chore: bump k8s version to 1.25.x

fixes: #39

Author: hsinhoyeh

hack/kubeadm/0.install_kubeadm.sh

@@ -6,7 +6,7 @@ cat <<EOF | tee /etc/apt/sources.list.d/kubernetes.list
 deb https://apt.kubernetes.io/ kubernetes-xenial main
 EOF
 apt-get update
-apt-get install -y kubelet=1.24.17-00 kubeadm=1.24.17-00 kubectl=1.24.17-00
+apt-get install -y kubelet=1.25.14-00 kubeadm=1.25.14-00 kubectl=1.25.14-00
 apt-mark hold kubeadm kubelet kubectl
 
 # if encountered the following error during install kubelet

hack/kubeadm/1.generate_env_variables.sh

@@ -8,7 +8,7 @@ KUBEADM_TOKEN=3chl6w.ymb8xtge15qndyfk
 LOCALHOST=127.0.0.1
 PUBLICIP="$MYIP"
 MASTERIP="$MASTERIP"
-KUBECTL_VERSION=v1.24.17
+KUBECTL_VERSION=v1.25.14
 EOF
 
 source ./env.sh

hack/kubeadm/2.setup_master_node.sh

@@ -11,13 +11,13 @@ kubeadm init --apiserver-bind-port=8443 \
 
 # move to .kube, so kubectl can work
 mkdir -p $HOME/.kube
-cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
-chown $(id -u):$(id -g) $HOME/.kube/config
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
 
 # add network plugins
 kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
 
 
 # taint master node
 kubectl taint nodes --all node-role.kubernetes.io/master-
-
+kubectl taint nodes --all node-role.kubernetes.io/control-plane-