diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e6a83a377..c4c30945c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,8 @@ FEATURES:
 ENHANCEMENTS:
 
 BUG FIXES:
-* Update to Resource Processor Image, now using Ubuntu 22.04 (jammy). Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))
+* Update Guacomole Linux VM Images to 22.04 and 20.04 Data Science VM. Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))
+* Update to Resource Processor Image, now using Ubuntu 22.04 (jammy). Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))  
 
 COMPONENTS:
 
diff --git a/e2e_tests/test_performance.py b/e2e_tests/test_performance.py
index 9f284fc235..6c6d836d9d 100644
--- a/e2e_tests/test_performance.py
+++ b/e2e_tests/test_performance.py
@@ -106,7 +106,7 @@ async def test_bulk_updates_to_ensure_each_resource_updated_in_series(verify) ->
         "properties": {
             "display_name": "Perf test VM",
             "description": "",
-            "os_image": "Ubuntu 18.04"
+            "os_image": "Ubuntu 22.04 LTS"
         }
     }
 
diff --git a/templates/shared_services/sonatype-nexus-vm/porter.yaml b/templates/shared_services/sonatype-nexus-vm/porter.yaml
index 307bee19bc..2e73d5f318 100644
--- a/templates/shared_services/sonatype-nexus-vm/porter.yaml
+++ b/templates/shared_services/sonatype-nexus-vm/porter.yaml
@@ -1,7 +1,7 @@
 ---
 schemaVersion: 1.0.0
 name: tre-shared-service-sonatype-nexus
-version: 2.8.13
+version: 2.8.15
 description: "A Sonatype Nexus shared service"
 dockerfile: Dockerfile.tmpl
 registry: azuretre
diff --git a/templates/shared_services/sonatype-nexus-vm/scripts/nexus_repos_config/microsoft_download_conf.json b/templates/shared_services/sonatype-nexus-vm/scripts/nexus_repos_config/microsoft_download_conf.json
new file mode 100644
index 0000000000..a153c626a9
--- /dev/null
+++ b/templates/shared_services/sonatype-nexus-vm/scripts/nexus_repos_config/microsoft_download_conf.json
@@ -0,0 +1,32 @@
+{
+    "name": "microsoft-download",
+    "online": true,
+    "storage": {
+        "blobStoreName": "default",
+        "strictContentTypeValidation": true,
+        "write_policy": "ALLOW"
+    },
+    "proxy": {
+        "remoteUrl": "https://download.microsoft.com/download",
+        "contentMaxAge": 1440,
+        "metadataMaxAge": 1440
+    },
+    "negativeCache": {
+        "enabled": true,
+        "timeToLive": 1440
+    },
+    "httpClient": {
+        "blocked": false,
+        "autoBlock": false,
+        "connection": {
+            "retries": 0,
+            "userAgentSuffix": "string",
+            "timeout": 60,
+            "enableCircularRedirects": false,
+            "enableCookies": false,
+            "useTrustStore": false
+        }
+    },
+    "baseType": "raw",
+    "repoType": "proxy"
+  }
\ No newline at end of file
diff --git a/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf b/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
index 27a6a3d04f..79dfa04472 100644
--- a/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
+++ b/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
@@ -83,6 +83,7 @@ resource "azurerm_user_assigned_identity" "nexus_msi" {
   location            = data.azurerm_resource_group.rg.location
   resource_group_name = local.core_resource_group_name
   tags                = local.tre_shared_service_tags
+
   lifecycle { ignore_changes = [tags] }
 }
 
diff --git a/templates/workspace_services/guacamole/user_resources/README.md b/templates/workspace_services/guacamole/user_resources/README.md
index c553e1673a..d0db21cb86 100644
--- a/templates/workspace_services/guacamole/user_resources/README.md
+++ b/templates/workspace_services/guacamole/user_resources/README.md
@@ -2,10 +2,9 @@
 
 This folder contains user resources that can be deployed with the Guacamole workspace service:
 
