diff --git a/bin/vps b/bin/vps
index 5497390..fefdc05 100755
--- a/bin/vps
+++ b/bin/vps
@@ -495,6 +495,39 @@ mailcow:get_default_backup_host_ident() {
     echo "$dest $ident"
 }
 
+compose:get_url() {
+    local service="$1"
+    (
+        set -o pipefail
+        cat "/var/lib/compose/relations/myc/${service}-frontend/web-proxy/data" |
+            shyaml get-value url
+    ) || {
+        err "Failed querying ${service} to frontend relation to get url."
+        return 1
+    }
+}
+export -f compose:get_url
+
+
+compose:psql() {
+    local dbname="$1"
+    docker exec -i myc_postgres_1 psql -U postgres "$dbname"
+}
+export -f compose:psql
+
+
+cyclos:set_root_url() {
+    local dbname="$1" cyclos_service="$2" url
+
+    url=$(compose:get_url "${cyclos_service}") || return 1
+    echo "UPDATE configurations SET root_url = '$url';" |
+        compose:psql "$dbname" || {
+        err "Failed to set cyclos url value in '$dbname' database."
+        return 1
+    }
+}
+export -f cyclos:set_root_url
+
 
 compose:get_cron_docker_cmd() {
     local cron_line cmd_line docker_cmd
@@ -983,22 +1016,127 @@ cmdline.spec:odoo:cmd:set-cyclos-url:run() {
     dbname=${opt_database:-odoo}
     cyclos_service="${opt_service:-cyclos}"
 
-    URL=$(
-        set -o pipefail
-        cat /var/lib/compose/relations/myc/${cyclos_service}-frontend/web-proxy/data |
-            shyaml get-value url
-       ) || {
-        err "Failed querying ${cyclos_service} to frontend relation to get url."
+    URL=$(compose:get_url "${cyclos_service}") || exit 1
+
+    echo "UPDATE res_company SET cyclos_server_url = '$URL/api' WHERE id=1;" |
+        compose:psql "$dbname"  || {
+        err "Failed to set cyclos url value in '$dbname' database."
         exit 1
     }
 
-    echo "UPDATE res_company SET cyclos_server_url = '$URL' WHERE id=1;" |
-        docker exec -i myc_postgres_1 psql -U postgres "$dbname"  || {
-        err "Failed to set cyclos url value in '$dbname' database."
+}
+
+
+cmdline.spec.gnu cyclos
+
+cmdline.spec::cmd:cyclos:run() {
+    :
+}
+
+
+cmdline.spec:cyclos:cmd:dump:run() {
+
+    : :posarg: DUMP_GZFILE        'Target path to store odoo dump gz file.'
+
+    : :optval: --database,-d      "Target database ('cyclos' if not specified)"
+    : :optval: --service,-s       "The cyclos service name (defaults to 'cyclos')"
+
+    cyclos_service="${opt_service:-cyclos}"
+    cyclos_database="${opt_database:-cyclos}"
+
+    Wrap -d "stop container 'myc_${cyclos_service}_1'" -- \
+         docker stop "myc_${cyclos_service}_1" || exit 1
+    Wrap -d "Dump postgres database '${cyclos_database}'." -- \
+         pgm cp "$cyclos_database" "$DUMP_GZFILE" || exit 1
+    Wrap -d "start container 'myc_${cyclos_service}_1'." -- \
+         docker start "myc_${cyclos_service}_1" || exit 1
+}
+
+
+cmdline.spec.gnu restore
+cmdline.spec:cyclos:cmd:restore:run() {
+
+    : :posarg: GZ_DUMP_LOCATION  'Source cyclos dump file to restore
+                                   (can be a local file or an url)'
+
+    : :optval: --service,-s       "The service (defaults to 'cyclos')"
+    : :optval: --database,-d      'Target database (default if not specified)'
+
+    local out
+
+    cyclos_service="${opt_service:-cyclos}"
+    cyclos_database="${opt_database:-cyclos}"
+
+    if [[ "$GZ_DUMP_LOCATION" == "http://"* ]]; then
+        settmpdir GZ_TMP_LOCATION
+        tmp_location="$GZ_TMP_LOCATION/dump.gz"
+        Wrap -d "get '$GZ_DUMP_LOCATION'" <<EOF
+
+        curl -k -s -L "$GZ_DUMP_LOCATION" > "$tmp_location" || exit 1
+
+        if [[ "\$(dd if="$tmp_location" count=2 bs=1 2>/dev/null |
+                     hexdump -v -e "/1 \"%02x\"")" != "1f8b" ]]; then
+            err "Download doesn't seem to be a gzip file."
+            dd if="$tmp_location" count=1 bs=256 | hd | prefix "  ${GRAY}|${NORMAL} " >&2
+            exit 1
+        fi
+EOF
+        GZ_DUMP_LOCATION="$tmp_location"
+    fi
+
+    [ -e "$GZ_DUMP_LOCATION" ] || {
+        err "No file '$GZ_DUMP_LOCATION' found." >&2
         exit 1
     }
 
+    Wrap -d "stop container 'myc_${cyclos_service}_1'" -- \
+         docker stop "myc_${cyclos_service}_1" || exit 1
+
+    ## XXXvlab: making the assumption that the postgres username should
+    ## be the same as the cyclos service selected (which is the default,
+    ## but not always the case).
+    Wrap -d "restore postgres database '${cyclos_database}'." -- \
+        pgm cp -f "$GZ_DUMP_LOCATION" "${cyclos_service}@${cyclos_database}" || exit 1
+    ## ensure that the database is not locked
+
+    ## XXXvlab: 70 is uid of user postgres, this avoids the docker bug
+    ## but introduce hardwritten value
+    Wrap -d "check and remove database lock if any" <<EOF
+         echo "delete from database_lock;" | compose:psql "${cyclos_database}" || exit 1
+EOF
+
+    Wrap -d "set root url" -- \
+         cyclos:set_root_url "$cyclos_database" "$cyclos_service" || exit 1
+
+    Wrap -d "start container 'myc_${cyclos_service}_1'." -- \
+         docker start "myc_${cyclos_service}_1" || exit 1
+
 }
 
 
+cmdline.spec.gnu set-root-url
+cmdline.spec:cyclos:cmd:set-root-url:run() {
+
+    : :optval: --database,-d      "Target database ('cyclos' if not specified)"
+    : :optval: --service,-s       "The cyclos service name (defaults to 'cyclos')"
+
+    local URL
+
+    cyclos_database=${opt_database:-cyclos}
+    cyclos_service="${opt_service:-cyclos}"
+
+    Wrap -d "stop container 'myc_${cyclos_service}_1'" -- \
+         docker stop "myc_${cyclos_service}_1" || exit 1
+
+    Wrap -d "set root url" -- \
+         cyclos:set_root_url "$cyclos_database" "$cyclos_service" || exit 1
+
+    Wrap -d "start container 'myc_${cyclos_service}_1'." -- \
+         docker start "myc_${cyclos_service}_1" || exit 1
+
+}
+
+
+
+
 cmdline::parse "$@"