diff --git a/builder/dockerfile.centos_core.barebones.rpm.test b/builder/dockerfile.centos_core.barebones.rpm.test
index 3831119..7f001ca 100644
--- a/builder/dockerfile.centos_core.barebones.rpm.test
+++ b/builder/dockerfile.centos_core.barebones.rpm.test
@@ -1,17 +1,21 @@
 FROM centos:centos7
 
-RUN yum install -y epel-release && yum groupinstall xfce -y
-RUN yum install -y xterm perl
+RUN yum install -y epel-release && yum install -y openbox xterm
+RUN yum erase -y pm-utils xscreensaver*
+RUN yum install -y vim less
 
 ARG KASMVNC_PACKAGE_DIR
 COPY $KASMVNC_PACKAGE_DIR/*.rpm /tmp
 RUN yum localinstall -y /tmp/*.rpm
 
-RUN useradd -m docker
+RUN useradd -m foo
 
-USER docker
+USER foo
 
-RUN mkdir ~/.vnc && echo '/usr/bin/xfce4-session &' >> ~/.vnc/xstartup && \
+RUN mkdir -p ~/.config/openbox && echo xterm > ~/.config/openbox/autostart && chmod +x ~/.config/openbox/autostart
+RUN mkdir ~/.vnc && echo '/usr/bin/openbox-session &' >> ~/.vnc/xstartup && \
   chmod +x ~/.vnc/xstartup
+RUN openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout $HOME/.vnc/self.pem -out $HOME/.vnc/self.pem -subj "/C=US/ST=VA/L=None/O=None/OU=DoFu/CN=kasm/emailAddress=none@none.none"
+RUN echo bar | kasmvncpasswd -f > $HOME/.kasmpasswd && chmod 0600 $HOME/.kasmpasswd
 
-ENTRYPOINT bash -c "vncserver :1 -interface 0.0.0.0 && vncserver -kill :1 && vncserver :1 -depth 24 -geometry 1280x1050 -websocketPort 8443 -cert /etc/ssl/certs/ssl-cert-snakeoil.pem -key /etc/ssl/private/ssl-cert-snakeoil.key -sslOnly -FrameRate=24 -interface 0.0.0.0 -httpd /usr/share/kasmvnc/www && tail -f $HOME/.vnc/*.log "
+ENTRYPOINT bash -c "vncserver :1 -interface 0.0.0.0 && vncserver -kill :1 && vncserver :1 -depth 24 -geometry 1280x1050 -websocketPort 8443 -cert $HOME/.vnc/self.pem -sslOnly -FrameRate=24 -interface 0.0.0.0 -httpd /usr/share/kasmvnc/www && tail -f $HOME/.vnc/*.log "
diff --git a/builder/test-rpm-barebones b/builder/test-rpm-barebones
index 608142e..485cd7e 100755
--- a/builder/test-rpm-barebones
+++ b/builder/test-rpm-barebones
@@ -11,4 +11,5 @@ docker build --build-arg KASMVNC_PACKAGE_DIR="build" \
   -f dockerfile.${os}_${os_codename}.barebones.rpm.test .
 echo
 echo "You will be asked to set password. User name is docker."
-docker run -it -p 443:8443 --rm kasmvnctester_barebones_${os}:$os_codename
+docker run -it -p 443:8443 --rm -e "VNC_USER=foo" -e "VNC_PW=bar" \
+  kasmvnctester_barebones_${os}:$os_codename