diff --git a/ubuntu/Dockerfile b/ubuntu/Dockerfile
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--- /dev/null
+++ b/ubuntu/Dockerfile
@@ -0,0 +1,2 @@
+FROM ubuntu:14.04
+RUN apt-get update
diff --git a/ubuntu/README.md b/ubuntu/README.md
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--- /dev/null
+++ b/ubuntu/README.md
@@ -0,0 +1 @@
+Internet has been partially blocked in China.