quick help with vps(need help unziping kminer)

i have kminer unzipped but realy need help installing it i keep getting

Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
chmod: cannot access `run.sh': No such file or directory
chmod: cannot access `compile.sh': No such file or directory
chmod: cannot access `run-linux.sh': No such file or directory

thanks