troubleshooting
7 posts found
The Evolution of Linux Process Triage: From Pipelines to Context Trees
Tracing rogue processes and open socket descriptors on Linux has evolved from manual procfs shell pipelines to unified context trees.
Interview: The Operational Pitfalls of Streaming Data Pipelines
Distributed systems architect Elena Rostova breaks down the operational risks of replacing batch jobs with real-time stream processing, from state backfills to …
Stadia RAT Workstation Triage: An Inspection Checklist for Stolen Credential Incidents
Stadia RAT combines StealC credential theft with hidden desktop access and interactive shells. Use this 10-point triage checklist to inspect Windows endpoints b…
The Evolution of Large-Scale MySQL Batch Mutations
How engineering teams transitioned from locking UPDATE queries and trigger tables to resumable cursor queues and adaptive throttle loops to safeguard live produ…
Tracing Process Ancestry and Orphan Daemons with witr
When an unexpected process binds a port or consumes memory, standard Linux tools show current state without explaining origin. Here is how witr reveals the full…
witr: Tracing Process Start Chains
ps and lsof show what is running, not why. witr walks the ancestry: PID to supervisor to the script that started it, in one chain.
BGP Flowspec False Positives: When DDoS Filters Block Legitimate Traffic
Flowspec rules are coarse-grained. They catch attack traffic and legitimate traffic alike. How to monitor, whitelist, and protect your critical services from co…