absorb.md

Devops

Guillermo Rauch2Patrick Collison1Greg Brockman1
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CoreOS Workaround: Temporarily Remount /usr Writable to Install Kubernetes-Required Google Script

This script enables writing to CoreOS's read-only /usr by patching the rootfs superblock's ro_compat flag via dd to allow RW remount. It downloads and installs Google's safe_format_and_mount script to /usr/share/google/, required by Kubernetes for EBS volume handling, then restores RO state. Functio

Monit Configuration for Robust Unicorn Process Management with CPU, Load, and Socket Monitoring

This Monit configuration monitors a Unicorn Rails process via PID file, starting it with a specific config in production environment as deploy user. It triggers alerts on CPU >50% for 2 cycles, restarts on CPU >80% for 3 cycles, loadavg(5min) >10 for 8 cycles, or failed Unix socket connections with