Nginx Zero Downtime Upgrade Support in 123.09beta01

Nginx Zero Downtime Upgrades

Added optional support for Nginx zero downtime on the fly upgrades of nginx binary. Full details at Beta Branch - Nginx Upgrade - zero downtime mode

To update your Centmin Mod 123.09beta01 build follow instructions for centmin.sh menu option 23 method at centminmod.com/upgrade.html and respective version threads below:

• Centmin Mod 123.09beta thread
• Example of centmin.sh menu option 23 git updating code.