1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index 39d703a..1cd5480 100644
--- a/README
+++ b/README
@@ -154,6 +154,13 @@ To run automated tests:
 
     ./check
 
+This only runs the unit tests and build tests. To run a smoke test
+that actually builds and boots images:
+
+    sudo ./smoke.sh cache.tar.gz
+
+where `cache.tar.gz` caches the debootstrap output for a future run.
+
 You'll need the yarn program (part of the [cmdtest][] package), and
 also [CoverageTestRunner][] for running the unit tests.