-- linuxvm - a Linux-based virtual machine (expects an Ubuntu 18.04-based VM)
+- linuxvm - a Linux-based virtual machine
 - windowsvm - A Windows-based virtual machine
 
-
 ## Customising the user resources
 
 The `guacamole-azure-linuxvm` and `guacamole-azure-windowsvm` folders follow a consistent layout.
@@ -29,21 +28,32 @@ custom:
     "8 CPU | 32GB RAM": Standard_D8s_v5
     "16 CPU | 64GB RAM": Standard_D16s_v5
   image_options:
-    "Ubuntu 18.04":
+    "Ubuntu 22.04 LTS":
       source_image_reference:
         publisher: canonical
-        offer: ubuntuserver
-        sku: 18_04-lts-gen2
+        offer: 0001-com-ubuntu-server-jammy
+        sku: 22_04-lts-gen2
         version: latest
+        apt_sku: 22.04
       install_ui: true
       conda_config: false
-    "Ubuntu 18.04 Data Science VM":
+    "Ubuntu 20.04 LTS":
+      source_image_reference:
+        publisher: canonical
+        offer: 0001-com-ubuntu-server-focal
+        sku: 20_04-lts-gen2
+        version: latest
+        apt_sku: 20.04
+      install_ui: true
+      conda_config: false
+    "Ubuntu 20.04 LTS Data Science VM":
       source_image_reference:
         publisher: microsoft-dsvm
-        offer: ubuntu-1804
-        sku: 1804-gen2
+        offer: ubuntu-2004
+        sku: 2004-gen2
         version: latest
-      install_ui: false
+        apt_sku: 20.04
+      install_ui: true
       conda_config: true
     # "Custom Image From Gallery":
     #   source_image_name: your-image
@@ -68,8 +78,6 @@ When specifying images using `source_image_name`, the image must be stored in an
 To enable re-using built user resource templates across environments where the image may vary, the image gallery is configured via the `RP_BUNDLE_VALUES` environment variable when deploying the TRE.
 The `RP_BUNDLE_VALUES` variable is a JSON object, and the `image_gallery_id` property within it identifies the image gallery that contains the images specified by `source_image_name`:
 
-
 ```bash
 RP_BUNDLE_VALUES='{"image_gallery_id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/<your-rg>/providers/Microsoft.Compute/galleries/<your-gallery-name>"}
 ```
-
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/porter.yaml b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/porter.yaml
index f36a668258..ef8971cbc6 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/porter.yaml
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/porter.yaml
@@ -1,7 +1,7 @@
 ---
 schemaVersion: 1.0.0
 name: tre-service-guacamole-linuxvm
-version: 0.6.9
+version: 0.6.35
 description: "An Azure TRE User Resource Template for Guacamole (Linux)"
 dockerfile: Dockerfile.tmpl
 registry: azuretre
@@ -14,20 +14,31 @@ custom:
     "8 CPU | 32GB RAM": Standard_D8s_v5
     "16 CPU | 64GB RAM": Standard_D16s_v5
   image_options:
-    "Ubuntu 18.04":
+    "Ubuntu 22.04 LTS":
       source_image_reference:
         publisher: canonical
-        offer: ubuntuserver
-        sku: 18_04-lts-gen2
+        offer: 0001-com-ubuntu-server-jammy
+        sku: 22_04-lts-gen2
         version: latest
+        apt_sku: 22.04
       install_ui: true
       conda_config: false
-    "Ubuntu 18.04 Data Science VM":
+    "Ubuntu 20.04 LTS":
+      source_image_reference:
+        publisher: canonical
+        offer: 0001-com-ubuntu-server-focal
+        sku: 20_04-lts-gen2
+        version: latest
+        apt_sku: 20.04
+      install_ui: false
+      conda_config: false
+    "Ubuntu 20.04 LTS Data Science VM":
       source_image_reference:
         publisher: microsoft-dsvm
-        offer: ubuntu-1804
-        sku: 1804-gen2
+        offer: ubuntu-2004
+        sku: 2004-gen2
         version: latest
+        apt_sku: 20.04
       install_ui: false
       conda_config: true
     # For information on using custom images, see README.me in the guacamole/user-resources folder
@@ -36,7 +47,6 @@ custom:
     #   install_ui: true
     #   conda_config: true
 
