diff --git a/setup-lb-ubuntu.sh b/setup-lb-ubuntu.sh
new file mode 100755
index 0000000..ae862c2
--- /dev/null
+++ b/setup-lb-ubuntu.sh
@@ -0,0 +1,145 @@
+#!/bin/bash
+#
+# source https://github.com/sandervanvugt/cka/setup-lb.sh
+
+# script to set up load balancing on cluster nodes
+# for use in CKA courses by Sander van Vugt
+# version 0.7
+# currently only tested on Ubuntu 22.04 LTS Server
+# run this AFTER running setup-container.sh and setup-kubetools.sh
+#
+# TODO: remove the many password prompts
+
+if which kubectl
+then
+	echo all good moving on
+else
+	echo please run setup-container.sh and setup-kubetools.sh first and then run this again
+	exit 6
+fi
+
+## establish key based SSH with remote hosts
+# obtain node information
+if grep control1 /etc/hosts | grep -v 127
+then
+	export CONTROL1_IP=$(awk '/control1/ { print $1 }' /etc/hosts | grep -v 127)
+else
+	echo enter IP address for control1
+	read CONTROL1_IP
+	export CONTROL1_IP=$CONTROL1_IP
+	sudo sh -c "echo $CONTROL1_IP control1 >> /etc/hosts"
+fi
+
+
+if grep control2 /etc/hosts | grep -v 127
+then
+        export CONTROL2_IP=$(awk '/control2/ { print $1 }' /etc/hosts | grep -v 127)
+else
+        echo enter IP address for control2
+        read CONTROL2_IP
+        export CONTROL2_IP=$CONTROL2_IP
+        sudo sh -c "echo $CONTROL2_IP control2 >> /etc/hosts"
+fi
+
+
+if grep control3 /etc/hosts | grep -v 127
+then
+        export CONTROL3_IP=$(awk '/control3/ { print $1 }' /etc/hosts | grep -v 127)
+else
+        echo enter IP address for control3
+        read CONTROL3_IP
+        export CONTROL3_IP=$CONTROL3_IP
+        sudo sh -c "echo $CONTROL3_IP control3 >> /etc/hosts"
+fi
+
+
+echo ##### READ ALL OF THIS BEFORE CONTINUING ######
+echo this script requires you to run setup-container.sh and setup-kubetools.sh first
+echo this script is based on the NIC name ens33
+echo if your networkcard has a different name, edit keepalived.conf
+echo before continuing and change "interface ens33" to match your config
+echo .
+echo this script will create a keepalived apiserver at 192.168.29.100
+echo if this IP address does not match your network configuration,
+echo manually change the check_apiserver.sh file before continuing
+echo also change the IP address in keepalived.conf
+echo .
+echo press enter to continue or Ctrl-c to interrupt and apply modifications
+read
+
+# performing check on critical files
+for i in keepalived.conf check_apiserver.sh haproxy.cfg
+do
+	if [ ! -f $i ]
+	then
+		echo $i should exist in the current directory && exit 2
+	fi
+done
+
+# generating and distributing SSH keys
+ssh-keygen
+ssh-copy-id control1
+ssh-copy-id control2
+ssh-copy-id control3
+
+# configuring sudo for easier access
+sudo sh -c "echo 'Defaults timestamp_type=global,timestamp_timeout=60' >> /etc/sudoers"
+sudo scp -p /etc/sudoers student@control2:/tmp/ && ssh -t control2 'sudo -S chown root:root /tmp/sudoers' && ssh -t control2 'sudo -S cp -p /tmp/sudoers /etc/'
+sudo scp -p /etc/sudoers student@control3:/tmp/ && ssh -t control3 'sudo -S chown root:root /tmp/sudoers' && ssh -t control3 'sudo -S cp -p /tmp/sudoers /etc/'
+#ssh control2 sudo -S sh -c "echo 'Defaults timestamp_type=global,timestamp_timeout=60' >> /etc/sudoers"
+#ssh control3 sudo -S sh -c "echo 'Defaults timestamp_type=global,timestamp_timeout=60' >> /etc/sudoers"
+
+# install required software
+sudo apt install haproxy keepalived -y
+ssh control2 "sudo -S apt install haproxy keepalived -y"
+ssh control3 "sudo -S apt install haproxy keepalived -y"
+
+scp /etc/hosts control2:/tmp && ssh -t control2 'sudo -S cp /tmp/hosts /etc/'
+scp /etc/hosts control3:/tmp && ssh -t control3 'sudo -S cp /tmp/hosts /etc/'
+
+# create keepalived config
+# change IP address to anything that works in your environment!
