Update node

Cordon the node

kubectl cordon <node>

Drain node

kubectl drain <node> --delete-emptydir-data

Download a new binary

wget https://github.com/k3s-io/k3s/releases/download/v1.34.1%2Bk3s1/k3s

Make executable

chmod +x k3s

Replace the existing binary

sudo mv k3s /usr/local/bin/k3s

Restart k3s service

sudo systemctl restart k3s

Uncordon node

kubectl uncordon <node>