-
 credentials:
   - name: azure_tenant_id
     env: ARM_TENANT_ID
@@ -91,7 +101,7 @@ parameters:
     default: "public"
   - name: os_image
     type: string
-    default: "Ubuntu 18.04 Data Science VM"
+    default: "Ubuntu 22.04 LTS Data Science VM"
   - name: vm_size
     type: string
     default: "2 CPU | 8GB RAM"
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/template_schema.json b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/template_schema.json
index 9c7aec15a3..2e13d8b6fc 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/template_schema.json
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/template_schema.json
@@ -16,8 +16,8 @@
       "title": "Linux image",
       "description": "Select Linux image to use for VM",
       "enum": [
-        "Ubuntu 18.04",
-        "Ubuntu 18.04 Data Science VM"
+        "Ubuntu 22.04 LTS",
+        "Ubuntu 20.04 LTS"
       ]
     },
     "vm_size": {
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/apt_sources_config.yml b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/apt_sources_config.yml
index 22b3418d5b..faeaa61cd3 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/apt_sources_config.yml
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/apt_sources_config.yml
@@ -14,6 +14,7 @@ apt:
     deb [trusted=yes] $PRIMARY $RELEASE main restricted universe multiverse
     deb [trusted=yes] $PRIMARY $RELEASE-updates main restricted universe multiverse
     deb [trusted=yes] $SECURITY $RELEASE main restricted universe multiverse
-    deb [signed-by=/etc/apt/trusted.gpg.d/microsoft.gpg] ${nexus_proxy_url}/repository/microsoft-apt/ubuntu/18.04/prod $RELEASE main
+    deb [signed-by=/etc/apt/trusted.gpg.d/microsoft.gpg] ${nexus_proxy_url}/repository/microsoft-apt/ubuntu/${apt_sku}/prod $RELEASE main
     deb [signed-by=/etc/apt/trusted.gpg.d/microsoft.gpg] ${nexus_proxy_url}/repository/microsoft-apt/repos/edge stable main
+    deb [signed-by=/etc/apt/trusted.gpg.d/microsoft.gpg] ${nexus_proxy_url}/repository/microsoft-apt/repos/vscode stable main
     deb [signed-by=/etc/apt/trusted.gpg.d/docker-archive-keyring.gpg] ${nexus_proxy_url}/repository/docker/ $RELEASE stable
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/get_apt_keys.sh b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/get_apt_keys.sh
index 5849eaede3..6e69009525 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/get_apt_keys.sh
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/get_apt_keys.sh
@@ -6,6 +6,10 @@ set -o nounset
 # Uncomment this line to see each command for debugging (careful: this will show secrets!)
 # set -o xtrace
 
+#remove key if they already exist
+sudo rm -f /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg || true
+sudo rm -f /etc/apt/trusted.gpg.d/microsoft.gpg || true
+
 # Get Docker Public key from Nexus
 curl -fsSL "${NEXUS_PROXY_URL}"/repository/docker-public-key/gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg
 
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/linuxvm.tf b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/linuxvm.tf
index 247c4f77e0..dfc32c1997 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/linuxvm.tf
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/linuxvm.tf
@@ -110,6 +110,7 @@ data "template_file" "vm_config" {
     FILESHARE_NAME        = var.shared_storage_access ? data.azurerm_storage_share.shared_storage[0].name : ""
     NEXUS_PROXY_URL       = local.nexus_proxy_url
     CONDA_CONFIG          = local.selected_image.conda_config ? 1 : 0
+    VM_USER               = random_string.username.result
   }
 }
 
@@ -131,6 +132,7 @@ data "template_file" "apt_sources_config" {
   template = file("${path.module}/apt_sources_config.yml")
   vars = {
     nexus_proxy_url = local.nexus_proxy_url
+    apt_sku         = local.apt_sku
   }
 }
 
