diff --git a/files/apts/n-cpu b/files/apts/n-cpu
index ef281cad0e..88e0144079 100644
--- a/files/apts/n-cpu
+++ b/files/apts/n-cpu
@@ -2,7 +2,7 @@
 nbd-client
 lvm2
 open-iscsi
-open-iscsi-utils
+open-iscsi-utils # Deprecated since quantal dist:lucid,oneiric,precise
 genisoimage
 sysfsutils
 sg3-utils
diff --git a/functions b/functions
index 02c2b3a9c3..0b2710ca77 100644
--- a/functions
+++ b/functions
@@ -380,6 +380,12 @@ GetOSVersion() {
             os_VENDOR=""
         done
         os_PACKAGE="rpm"
+    # If lsb_release is not installed, we should be able to detect Debian OS
+    elif [[ -f /etc/debian_version ]] && [[ $(cat /proc/version) =~ "Debian" ]]; then
+        os_VENDOR="Debian"
+        os_PACKAGE="deb"
+        os_CODENAME=$(awk '/VERSION=/' /etc/os-release | sed 's/VERSION=//' | sed -r 's/\"|\(|\)//g' | awk '{print $2}')
+        os_RELEASE=$(awk '/VERSION_ID=/' /etc/os-release | sed 's/VERSION_ID=//' | sed 's/\"//g')
     fi
     export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME
 }
@@ -425,8 +431,8 @@ function git_update_remote_branch() {
 # Sets ``DISTRO`` from the ``os_*`` values
 function GetDistro() {
     GetOSVersion
-    if [[ "$os_VENDOR" =~ (Ubuntu) ]]; then
-        # 'Everyone' refers to Ubuntu releases by the code name adjective
+    if [[ "$os_VENDOR" =~ (Ubuntu) || "$os_VENDOR" =~ (Debian) ]]; then
+        # 'Everyone' refers to Ubuntu / Debian releases by the code name adjective
         DISTRO=$os_CODENAME
     elif [[ "$os_VENDOR" =~ (Fedora) ]]; then
         # For Fedora, just use 'f' and the release
@@ -459,11 +465,9 @@ function is_ubuntu {
     if [[ -z "$os_PACKAGE" ]]; then
         GetOSVersion
     fi
-
     [ "$os_PACKAGE" = "deb" ]
 }
 
-
 # Determine if current distribution is a Fedora-based distribution
 # (Fedora, RHEL, CentOS).
 # is_fedora
diff --git a/lib/baremetal b/lib/baremetal
index 8658c3aa17..bed3c093c3 100644
--- a/lib/baremetal
+++ b/lib/baremetal
@@ -204,7 +204,7 @@ function configure_baremetal_nova_dirs() {
     sudo mkdir -p /tftpboot
     sudo mkdir -p /tftpboot/pxelinux.cfg
     sudo cp /usr/lib/syslinux/pxelinux.0 /tftpboot/
-    sudo chown -R $STACK_USER:libvirtd /tftpboot
+    sudo chown -R $STACK_USER:$LIBVIRT_GROUP /tftpboot
 
     # ensure $NOVA_STATE_PATH/baremetal is prepared
     sudo mkdir -p $NOVA_STATE_PATH/baremetal
diff --git a/lib/ceilometer b/lib/ceilometer
index 6b110cbb0c..1c289fd471 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -125,7 +125,7 @@ function install_ceilometerclient() {
 
 # start_ceilometer() - Start running processes, including screen
 function start_ceilometer() {
-    screen_it ceilometer-acompute "cd $CEILOMETER_DIR && sg libvirtd \"$CEILOMETER_BIN_DIR/ceilometer-agent-compute --config-file $CEILOMETER_CONF\""
+    screen_it ceilometer-acompute "cd $CEILOMETER_DIR && sg $LIBVIRT_GROUP \"$CEILOMETER_BIN_DIR/ceilometer-agent-compute --config-file $CEILOMETER_CONF\""
     screen_it ceilometer-acentral "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-agent-central --config-file $CEILOMETER_CONF"
     screen_it ceilometer-collector "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-collector --config-file $CEILOMETER_CONF"
     screen_it ceilometer-api "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-api -d -v --log-dir=$CEILOMETER_API_LOG_DIR --config-file $CEILOMETER_CONF"
diff --git a/lib/nova b/lib/nova
index 3a59681ba6..6fa1db4fdb 100644
--- a/lib/nova
+++ b/lib/nova
@@ -298,14 +298,14 @@ EOF
 
         if is_fedora || is_suse; then
             if is_fedora && [[  $DISTRO =~ (rhel6) || "$os_RELEASE" -le "17" ]]; then
-                sudo bash -c 'cat <<EOF >/etc/polkit-1/localauthority/50-local.d/50-libvirt-remote-access.pkla
+                sudo bash -c "cat <<EOF >/etc/polkit-1/localauthority/50-local.d/50-libvirt-remote-access.pkla
 [libvirt Management Access]
-Identity=unix-group:libvirtd
+Identity=unix-group:$LIBVIRT_GROUP
 Action=org.libvirt.unix.manage
 ResultAny=yes
 ResultInactive=yes
 ResultActive=yes
-EOF'
+EOF"
             elif is_suse && [[ $os_RELEASE = 12.2 || "$os_VENDOR" = "SUSE LINUX" ]]; then
                 # openSUSE < 12.3 or SLE
                 # Work around the fact that polkit-default-privs overrules pklas
@@ -338,10 +338,10 @@ EOF"
 
