n8n Tutorial: 7 AI Agent Workflows for DevOps & Security
n8n in 2026 is an agent runtime. Seven supervised workflows for DevOps and security, plus building them from Claude Code...
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Ruby for DevOps: Auditing Windows RDP Hardening from the Registry (NLA, TLS, Timeouts, Firewall Scope)
the shed // ruby x windows // security Exposed Remote Desktop is still the most common way ransomware gets in....
AI News Roundup, Sep 11: Google ADK Gets a 10.0 CVE
AI news roundup for Sep 11: a CVSS 10.0 CVE in Google ADK, DOJ probes the Nvidia-Groq deal, Christiano joins...
Ruby for DevOps: Reclaiming Gigabytes of Stale Windows User Profiles with WMI
the shed // windows // wmi Every contractor, intern and one-off RDP login leaves a C:\Users\<name> folder behind, and on...
Ruby for DevOps: A Policy-Driven Stale File Cleaner (the find -delete You Can Trust)
the shed // ruby x linux // filesystem find /tmp -mtime +7 -delete has no dry-run with sizes, no per-directory...
Long-Running Task Handoffs: Survive the Shift Change
Automated long-running task handoffs give AI agents a durable ledger so multi-day migrations survive context resets, restarts, and the 2...
Ruby for DevOps: Catching NIC Errors and Drops Before Users Notice, Straight From /proc/net/dev
the shed // linux // networking ip -s link shows lifetime counters, which is useless at 3 AM. What you...
Ruby for DevOps: A TCP Connection-State Monitor That Reads /proc/net/tcp Directly
the shed // ruby x linux // networking When a box gets slow, the first question is who is connected...
GitHub Copilot CLI Tutorial: 7 DevOps and Security Workflows
Install GitHub Copilot CLI, then use plan mode, custom agents, hooks, and headless CI runs for 7 practical DevOps and...
Ruby for DevOps: A journald Error Digest That Ranks Real Problems, Not Log Lines
the shed // linux // journald journalctl -p err gives you 4,000 lines; what you actually need is the six...