- utun_update.sh: Shell script for updating single instance
* fast mode: git pull + make clean + make
* full mode: complete rebuild with autotools
* Auto-detects project root from script location
* Handles PID-based process stop/start
* Supports Linux and BSD (nproc/sysctl)
* Returns proper exit codes (0-4)
- mass_update.py: Python script for parallel SSH updates
* Parallel execution via ThreadPoolExecutor
* Configurable via JSON (~/.utun_servers.json)
* Supports custom port/user per server
* Timeout and error handling
* Summary output per server
Tools for remote mass deployment of uTun updates via SSH.
Evgeny