Below are the permissions needed to run the magento, run each command one by one

find . -type f -exec chmod 644 {} /;                     // 644 permission for files

find . -type d -exec chmod 755 {} /;                      // 755 permission for directory

find ./var -type d -exec chmod 777 {} /;             // 777 permission for var folder

 
find ./media -type d -exec chmod 777 {} /;         //   777 permission for media folder

chmod 777 ./app/etc                                 //   777 permission for etc folder

chmod 644 ./app/etc/*.xml                                //   644 permission for xml files