+sudo chmod +x check_apiserver.sh
+sudo cp check_apiserver.sh /etc/keepalived/
+
+
+scp check_apiserver.sh control2:/tmp && ssh -t control2 'sudo -S cp /tmp/check_apiserver.sh /etc/keepalived'
+scp check_apiserver.sh control3:/tmp && ssh -t control3 'sudo -S cp /tmp/check_apiserver.sh /etc/keepalived'
+
+#### creating site specific keepalived.conf file
+sudo cp keepalived.conf keepalived-control2.conf
+sudo cp keepalived.conf keepalived-control3.conf
+
+sudo sed -i 's/state MASTER/state SLAVE/' keepalived-control2.conf
+sudo sed -i 's/state MASTER/state SLAVE/' keepalived-control3.conf
+sudo sed -i 's/priority 255/priority 254/' keepalived-control2.conf
+sudo sed -i 's/priority 255/priority 253/' keepalived-control3.conf
+
+sudo cp keepalived.conf /etc/keepalived/
+scp keepalived-control2.conf control2:/tmp && ssh -t control2 'sudo -S cp /tmp/keepalived-control2.conf /etc/keepalived/keepalived.conf'
+scp keepalived-control3.conf control3:/tmp && ssh -t control3 'sudo -S cp /tmp/keepalived-control3.conf /etc/keepalived/keepalived.conf'
+echo DEBUG check if files are copied over successfully
+read
+
+### rewriting haproxy.cfg with site specific IP addresses
+sudo sed -i s/server\ control1\ 1.1.1.1\:6443\ check/server\ control1\ $CONTROL1_IP\:6443\ check/ haproxy.cfg
+sudo sed -i s/server\ control2\ 1.1.1.2\:6443\ check/server\ control2\ $CONTROL2_IP\:6443\ check/ haproxy.cfg
+sudo sed -i s/server\ control3\ 1.1.1.3\:6443\ check/server\ control3\ $CONTROL3_IP\:6443\ check/ haproxy.cfg
+
+# copy haproxy.cfg to destinations
+sudo cp haproxy.cfg /etc/haproxy/
+scp haproxy.cfg control2:/tmp && ssh -t control2 'sudo -S cp /tmp/haproxy.cfg /etc/haproxy/'
+scp haproxy.cfg control3:/tmp && ssh -t control3 'sudo -S cp /tmp/haproxy.cfg /etc/haproxy/'
+echo DEBUG check if haproxy files are copied over successfully
+read
+
+# start and enable services
+sudo systemctl enable keepalived --now
+sudo systemctl enable haproxy --now
+ssh control2 sudo -S systemctl enable keepalived --now
+ssh control2 sudo -S systemctl enable haproxy --now
+ssh control3 sudo -S systemctl enable keepalived --now
+ssh control3 sudo -S systemctl enable haproxy --now
+
+echo setup is now done, please verify
+echo the first node that started the services - normally control1 -  should run the virtual IP address 192.168.29.100
diff --git a/statefuldemo.yaml b/statefuldemo.yaml
index f4d873d..ef899e9 100644
--- a/statefuldemo.yaml
+++ b/statefuldemo.yaml
@@ -19,13 +19,13 @@ metadata:
 spec:
   selector:
     matchLabels:
-      app: nginx # has to match .spec.template.metadata.labels
+      app: nginx 
   serviceName: "nginx"
-  replicas: 3 # by default is 1
+  replicas: 3 
   template:
     metadata:
       labels:
-        app: nginx # has to match .spec.selector.matchLabels
+        app: nginx 
     spec:
       terminationGracePeriodSeconds: 10
       containers: