Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.
Learn how to diagnose Zabbix database bottlenecks, tune history cache, and restore inactive pollers with practical procedures.
Learn how to inject controlled network instabilities into Docker environments using Netem and namespaces to test microservices.
Learn how to inspect TCP and UDP traffic, open console sockets, and troubleshoot firewall blocks practically using the Ncat tool.
Learn how to diagnose and resolve latency issues, lookup failures, and UDP connection exhaustion in CoreDNS within your Kubernetes cluster.
Learn how to calculate real power factor, battery runtime, and surge protection to keep your local servers and storage racks safe during power outages.
Discover how Linux kernel utilities allow you to limit bandwidth and inject jitter to test the resilience of distributed applications in a lab.
Learn how to monitor legacy switches, routers, and servers by converting SNMP MIB data into structured time-series metrics in Prometheus.
Discover how to trace container network flows using iptables and eBPF to diagnose bottlenecks in Kubernetes environments without overloading the master node.
Learn how to craft custom network packets in Linux using Scapy to test the effectiveness of corporate firewalls and detect traffic anomalies.
Tired of sluggish automations and cloud dependency? Learn how to set up a robust, local MQTT broker for your Home Assistant setup.
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