SSL prievate key:
openssl genrsa -des3 -out www.linux4you.tk.key 1024

SSL CSR:
openssl req -new -key www.linux4you.tk.key -out www.linux4you.tk.csr

Self Signed SSL certificate:
openssl x509 -req -days 365 -in www.linux4you.tk.csr -signkey www.linux4you.tk.key -out www.linux4you.com.crt