how to install letodms in linux

[sappu]

i set core dir but still iam gettign error

Error
Core letoDMS directory : Not found
=> Current value : /var/www/html/letodms/LetoDms_Core/
=> Suggestion value : /var/www/html/letodms/
\

i rename LetoDms_Core to letoDMS then typed path in installer....then it work but only blank browser shows .......
nothing display in browser.

in ENABLE_INSTALL_TOOL file nothing is edited ...