diff --git a/Dockerfile b/Dockerfile
index a7b71ec..bf31aeb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,9 @@ RUN apt-get update
 RUN apt-get install -y  vim 
 RUN apt-get install -y  net-tools
 RUN apt-get install -y  iputils-ping
+RUN apt-get install -y openssh-server
 
-CMD rm -rf /root/.ssh && mkdir /root/.ssh && cp -R /root/ssh/* /root/.ssh/ && chmod -R 600 /root/.ssh/* && \
-ssh \
+CMD ssh \
 -C \
 -f \
 -N \