Pre-Knowledge

You should have your CKA knowledge up to date and be proficient with kubectl. We suggest:

• Study all scenarios on Killer Shell CKA

Required Knowledge

• Study all topics in the curriculum until comfortable
• Practice scenarios on Killer Shell CKS
• Read the Sysdig Kubernetes Security Guide
• Review the Kubernetes Security book by Liz Rice
• Check out the Cloud Native Security Whitepaper
• Explore walidshari's repository for additional tips and resources

Key Skills

• Modifying kube-apiserver in kubeadm setup
• Working with AdmissionControllers
• Creating and using ImagePolicyWebhook
• Using security tools: Falco, Sysdig, Tracee, Trivy

Required Reading

• CNCF Curriculum
• Linux Foundation Handbook
• Important Instructions
• FAQ

Allowed Documentation

• Kubernetes Documentation
• Kubernetes Blog
• Falco Documentation
• BOM CLI Reference
• etcd Documentation
• Ingress NGINX Configuration
• Cilium Documentation

PSI Bridge Changes

• Exam taken using PSI Secure Browser
• Multiple monitors no longer permitted
• Personal bookmarks not allowed
• Improved features in new ExamUI:
  • Remote desktop with required tools
  • Timer with remaining time display
  • Content panel on left side

Terminal Tips

• Use history command or Ctrl+r for command history search
• Use Ctrl+z to background tasks and fg to bring them back
• Fast pod deletion: k delete pod x --grace-period 0 --force

Vim Configuration

set tabstop=2
set expandtab
set shiftwidth=2

Useful Vim commands:

• Toggle line numbers: :set number or :set nonumber
• Jump to line: :22
• Mark lines: Esc+V (then arrow keys)
• Copy: y, Cut: d, Paste: p or P
• Indent multiple lines: :set shiftwidth=2, then > or <