diff --git a/Tomcat-installation/READme.md b/Tomcat-installation/READme.md
index f19dba7a..77730021 100644
--- a/Tomcat-installation/READme.md
+++ b/Tomcat-installation/READme.md
@@ -24,14 +24,14 @@ sudo yum install java-1.8.0-openjdk-devel -y
# install wget unzip packages.
sudo yum install wget unzip -y
```
-## Install Tomcat version 9.0.69
+## Install Tomcat version 9.0.71
### Download and extract the tomcat server
``` sh
-sudo wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.69/bin/apache-tomcat-9.0.69.tar.gz
-sudo tar -xvf apache-tomcat-9.0.69.tar.gz
-sudo rm -rf apache-tomcat-9.0.69.tar.gz
+sudo wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.71/bin/apache-tomcat-9.0.71.tar.gz
+sudo tar -xvf apache-tomcat-9.0.71.tar.gz
+sudo rm -rf apache-tomcat-9.0.71.tar.gz
### rename tomcat for good naming convention
-sudo mv apache-tomcat-9.0.69 tomcat9
+sudo mv apache-tomcat-9.0.71 tomcat9
### assign executable permissions to the tomcat home directory
sudo chmod 777 -R /opt/tomcat9
sudo chown ec2-user -R /opt/tomcat9
diff --git a/Tomcat-installation/configure.txt b/Tomcat-installation/configure.txt
index 4113b1fa..874de602 100644
--- a/Tomcat-installation/configure.txt
+++ b/Tomcat-installation/configure.txt
@@ -4,9 +4,9 @@
find / -name server.xml context.xml
vim /opt/tomcat9/conf/server.xml
vi /opt/tomcat9/webapps/manager/META-INF/context.xml
-vi /opt/tomcat9/conf/tomcat-user.xml # to add user
+vi /opt/tomcat9/conf/tomcat-users.xml # to add user
-
+
/opt/tomcat9/conf/context.xml
diff --git a/kubeadm/common.sh b/kubeadm/common.sh
index ed969a74..8a351718 100644
--- a/kubeadm/common.sh
+++ b/kubeadm/common.sh
@@ -96,5 +96,5 @@ systemctl daemon-reload
systemctl start kubelet
systemctl enable kubelet.service
-sudo kubeadm join 10.0.0.6:6443 --token xmzufh.e0nu3kb5ohijfxyh \
- --discovery-token-ca-cert-hash sha256:579b6a53bd00c8483f5150b9fb521b6431fc38b1ac716b8b9a5f668928a93771
+sudo kubeadm join 172.31.16.107:6443 --token 77r0hn.0f8dndgr117wibwd \
+ --discovery-token-ca-cert-hash sha256:fdb8a2bc48d9e13f504dca9239c555a65ac0eb3a270f01dafb268065b795275d