DAILYOPS / FIELD NOTES
Field Experience
Production war stories, incident post-mortems, and lessons learned from high-stakes environments.
BGP Route Leak at a Provider
A route leak absorbed 40% of our outbound traffic. Diagnosis via RPKI and AS-PATH filter implementation in 45 minutes.
Live Proxmox -> Ceph Migration
NFS to Ceph storage migration on a production Proxmox cluster, zero downtime. Lessons learned.
Detecting Lateral Movement via SIEM
How a custom SIEM rule detected lateral movement following a successful phishing attack on a service account.
Major network outage: BGP hijacking detected in 15 minutes
How we identified and resolved a BGP hijacking incident affecting 40% of traffic through proactive monitoring.
Datacenter migration to AWS: 500 VMs in 72h with zero downtime
Critical migration success story: planning, tools used (CloudEndure), validation, and rollback management.
Kubernetes optimization: from 200ms to 15ms latency
Analysis and resolution of performance issues on a production K8s cluster: network policies and CNI tuning.