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kaizen-agentic/engagements/pilots/eng-coulomb-railiance01-ho-001/vault/session-log/2026-07-16-privileged-approval.md
tegwick 48443a9abb
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ops: apply approved host-operator remediations on railiance01 
Record operator approval and implement P1–P4: 4G swapfile, journald vacuum,
apt upgrade, and UFW lockdown of k3s API/flannel world-open rules. k3s node
Ready post-change; residual risk is still tight RAM.
2026-07-16 13:05:25 +02:00

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Human approval — privileged remediation batch

Engagement: eng-coulomb-railiance01-ho-001 Date: 2026-07-16 Approver: Bernd (operator) — via session instruction: “approve the suggested tasks… implement them” Agent: host-operator (grok session)

Approved items

ID Action Class
P1 Emergency swap file (~4G) on root FS privileged_ops
P2 journald vacuum to ~500M privileged_ops
P3 OS package upgrades (apt) + needrestart awareness package_upgrade
P4 Tighten UFW: remove world-open 6443/8472; allow k3s API from known operator IPs firewall_change

Explicit non-goals

  • Hardware RAM upgrade (provider console — not shell-implementable here)
  • Unilateral workload kill / pod deletion
  • Reboot unless needrestart shows kernel requires it and operator re-confirms mid-session

Rollback notes

  • P1: swapoff + remove swapfile + fstab line
  • P2: logs not recoverable
  • P3: package-specific rollback / restore
  • P4: re-add ufw allow 6443/tcp and 8472/udp if access breaks

Status

Approved for immediate implementation under host_observe + gated classes above.