SysAdmin
Diagnose Linux disk pressure from evidence
Turn filesystem, inode, and directory-size evidence into a read-only-first diagnosis.
Account
Prompt packs
Prompts that produce operationally useful answers.
Source-grounded prompt packs with variables, output contracts, and realistic examples.
- Results
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30 of 30 prompt packs
SysAdmin
Triage sustained Linux CPU saturation
Separate process pressure, I/O wait, steal time, and load-queue symptoms.
Coding
Explain a shell error without guessing
Convert a command, stderr, and exit code into a sourced, testable explanation.
SysAdmin
Analyze a failed systemd service
Correlate unit state, journal excerpts, dependencies, and restart behavior.
DevOps
Diagnose an NGINX 502 response
Differentiate connection refusal, timeout, invalid upstream response, and DNS resolution.
DevOps
Triage a DNS resolution outage
Compare client resolver, authoritative answers, delegation, and transport evidence.
Security
Explain a TLS handshake failure
Separate certificate, name, chain, protocol, cipher, and time problems.
SysAdmin
Diagnose an SSH connection failure
Interpret negotiation, host-key, authentication, and network failures from verbose SSH output.
DevOps
Investigate a Docker restart loop
Correlate exit code, OOM state, health checks, logs, and restart policy.
DevOps
Triage Kubernetes CrashLoopBackOff
Combine pod status, previous logs, events, probes, and resource limits.
Data
Review a PostgreSQL slow-query plan
Explain plan nodes, cardinality errors, I/O, sorts, and safe measurement priorities.
Data
Diagnose MySQL replication lag
Interpret replica threads, source position, relay log, and workload symptoms.
SysAdmin
Analyze unexpected Exim queue growth
Group queue age, sender, recipient domain, retry reason, and delivery status.
SysAdmin
Explain a Postfix delivery failure
Correlate queue ID, SMTP status, relay, DSN, and retry classification.
SysAdmin
Diagnose Dovecot authentication failures
Separate user lookup, password verification, TLS, and protocol-layer failures.
Security
Review a firewall change safely
Assess management access, rule ownership, ordering, rollback, and verification.
SysAdmin
Correlate multi-service incident logs
Build a timestamped evidence chain without merging unrelated errors.
DevOps
Plan a zero-downtime deployment
Turn a service topology into staged rollout, health, rollback, and stop conditions.
DevOps
Create an operational rollback plan
Define checkpoints, evidence, ownership, and executable rollback criteria.
DevOps
Review a Terraform plan
Prioritize destructive replacements, identity changes, network exposure, and state risk.
Security
Security-review an automation script
Check input trust, quoting, secrets, privileges, downloads, and destructive paths.
Documentation
Write an evidence-based incident timeline
Convert mixed observations into an auditable UTC timeline with gaps and confidence.
Security
Redact diagnostic output before sharing
Identify credentials, tokens, private addresses, identities, and customer data while preserving structure.
Documentation
Draft a read-only-first incident runbook
Create entry criteria, evidence steps, decisions, stop conditions, verification, and rollback.
Coding
Review a Bash script for correctness
Inspect quoting, expansions, pipelines, error handling, portability, and cleanup.
Coding
Review a PowerShell script
Inspect parameter binding, pipeline objects, error semantics, quoting, and compatibility.
Data
Plan a safe SQL schema migration
Sequence compatibility, backfill, validation, cutover, and rollback for production.
Coding
Choose a safe Git recovery path
Distinguish working tree, index, local commits, published history, and reflog recovery.
UI/Design
Review a UI for accessibility
Evaluate semantics, keyboard flow, focus, contrast, motion, names, and error handling.
Product
Turn requirements into a decision-complete implementation plan
Resolve interfaces, dependencies, failure modes, tests, migration, and rollout.