Guide for customizing live ISOs to add persistent storage or modify /etc configurations.

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There are some distributions which have a mechanism for creating live ISOs with persistent storage from a non-ISO partition on the same media, but it's distro-specific, and many distros do not have it. I wanted a distro-agnostic method to add /home persistence, and did not find much info about this. So I wrote a guide, in case it's helpful for anyone else.

This is what I came up with ad-hoc, so there may be better methods. It has, however, worked on a range of different distros, some of which were not debian based.

This method doubles as a way to customize live ISOs for your own needs, such as adding new files, or edit existing configuration files in /etc.

submitted by /u/ztgpsld
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