diff --git a/notebooks/demo/use-case_advanced_summer_days_intake_xarray_cmip6.ipynb b/notebooks/demo/use-case_advanced_summer_days_intake_xarray_cmip6.ipynb
index c0afbad436cdf45bd5fdc7041a7e0d4580aed12f..7b2301e4f19ef5fde8b5d741da8d5290f7c741e8 100644
--- a/notebooks/demo/use-case_advanced_summer_days_intake_xarray_cmip6.ipynb
+++ b/notebooks/demo/use-case_advanced_summer_days_intake_xarray_cmip6.ipynb
@@ -170,8 +170,10 @@
    "outputs": [],
    "source": [
     "# Path to master catalog on the DKRZ server\n",
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "parent_col=intake.open_catalog([col_url])\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "parent_col=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(parent_col)\n",
     "\n",
     "# Open the catalog with the intake package and name it \"col\" as short for \"collection\"\n",
diff --git a/notebooks/demo/use-case_calculate-frost-days_intake-xarray_cmip6.ipynb b/notebooks/demo/use-case_calculate-frost-days_intake-xarray_cmip6.ipynb
index a8c961d948e68ae3c60121e149dd0e1120102d45..57f302250794563af3faf92aea0a8b69d605f931 100644
--- a/notebooks/demo/use-case_calculate-frost-days_intake-xarray_cmip6.ipynb
+++ b/notebooks/demo/use-case_calculate-frost-days_intake-xarray_cmip6.ipynb
@@ -93,8 +93,10 @@
    "outputs": [],
    "source": [
     "# Path to master catalog on the DKRZ server\n",
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "parent_col=intake.open_catalog([col_url])\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "parent_col=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(parent_col)\n",
     "\n",
     "# Open the catalog with the intake package and name it \"col\" as short for \"collection\"\n",
diff --git a/notebooks/demo/use-case_climate-extremes-indices_cdo.ipynb b/notebooks/demo/use-case_climate-extremes-indices_cdo.ipynb
index fe45e2330d92f85dac7f3086baae27f4f8e9fb8c..3a539551fb0f077e189b86ef1367eef21910786e 100755
--- a/notebooks/demo/use-case_climate-extremes-indices_cdo.ipynb
+++ b/notebooks/demo/use-case_climate-extremes-indices_cdo.ipynb
@@ -91,8 +91,10 @@
    "source": [
     "import intake\n",
     "# Path to master catalog on the DKRZ server\n",
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "dkrz_catalog=intake.open_catalog([col_url])\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "dkrz_catalog=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(dkrz_catalog)\n",
     "\n",
     "# Open the catalog with the intake package and name it \"col\" as short for \"collection\"\n",
diff --git a/notebooks/demo/use-case_convert-nc-to-tiff_rioxarray-xesmf_cmip.ipynb b/notebooks/demo/use-case_convert-nc-to-tiff_rioxarray-xesmf_cmip.ipynb
index 191c7896b3f49e1be64f7399df66265f6e9e55da..956cf98bc4f00c05126d87852535eba50951493b 100644
--- a/notebooks/demo/use-case_convert-nc-to-tiff_rioxarray-xesmf_cmip.ipynb
+++ b/notebooks/demo/use-case_convert-nc-to-tiff_rioxarray-xesmf_cmip.ipynb
@@ -54,7 +54,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "dkrz_catalog = intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "# Path to master catalog on the DKRZ server\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "dkrz_catalog=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "# Print DKRZ open catalogues\n",
     "list(dkrz_catalog)"
    ]
diff --git a/notebooks/demo/use-case_ensemble-analysis_intake-xarray_cmip6.ipynb b/notebooks/demo/use-case_ensemble-analysis_intake-xarray_cmip6.ipynb
index 259793fcacf0575011eaa8a5d13b9f89759e5079..c0d5abd52e99ba2fb2a46406c2edce43c8345b3a 100644
--- a/notebooks/demo/use-case_ensemble-analysis_intake-xarray_cmip6.ipynb
+++ b/notebooks/demo/use-case_ensemble-analysis_intake-xarray_cmip6.ipynb
@@ -119,8 +119,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "parent_col=intake.open_catalog([col_url])\n",
+    "# Path to master catalog on the DKRZ server\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "parent_col=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(parent_col)"
    ]
   },
diff --git a/notebooks/demo/use-case_global-yearly-mean-anomaly_xarray-hvplot_cmip6.ipynb b/notebooks/demo/use-case_global-yearly-mean-anomaly_xarray-hvplot_cmip6.ipynb
index 833c9134fbe97c2c893427783235e20211bb26dd..08b55cac6261aa0630f5e92b891f67a7b389d77a 100644
--- a/notebooks/demo/use-case_global-yearly-mean-anomaly_xarray-hvplot_cmip6.ipynb
+++ b/notebooks/demo/use-case_global-yearly-mean-anomaly_xarray-hvplot_cmip6.ipynb
@@ -96,8 +96,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "parent_col=intake.open_catalog([col_url])\n",
+    "# Path to master catalog on the DKRZ server\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "parent_col=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(parent_col)"
    ]
   },
diff --git a/notebooks/demo/use-case_plot-unstructured_psyplot_cmip6.ipynb b/notebooks/demo/use-case_plot-unstructured_psyplot_cmip6.ipynb
index e508cd7840d9b510a197c31c847dc63d1299f217..b83a0ccfcb63fd6a69c70c48dd69001e967f6359 100644
--- a/notebooks/demo/use-case_plot-unstructured_psyplot_cmip6.ipynb
+++ b/notebooks/demo/use-case_plot-unstructured_psyplot_cmip6.ipynb
@@ -56,8 +56,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "col_url = \"https://dkrz.de/s/intake\"\n",
-    "parent_col=intake.open_catalog([col_url])\n",
+    "# Path to master catalog on the DKRZ server\n",
+    "#dkrz_catalog=intake.open_catalog([\"https://dkrz.de/s/intake\"])\n",
+    "#\n",
+    "#only for the web page we need to take the original link:\n",
+    "parent_col=intake.open_catalog([\"https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml\"])\n",
     "list(parent_col)"
    ]
   },