CKA Lab, stuck on - Upgrade the controlplane components to exact version v1.29.0

Certified Kubernetes Administrator
#1

Hi Community,

Could you share the way how you overcome this step, please? It does not show any list with **kubeadm tool Version ‘1.29.-’ ** in it…

controlplane ~ ➜  sudo apt update
Hit:2 https://download.docker.com/linux/ubuntu focal InRelease                   
Hit:3 http://security.ubuntu.com/ubuntu focal-security InRelease                                    
Hit:1 https://prod-cdn.packages.k8s.io/repositories/isv:/kubernetes:/core:/stable:/v1.28/deb  InRelease
Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease                                        
Hit:5 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:6 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists... Done
Building dependency tree       
Reading state information... Done
69 packages can be upgraded. Run 'apt list --upgradable' to see them.

controlplane ~ ➜  sudo apt-cache madison kubeadm
   kubeadm | 1.28.8-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.7-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.6-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.5-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.4-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.3-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.2-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.1-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages
   kubeadm | 1.28.0-1.1 | https://pkgs.k8s.io/core:/stable:/v1.28/deb  Packages

controlplane ~ ➜  sudo apt-mark unhold kubeadm && \
> sudo apt-get update && sudo apt-get install -y kubeadm='1.29.0-*' && \
> sudo apt-mark hold kubeadm
kubeadm was already not hold.
Hit:2 https://download.docker.com/linux/ubuntu focal InRelease                                                                             
Hit:3 http://security.ubuntu.com/ubuntu focal-security InRelease                                                                           
Hit:1 https://prod-cdn.packages.k8s.io/repositories/isv:/kubernetes:/core:/stable:/v1.28/deb  InRelease            
Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease     
Hit:5 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:6 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists... Done
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Version '1.29.0-*' for 'kubeadm' was not found
#2

You need to update the configuration for the APT repository. I put up a FAQ in Q&A about this: FAQ: Upgrading Clusters With Kubeadm. This should tell you what you need to know.

#3

Thank you so much! Got the clue :+1: