Cloud computing
Google Cloud storage: Cloud Storage, persistent disks and Filestore
Store data on Google Cloud: Cloud Storage (classes, regional, dual-region and multi-region locations, lifecycle, versioning, uniform access, signed URLs),…
Guides & insights
A library for curious minds
Observability
OpenTelemetry semantic conventions (semconv): naming telemetry
Understand and apply OpenTelemetry semantic conventions: resource, HTTP, database, messaging and GenAI attributes, span and metric names, units, stability…
Systems & Linux
Networking on Linux: configuration, diagnosis, firewall and SSH
Configure and troubleshoot Linux networking: ip, ss, netplan and NetworkManager, DNS, layered diagnosis with ping, dig, curl, tcpdump, nftables, ufw and f…
Observability
VictoriaMetrics cluster: vminsert, vmselect, vmstorage and multi-tenancy
The VictoriaMetrics cluster architecture: the roles of vminsert, vmselect and vmstorage, data distribution and replication, multi-tenant URLs, sizing and …
Proxy & networking
Mastering ACLs in HAProxy: the complete guide
A complete guide to HAProxy ACLs: learn how to configure smart routing, IP-based access control, geolocation, and header and User-Agent analysis to secure…
Proxy & networking
Mastering ACLs in HAProxy
A complete guide to HAProxy ACLs: learn how to configure smart routing, IP-based access control, geolocation, and header and User-Agent analysis to secure…
Observability
Dynatrace: mastering entity selectors for observability at scale
Discover the strategic importance of entity selectors, master their advanced syntax, and adopt the golden design rules for dynamic, scalable filtering.
Learning never stops