diff --git a/scripts/azure-pipelines-complete.yml b/scripts/azure-pipelines-complete.yml
index ec1c1e6e438..fe5ecfd32a2 100644
--- a/scripts/azure-pipelines-complete.yml
+++ b/scripts/azure-pipelines-complete.yml
@@ -18,7 +18,7 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
   - name: VM_IMAGE_WINDOWS
     type: object
     default:
@@ -36,11 +36,11 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
 
 pool:
   name: Azure Pipelines
-  vmImage: ubuntu-18.04
+  vmImage: ubuntu-20.04
 
 variables:
   - template: azure-pipelines-variables.yml
diff --git a/scripts/azure-pipelines-tests.yml b/scripts/azure-pipelines-tests.yml
index 24362dae600..4b1e67b72dc 100644
--- a/scripts/azure-pipelines-tests.yml
+++ b/scripts/azure-pipelines-tests.yml
@@ -8,7 +8,7 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
   - name: VM_IMAGE_WINDOWS
     type: object
     default:
@@ -26,7 +26,7 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
 
 variables:
   - template: azure-pipelines-variables.yml
diff --git a/scripts/azure-pipelines-variables.yml b/scripts/azure-pipelines-variables.yml
index ceec0c605da..2e97f33cbb4 100644
--- a/scripts/azure-pipelines-variables.yml
+++ b/scripts/azure-pipelines-variables.yml
@@ -9,10 +9,10 @@ variables:
   PREVIEW_LABEL: 'preview'
   BUILD_NUMBER: $[counter(format('_{0}_{1}_{2}__', variables['SKIASHARP_VERSION'], variables['Build.SourceBranch'], variables['PREVIEW_LABEL']), 1)]
   BUILD_COUNTER: $[counter('global_counter', 1)]
-  TIZEN_LINUX_PACKAGES: libxcb-xfixes0 libxcb-render-util0 libwebkitgtk-1.0-0 libxcb-image0 acl libsdl1.2debian libv4l-0 libxcb-randr0 libxcb-shape0 libxcb-icccm4 libsm6 gettext rpm2cpio cpio bridge-utils openvpn
+  TIZEN_LINUX_PACKAGES: libxcb-icccm4 libxcb-render-util0 gettext libxcb-image0 libsdl1.2debian libv4l-0 libxcb-randr0 bridge-utils libxcb-shape0 libpython2.7 openvpn
   MANAGED_LINUX_PACKAGES: ttf-ancient-fonts ninja-build
   MONO_VERSION_MACOS: '6_12_13'
-  MONO_VERSION_LINUX: ''
+  MONO_VERSION_LINUX: 'stable-focal/snapshots/6.12.0.182'
   XCODE_VERSION: 13.2.1
   VISUAL_STUDIO_VERSION: '17/pre'
   DOTNET_VERSION_PREVIEW: '6.0.401'
diff --git a/scripts/azure-pipelines.yml b/scripts/azure-pipelines.yml
index 1bdd3839a5a..0ae2f7e9434 100644
--- a/scripts/azure-pipelines.yml
+++ b/scripts/azure-pipelines.yml
@@ -18,7 +18,7 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
   - name: VM_IMAGE_WINDOWS
     type: object
     default:
@@ -36,7 +36,7 @@ parameters:
     default:
       pool:
         name: Azure Pipelines
-        vmImage: ubuntu-18.04
+        vmImage: ubuntu-20.04
 
 variables:
   - template: azure-pipelines-variables.yml
diff --git a/scripts/azure-templates-bootstrapper.yml b/scripts/azure-templates-bootstrapper.yml
index 96d5eb60c24..29a14eed511 100644
--- a/scripts/azure-templates-bootstrapper.yml
+++ b/scripts/azure-templates-bootstrapper.yml
@@ -80,11 +80,11 @@ jobs:
           condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''), ne('${{ parameters.packages }}', ''))
 
       # make sure mono/msbuild is the correct version
-      - ${{ if and(ne(variables['MONO_VERSION_LINUX'], ''), eq(parameters.docker, ''), endsWith(parameters.name, '_linux')) }}:
+      - ${{ if and(eq(parameters.docker, ''), endsWith(parameters.name, '_linux')) }}:
         - bash: ./scripts/install-mono.sh $(MONO_VERSION_LINUX)
           displayName: Install Mono and MSBuild
           retryCountOnTaskFailure: 3
-          condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''))
+          condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''), ne(variables['MONO_VERSION_LINUX'], ''))
       - ${{ if endsWith(parameters.name, '_macos') }}:
         - bash: sudo ./scripts/select-xamarin.sh $(MONO_VERSION_MACOS)
           displayName: Switch to the latest Xamarin SDK
diff --git a/scripts/install-mono.sh b/scripts/install-mono.sh
index 446a4a7135c..65c0a4b0864 100755
--- a/scripts/install-mono.sh
+++ b/scripts/install-mono.sh
@@ -1,11 +1,10 @@
 #!/usr/bin/env bash
 set -e
 
-sudo apt remove -y mono-complete msbuild
-sudo apt autoremove -y
-sudo rm /etc/mono/config
 sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
 echo "deb https://download.mono-project.com/repo/ubuntu $@ main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
 sudo apt update
 sudo apt install -y mono-complete msbuild
 mono --version
+sudo apt install -y gtk-sharp2
+mono --version