I recently renewed my CKS certification from CNCF. Sadly, the experience was everything but smooth.

Tested setups:

Mac

Using a M2 Macbook Pro 13 with the latest 15.4.1 macOS.

  • Smooth installation
  • Unable to write any special characters (instead having to use the virtual keyboard)
  • No graphical bugs in the PSI browser

Linux

Using a freshly installed Kubuntu 24.04 on a Dell XPS 13.

  • Manual installation
  • Requires reconfiguration of AppArmor to avoid PSI Browser crashing during install:
sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
  • Works fine once installed
  • Special characters work fine
  • Graphical bugs for the environment
    • All windows shifted (clicks ended up in unexpected places)
    • Graphics corruption outside the active desktop
    • Improved after resetting the desktop connection

Network

Do no use WIFI, no matter the quality. The latency is messing up all functionality, including copying values from the sidebar.