This is to fix installing on ubuntu #6.
MaxPermSize is causing the below issue and lowering it to 512m solved the problem.
bin/run.sh: line 27: /home/some_user/git/hackpad/bin/ooffice.sh: no such file or directory
Maximum ram: 1656M
Maximum thread count: 276
Using config file: ./etc/etherpad.local.properties
Error occurred during initialization of VM
Could not reserve enough space for object heap
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