Preseed your PBX for Fun and Profit

" summary

Describes migrating FreePBX (an Asterisk-based PBX) from CentOS to a Debian 12–based distro and how Sangoma built a custom preseeded installer ISO. Covers their GPLv2 Ansible role sngfd12 for generating a preseeded ISO from the stock Debian ISO, a GRUB “spice level” method to select preseeds at boot, automated partitioning/RAID/resize techniques for partman, and techniques for randomized password generation during installation.

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