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/locals.tf b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/locals.tf
index 43a6d5982b..e0281269fd 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/locals.tf
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/locals.tf
@@ -15,7 +15,6 @@ locals {
     tre_user_resource_id     = var.tre_resource_id
   }
   nexus_proxy_url = "https://nexus-${data.azurerm_public_ip.app_gateway_ip.fqdn}"
-
   # Load VM SKU/image details from porter.yaml
   porter_yaml   = yamldecode(file("${path.module}/../porter.yaml"))
   vm_sizes      = local.porter_yaml["custom"]["vm_sizes"]
@@ -26,4 +25,5 @@ locals {
   # selected_image_source_refs is an array to enable easy use of a dynamic block
   selected_image_source_refs = lookup(local.selected_image, "source_image_reference", null) == null ? [] : [local.selected_image.source_image_reference]
   selected_image_source_id   = lookup(local.selected_image, "source_image_name", null) == null ? null : "${var.image_gallery_id}/images/${local.selected_image.source_image_name}"
+  apt_sku                    = local.selected_image_source_refs[0]["apt_sku"]
 }
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/pypi_sources_config.sh b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/pypi_sources_config.sh
index 6d70862655..9380cbc9e1 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/pypi_sources_config.sh
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/pypi_sources_config.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-sudo tee /etc/pip.conf > dev/null <<'EOF'
+sudo tee /etc/pip.conf > /dev/null <<'EOF'
 [global]
 index = ${nexus_proxy_url}/repository/pypi/pypi
 index-url = ${nexus_proxy_url}/repository/pypi/simple
diff --git a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/vm_config.sh b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/vm_config.sh
index 7db5f89b82..f0d0c8a63b 100644
--- a/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/vm_config.sh
+++ b/templates/workspace_services/guacamole/user_resources/guacamole-azure-linuxvm/terraform/vm_config.sh
@@ -2,31 +2,80 @@
 
 set -o errexit
 set -o pipefail
-# set -o nounset
+set -o nounset
 # Uncomment this line to see each command for debugging (careful: this will show secrets!)
-# set -o xtrace
+set -o xtrace
 
