Zufar's Notes
01 control plane
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2026
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Containers
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Kubernetes installation with k3s
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Exposing web services with frp-operator
Pointing CoreDNS at a reachable upstream resolver
A backup access path with Tailscale
Engineering Notes
Engineering Notes
Backend object access: use the internal endpoint, not the CDN
HTTP request header limits, and how to raise them
Certificate pinning: which to use
Create Kubeconfig from ServiceAccount
Building & Push Docker Image into Repository
CloudNativePG
CloudNativePG
CloudNativePG Learning
Simple Cluster
Increase Disk
Change StorageClass
Minor Postgresql Upgrade
Minor Postgresql Downgrade
WAL Storage
Syncronous Replica
Base Backup
Restore from Base Backup
Change Request limit of Postgresql
WAL Archival
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Upgrade Postgresql In Place Major
Migrate any Postgresql to CNPG
Major Upgrade with Logical Replication
Monitoring
Upgrading CNPG Operator
vcluster
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Simple vcluster
Custom control-plane SAN
Export kubeconfig to a Secret
ResourceQuota for the whole vcluster
Deploy manifests at startup
Deploy Helm charts at startup
VictoriaMetrics
VictoriaMetrics
VictoriaMetrics Learning
Sync Grafana dashboards from Git with the sidecar and ConfigMaps
KEDA
KEDA
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Cron
HTTP Scaler
Kubernetes Workload
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LLM from Scratch
LLM from Scratch
LLM from Scratch
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01 control plane
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