Technology
Routing Nightmares in a Multi-Cloud Network Mesh: Managing the…
Routing pain in Multi-Cloud Network Mesh setups, the complexity behind it, and how to climb out of these nightmares with practical solutions and…
Blog
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Technology
Model Drift and Automated Rollback in Edge AI Operations
Discover the causes and types of model drift in Edge AI systems, plus how to handle the problem with automated rollback mechanisms.
Technology
Isolating Bad Nodes with Envoy Outlier Detection
Threshold, signal and rollback discipline for Envoy outlier detection — shrinking the blast radius of broken nodes in distributed systems.
Life
Escaping the Retry Storm: Data Consistency in Distributed Systems…
Examine the difficulties of achieving real-time data consistency in distributed systems, plus traps like the 'retry storm' that you need to avoid.
Technology
State Management With Event Sourcing in Cloud Native Distributed…
We dive into state management strategies and the challenges that come with using event sourcing in cloud native distributed systems.
Life
The Single-Expert Trap: The Cost of Operational Dependency
Learn the operational risks of depending on a single expert and how you can break free from this trap.
Tutorials
Kernel Tuning and eBPF Defense Against SYN Flood Attacks
Learn how to harden your servers against SYN Flood attacks with kernel tuning and eBPF. This in-depth guide walks through deep technical…
Tutorials
Canary Deployments on Cloud Native Infrastructure and the…
Explore the Deployment Blackhole problems frequently encountered during canary deployments on cloud-native infrastructure, along with proposed remedies.
Tutorials
Session Recording on the Bastion: tlog + sudo I/O + SSH Audit Pipeline
Making privileged access visible on the bastion: tlog/sudo I/O logging, the access model and a SIEM pipeline.
Tutorials
Cache Stampede in Front of the CDN: Origin Server Loading Wars
Explore the Cache Stampede problem in front of CDNs, its causes, and effective strategies to avoid overloading the origin server.
Technology
Cloud Database Replication: Strategies for High Availability
Learn database replication strategies in cloud environments. Best methods for high availability, data security, and performance gains.
Technology
Hunting Silent Packet Loss During MLAG Failover
A signal set, failover testing playbook, and operational decision tree for tracking down silent packet loss in MLAG and LACP topologies.
Technology
Cloud Cost Optimization: A Real-World Case Study and Success…
Get to know cloud cost optimization through a real-world case study and successful strategies. In-depth notes from Mustafa Erbay.
Technology
Syslog on Network Devices: TLS, Buffering, and Log Storm
A model for turning syslog loss and log storm risk into a reliable log channel for incident/audit, using TLS/relay, disk-backed queue, and rate limiting.
Technology
Kubernetes Pod Security: Invisible Battles with Network Policies
Discover the power of Network Policies for securing pod-to-pod networking in Kubernetes. Effective answers to invisible threats.
Technology
Protecting Router & Switch Control Plane with CoPP/CPP…
A CoPP/CPP model that classifies and polices routing, management, and ICMP traffic on the router/switch control plane to reduce CPU exhaustion and adjacency…
Technology
OSPF/IS-IS Authentication: Block Rogue Neighbors in the Routing Domain
Reducing the risk of rogue neighbors and route injection in the routing domain through OSPF/IS-IS authentication, key rotation, and control-plane hardening.
Life
Middle-of-the-Night Zero-Day: Leadership Lessons from a Team in Crisis
Learn how to put your leadership skills to work when an unexpected zero-day vulnerability triggers a team crisis in cybersecurity. Crisis management...
Life
Communication During Operational Crises: Lessons from the Field
Strengthen your crisis management with effective communication strategies during operational crises and lessons drawn from the field.
Tutorials
Core Dump Management and Privacy Runbook with systemd-coredump
Collecting core dumps in production: limits, retention, encryption, access and a practical runbook for safe analysis during an incident.
Tutorials
Clock Drift in Distributed Systems: The Hidden Danger of Time
Discover the critical importance of time synchronization in distributed systems and the hidden dangers caused by clock drift. Explore NTP, PTP, logical…
Tutorials
Defense Strategies Against Kubernetes DNS Cache Poisoning
Learn effective defense strategies against DNS cache poisoning attacks in Kubernetes environments. Discover methods to strengthen your security.
Tutorials
Secure Network Device Monitoring with SNMPv3: Auth, Encryption, ACL
A guide to leaving SNMPv2c community strings behind and making network device monitoring secure and operable with SNMPv3 authPriv, views and ACLs.
Tutorials
Kubernetes Pod-to-Pod Network Policies Battles: Securing the Mesh…
Learn step by step how to secure pod-to-pod network communication in Kubernetes with Network Policies. A detailed guide with examples.