 # Remove apt sources not included in sources.list file
 sudo rm -f /etc/apt/sources.list.d/*
 
 # Update apt packages from configured Nexus sources
-sudo apt-get update
-
-# Install xrdp so Guacamole can connect via RDP
-sudo apt-get install xrdp -y
+echo "init_vm.sh: START"
+sudo apt update || continue
+sudo apt install -y gnupg2 software-properties-common apt-transport-https wget dirmngr gdebi-core
+sudo apt-get update || continue
+
+## Desktop
+echo "init_vm.sh: Desktop"
+echo /usr/sbin/gdm3 > /etc/X11/default-display-manager
+DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true dpkg-reconfigure gdm3
+echo set shared/default-x-display-manager gdm3 | debconf-communicate &> /dev/null 
+
+sudo DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true 
+sudo apt install -y xfce4 xfce4-goodies xorg dbus-x11 x11-xserver-utils
+
+## Install xrdp so Guacamole can connect via RDP
+echo "init_vm.sh: xrdp"
+sudo apt install -y xrdp xorgxrdp xfce4-session
 sudo adduser xrdp ssl-cert
-
-# Install desktop environment if image doesn't have one already
-if [ "${INSTALL_UI}" -eq 1 ]; then
-  sudo apt-get install xorg xfce4 xfce4-goodies dbus-x11 x11-xserver-utils -y
-  echo xfce4-session > ~/.xsession
-fi
+sudo -u "${VM_USER}" -i bash -c 'echo xfce4-session > ~/.xsession'
+
+## Python 3.8 and Jupyter
+sudo apt install -y jupyter-notebook
+
+## VS Code
+echo "init_vm.sh: VS Code"
+sudo apt install -y code 
+sudo apt install -y gvfs-bin || contine
+
+# echo "init_vm.sh: azure-cli"
+# sudo apt install azure-cli -y
+
+# TODO: need to look at proxy extentions
+# echo "init_vm.sh: Folders"
+# sudo mkdir /opt/vscode/user-data
+# sudo mkdir /opt/vscode/extensions
+## VSCode Extensions
+# echo "init_vm.sh: VSCode extensions"
+# code --extensions-dir="/opt/vscode/extensions" --user-data-dir="/opt/vscode/user-data" --install-extension ms-python.python
+# code --extensions-dir="/opt/vscode/extensions" --user-data-dir="/opt/vscode/user-data" --install-extension REditorSupport.r
+# code --extensions-dir="/opt/vscode/extensions" --user-data-dir="/opt/vscode/user-data" --install-extension RDebugger.r-debugger
+
+## R
+echo "init_vm.sh: R Setup"
+# wget -q https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc -O- | sudo apt-key add -
+# sudo add-apt-repository "deb https://cloud.r-project.org/bin/linux/ubuntu $(lsb_release -cs)-cran40/"
+# sudo apt update
+sudo apt install -y r-base
+
+## RStudio Desktop
+# echo "init_vm.sh: RStudio"
+# wget https://download1.rstudio.org/desktop/bionic/amd64/rstudio-2022.07.2-576-amd64.deb -P /tmp
+# sudo gdebi --non-interactive /tmp/rstudio-2022.07.2-576-amd64.deb
+
+## Azure Storage Explorer
+sudo apt install gnome-keyring -y
+wget -q ${NEXUS_PROXY_URL}/microsoft-download/A/E/3/AE32C485-B62B-4437-92F7-8B6B2C48CB40/StorageExplorer-linux-x64.tar.gz -P /tmp
+sudo mkdir /opt/storage-explorer
+tar -xf /tmp/StorageExplorer-linux-x64.tar.gz -C /opt/storage-explorer
+sudo chmod +x /opt/storage-explorer/*.sh
 
 # Fix for blank screen on DSVM (/sh -> /bash due to conflict with profile.d scripts)
 sudo sed -i 's|!/bin/sh|!/bin/bash|g' /etc/xrdp/startwm.sh
 
 # Make sure xrdp service starts up with the system
 sudo systemctl enable xrdp
+sudo service xrdp restart
 
 if [ "${SHARED_STORAGE_ACCESS}" -eq 1 ]; then
   # Install required packages
@@ -75,6 +124,7 @@ fi
 
 ### Anaconda Config
 if [ "${CONDA_CONFIG}" -eq 1 ]; then
+  echo "init_vm.sh: Anaconda"
   export PATH="/anaconda/condabin":$PATH
   export PATH="/anaconda/bin":$PATH
   export PATH="/anaconda/envs/py38_default/bin":$PATH
@@ -85,11 +135,24 @@ if [ "${CONDA_CONFIG}" -eq 1 ]; then
 fi
 
 # Docker install and config
+sudo apt-get remove -y moby-tini || true
+sudo apt-get install -y r-base-core
 sudo apt-get install -y ca-certificates curl gnupg lsb-release
-sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin jq
+sudo apt-get install -y docker-compose-plugin docker-ce-cli containerd.io jq
+sudo apt-get install -y docker-ce
 jq -n --arg proxy "${NEXUS_PROXY_URL}:8083" '{"registry-mirrors": [$proxy]}' > /etc/docker/daemon.json
 sudo systemctl daemon-reload
 sudo systemctl restart docker
 
 # R config
 sudo echo -e "local({\n    r <- getOption(\"repos\")\n    r[\"Nexus\"] <- \"""${NEXUS_PROXY_URL}\"/repository/r-proxy/\"\n    options(repos = r)\n})" | sudo tee /etc/R/Rprofile.site
+
+## Add ouh_researcher group for directory permissions
+echo "init_vm.sh: directory permissions"
+sudo chgrp -R ouh_researcher /opt/anaconda
+sudo chmod -R g+w /opt/anaconda
+
+# ## Cleanup
+echo "init_vm.sh: Cleanup"
+sudo apt -y autoremove
+sudo apt install unattended-upgrades
\ No newline at end of file