diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a4b65cfcb..b41c784bf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,14 +3,107 @@ on: [workflow_dispatch]
 
 
 jobs:
-  check-packages:
-    name: Test installation on ${{ matrix.os }}
+  clean-ubuntu:
+    name: clean ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: ["ubuntu-20.04", "ubuntu-22.04", "ubuntu-24.04"]
     steps:
+      - run: df -h
+      - name: remove packages
+        run: |
+              removePacks=( '^llvm-.*' 'php.*' '^mongodb-.*' '^mysql-.*' '^dotnet-sdk-.*' 'azure-cli' 'google-cloud-cli' 'google-chrome-stable' 'firefox' 'powershell*' 'microsoft-edge-stable' 'mono-devel' )
+              for pack in "${removePacks[@]}"; do
+                echo "REMOVING ${pack}"
+                sudo apt-get purge -y $pack || true
+              done
+              sudo apt-get autoremove -y
+              sudo apt-get clean
+      - run: df -h
       - name: check packages
         run: dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -nr
+      - name: remove dirs
+        run: |
+              sudo rm -rf /usr/local/lib/android
+              sudo rm -rf /usr/share/dotnet
+              sudo rm -rf /usr/share/swift
+              sudo rm -rf /usr/share/miniconda
+              sudo rm -rf /usr/share/az*
+              sudo rm -rf /usr/share/gradle-*
+              sudo rm -rf /usr/share/sbt
+              sudo rm -rf /opt/ghc
+              sudo rm -rf /usr/local/.ghcup
+              sudo rm -rf /usr/local/share/powershell
+              sudo rm -rf /usr/local/lib/node_modules
+              sudo rm -rf /usr/local/julia*
+              sudo rm -rf /usr/local/share/chromium
+              sudo rm -rf /usr/local/share/vcpkg
+              sudo rm -rf /usr/local/games
+              sudo rm -rf /usr/local/sqlpackage
+              sudo rm -rf /usr/lib/google-cloud-sdk
+              sudo rm -rf /usr/lib/jvm
+              sudo rm -rf /usr/lib/mono
+              sudo rm -rf /usr/lib/R
+              sudo rm -rf /usr/lib/postgresql
+              sudo rm -rf /usr/lib/heroku
+              sudo rm -rf /usr/lib/llvm*
+              sudo rm -rf /usr/lib/firefox
+              sudo rm -rf /opt/hostedtoolcache
+              sudo docker image prune --all --force
+      - run: df -h
 
-  
+  clean-rhel:
+    name: clean ${{ matrix.os }}
+    runs-on: ubuntu-latest
+    container:
+      image: ${{ matrix.os }}
+      options: --privileged --mount type=bind,source=/,target=/host
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["rockylinux:8", "almalinux:8", "rockylinux:9", "almalinux:9"]
+    steps:
+      - run: df -h
+      - name: remove packages
+        run: |
+              removePacks=( '^llvm-.*' 'php.*' '^mongodb-.*' '^mysql-.*' '^dotnet-sdk-.*' 'azure-cli' 'google-cloud-cli' 'google-chrome-stable' 'firefox' 'powershell*' 'microsoft-edge-stable' 'mono-devel' )
+              for pack in "${removePacks[@]}"; do
+                echo "REMOVING ${pack}"
+                sudo apt-get purge -y $pack || true
+              done
+              sudo apt-get autoremove -y
+              sudo apt-get clean
+      - run: df -h
+      - name: check packages
+        run: dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -nr
+      - name: remove dirs
+        run: |
+              sudo rm -rf host/usr/local/lib/android
+              sudo rm -rf host/usr/share/dotnet
+              sudo rm -rf host/usr/share/swift
+              sudo rm -rf host/usr/share/miniconda
+              sudo rm -rf host/usr/share/az*
+              sudo rm -rf host/usr/share/gradle-*
+              sudo rm -rf host/usr/share/sbt
+              sudo rm -rf host/opt/ghc
+              sudo rm -rf host/usr/local/.ghcup
+              sudo rm -rf host/usr/local/share/powershell
+              sudo rm -rf host/usr/local/lib/node_modules
+              sudo rm -rf host/usr/local/julia*
+              sudo rm -rf host/usr/local/share/chromium
+              sudo rm -rf host/usr/local/share/vcpkg
+              sudo rm -rf host/usr/local/games
+              sudo rm -rf host/usr/local/sqlpackage
+              sudo rm -rf host/usr/lib/google-cloud-sdk
+              sudo rm -rf host/usr/lib/jvm
+              sudo rm -rf host/usr/lib/mono
+              sudo rm -rf host/usr/lib/R
+              sudo rm -rf host/usr/lib/postgresql
+              sudo rm -rf host/usr/lib/heroku
+              sudo rm -rf host/usr/lib/llvm*
+              sudo rm -rf host/usr/lib/firefox
+              sudo rm -rf host/opt/hostedtoolcache
+              sudo docker image prune --all --force
+      - run: df -h