diff --git a/.github/workflows/isotovideo-check-all-test-modules.yml b/.github/workflows/isotovideo-check-all-test-modules.yml
index ee4ab09..3be139f 100644
--- a/.github/workflows/isotovideo-check-all-test-modules.yml
+++ b/.github/workflows/isotovideo-check-all-test-modules.yml
@@ -11,6 +11,6 @@ jobs:
     # which can be fixed with a more recent version of Ubuntu explicitly
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Run isotovideo against test code, fail if any test module failed
-        run: podman run --rm -it -v .:/tests:Z --entrypoint '' registry.opensuse.org/devel/openqa/containers/isotovideo:qemu-x86-jq /bin/sh -c 'isotovideo qemu_no_kvm=1 casedir=/tests && jq .result testresults/result-*.json | grep -v ok && echo "Test modules failed" && exit 1'
+        run: podman run --rm -it -v .:/tests:Z --entrypoint '' registry.opensuse.org/devel/openqa/containers/isotovideo:qemu-x86-jq /bin/sh -c 'isotovideo --exit-status-from-test-results qemu_no_kvm=1 casedir=/tests'
diff --git a/.github/workflows/yaml-checks.yml b/.github/workflows/yaml-checks.yml
new file mode 100644
index 0000000..4e03ac6
--- /dev/null
+++ b/.github/workflows/yaml-checks.yml
@@ -0,0 +1,15 @@
+---
+name: yamllint
+on: [push, pull_request]
+
+jobs:
+  yamllint:
+    runs-on: ubuntu-latest
+    container:
+      image: registry.opensuse.org/devel/openqa/containers/os-autoinst_dev
+    steps:
+      - uses: actions/checkout@v4
+      - name: Validate yamls
+        run: |
+          git config --global --add safe.directory '*'
+          yamllint --strict $(git ls-files "*.yml" "*.yaml" 2> /dev/null || find . -name '*.y*ml')
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/.yamlignore b/.yamlignore
new file mode 100644
index 0000000..e69de29
diff --git a/.yamllint b/.yamllint
new file mode 120000
index 0000000..dece13a
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1 @@
+external/os-autoinst-common/.yamllint
\ No newline at end of file