+  #   simplestreams: com.ubuntu.cloud:server:14.04:amd64
   ubuntu-16.04:
     name: Ubuntu 16.04 - GARR
     url: https://cloud-images.ubuntu.com/releases/16.04/release/ubuntu-16.04-server-cloudimg-amd64-disk1.img
@@ -182,4 +198,3 @@ images:
     - "hw_vif_multiqueue_enabled=true"
     - "hw_rng_model=virtio"
     simplestreams: com.ubuntu.cloud:server:20.04:amd64
-