mem-pressure-monitor: Detect Real Memory Pressure Before the OOM Killer Does
the shed // ruby for devops “90% memory used” means nothing on its own — the kernel happily eats spare...
Stateful Windows Event Log Monitoring in Pure Ruby
the shed // ruby + wmi Re-scanning the whole Windows Event Log every cron run either misses nothing-changed windows or...
Stop Hand-Editing Crontab: A Safe, Idempotent Ruby Cron Job Manager
the shed // linux // cron & scheduling Hand-editing crontab -e on a shared box is one typo away from...
Watching systemd So Cron Doesn’t Have To: A Ruby Unit Watchdog
the shed // ruby + systemd A crash-looping service is bad. A crash-looping service that also crash-loops your restarts is...
Catching Expired TLS Certificates Before Your Customers Do: A Ruby Certificate Monitor
the shed // tls & pki A lapsed certificate is one of the few outages that’s entirely predictable and entirely...
28 Minutes vs. 2 Hours: AI Incident Triage Meets Ruby’s YJIT Leap
Live from Tha Shed // 2026-08-08 28 Minutes vs. 2 Hours: AI Incident Triage Meets Ruby’s YJIT Leap Two things...
Ruby for DevOps: Automated Git Branch Hygiene with git_branch_hygiene.rb
the shed // ruby / devops / git / fleet automation Two years into a project, git branch stops being...
Ruby for DevOps: Declarative Windows Service Reconciliation with winservice_manager.rb
the shed // ruby / devops / windows / wmi Bringing 40 print servers back in line with a documented...
Ruby for DevOps: De-Duplicated, Rate-Limited Webhook Alerting with alert_notifier.rb
the shed // ruby / devops / alerting Every homegrown check script eventually asks the same question: who do I...
Ruby for DevOps: Auditing SSH authorized_keys Hygiene Across a Fleet
the shed // ruby devops Walks a fleet of home directories, parses every authorized_keys entry against the real sshd wire...