         # The user that nova runs as needs to be member of **libvirtd** group otherwise
         # nova-compute will be unable to use libvirt.
-        if ! getent group libvirtd >/dev/null; then
-            sudo groupadd libvirtd
+        if ! getent group $LIBVIRT_GROUP >/dev/null; then
+            sudo groupadd $LIBVIRT_GROUP
         fi
-        add_user_to_group $STACK_USER libvirtd
+        add_user_to_group $STACK_USER $LIBVIRT_GROUP
 
         # libvirt detects various settings on startup, as we potentially changed
         # the system configuration (modules, filesystems), we need to restart
@@ -648,11 +648,11 @@ function start_nova_api() {
 
 # start_nova() - Start running processes, including screen
 function start_nova() {
-    # The group **libvirtd** is added to the current user in this script.
-    # Use 'sg' to execute nova-compute as a member of the **libvirtd** group.
+    # The group **$LIBVIRT_GROUP** is added to the current user in this script.
+    # Use 'sg' to execute nova-compute as a member of the **$LIBVIRT_GROUP** group.
     # ``screen_it`` checks ``is_service_enabled``, it is not needed here
     screen_it n-cond "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-conductor"
-    screen_it n-cpu "cd $NOVA_DIR && sg libvirtd $NOVA_BIN_DIR/nova-compute"
+    screen_it n-cpu "cd $NOVA_DIR && sg $LIBVIRT_GROUP $NOVA_BIN_DIR/nova-compute"
     screen_it n-crt "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cert"
     screen_it n-net "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-network"
     screen_it n-sch "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-scheduler"
diff --git a/stack.sh b/stack.sh
index 32a7d747ba..40a068f722 100755
--- a/stack.sh
+++ b/stack.sh
@@ -32,6 +32,15 @@ source $TOP_DIR/functions
 # and ``DISTRO``
 GetDistro
 
+# Some dependencies are not available in Debian Wheezy official
+# repositories. However, it's possible to run OpenStack from gplhost
+# repository.
+if [[ "$os_VENDOR" =~ (Debian) ]]; then
+    echo 'deb http://archive.gplhost.com/debian grizzly main' | sudo tee /etc/apt/sources.list.d/gplhost_wheezy-backports.list
+    echo 'deb http://archive.gplhost.com/debian grizzly-backports main' | sudo tee -a /etc/apt/sources.list.d/gplhost_wheezy-backports.list
+    apt_get update
+    apt_get install --force-yes gplhost-archive-keyring
+fi
 
 # Global Settings
 # ===============
@@ -105,7 +114,7 @@ disable_negated_services
 
 # Warn users who aren't on an explicitly supported distro, but allow them to
 # override check and attempt installation with ``FORCE=yes ./stack``
-if [[ ! ${DISTRO} =~ (oneiric|precise|quantal|raring|saucy|f16|f17|f18|opensuse-12.2|rhel6) ]]; then
+if [[ ! ${DISTRO} =~ (oneiric|precise|quantal|raring|saucy|7.0|wheezy|sid|testing|jessie|f16|f17|f18|opensuse-12.2|rhel6) ]]; then
     echo "WARNING: this script has not been tested on $DISTRO"
     if [[ "$FORCE" != "yes" ]]; then
         die $LINENO "If you wish to run this script anyway run with FORCE=yes"
diff --git a/stackrc b/stackrc
index f99eab1852..6d6f7bf19c 100644
--- a/stackrc
+++ b/stackrc
@@ -162,6 +162,11 @@ BM_POSEUR_BRANCH=${BM_POSEUR_BRANCH:-master}
 # also install an **LXC** or **OpenVZ** based system.
 VIRT_DRIVER=${VIRT_DRIVER:-libvirt}
 LIBVIRT_TYPE=${LIBVIRT_TYPE:-kvm}
+if [[ "$os_VENDOR" =~ (Debian) ]]; then
+  LIBVIRT_GROUP=libvirt
+else
+  LIBVIRT_GROUP=libvirtd
+fi
 
 # Specify a comma-separated list of UEC images to download and install into glance.
 # supported urls here are: