Q: Why does linux install require fixed installation paths?
A: Per the documentation:
"For Linux, several fixed installation paths are used:
You can remap the content-repository store, but in the case of the core installation components, Novell complies with the LSB standard for linux installations.
For more information about LSB see http://www.linuxfoundation.org/en/LSB
Source: TID 7000722
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It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test, test, test before you do anything drastic with it.