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kaizen-agentic/engagements/pilots/eng-coulomb-railiance01-ho-001/vault/handoff/risks.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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Outstanding risks — eng-coulomb-railiance01-ho-001

Risk Severity Mitigation / owner Status
RAM still 3.8G; swap heavily used (~1.9G/4G) High Provider RAM upgrade open
Load still elevated (~6 on 2 cores) Medium Reduce concurrent workloads; capacity open
Stale user sessions after apt upgrade Low Re-login SSH open
UFW 6443 allowlist may miss new admin IPs Medium Add ufw allow from <ip> to any port 6443 proto tcp open
8472 closed externally Low Re-open if multi-node flannel peers appear accepted (single-node)
fwupd.service failed restart during upgrade Low Investigate if firmware tooling needed open