[Ubuntu 13.04 64-bit] cant install penumbra

[baselsayeh]

Hello

first time trieng to play penumbra on linux

basel@ubuntu:~/test$ ./startupinstaller.sh
Collecting info for this system...
Operating system: linux
CPU Arch: x86_64
Warning: No installer for "x86_64" found, defaulting to x86...
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
Error: Couldn't find any suitable frontend for your system
basel@ubuntu:~/test$ sudo ./startupinstaller.sh
Collecting info for this system...
Operating system: linux
CPU Arch: x86_64
Warning: No installer for "x86_64" found, defaulting to x86...
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
./startupinstaller.sh: 29: ./startupinstaller.sh: bin/linux/x86/libc.so.6/lzma-decode: not found
Error: Couldn't find any suitable frontend for your system
basel@ubuntu:~/test$

any help?