Host Memory and CPU Troubleshooting: A Practical Playbook
A practical, host-level troubleshooting guide for diagnosing CPU and memory pressure using sysstat, procfs, and core Linux tools.
Recent Posts
Network Troubleshooting: A Practical, Layered Approach
A step-by-step approach to diagnosing network problems, focusing on isolating failure domains and validating assumptions layer by layer.
Host Storage Management: Capacity, Performance, and Failure Modes
A practical guide to managing host-level storage, focusing on capacity, performance characteristics, and the failure modes engineers actually encounter in pr...
Ansible: Practical Automation Without a Control Plane
A practical look at Ansible as a lightweight automation and configuration tool, focused on how it’s used in real systems and platform environments.
AWS CLI Notes: Inspecting IAM Accounts, Users, Groups, and Roles
Practical AWS CLI commands for inspecting IAM account state, users, groups, roles, and attached policies without relying on the AWS console.