I tried to install Pier in a hostgator plan, but I went click next to check requeriments I got this error:
Notice: ob_end_clean() [ref.outcontrol]: failed to delete buffer zlib output compression
In file environment/functions/general.php:327
while (ob_get_level()) ob_end_clean()
So I change the line to:
And I could do install whitout problems.
I hope that this help you.