Running the command gives me these errors:
root@yr-design:~# openssl dhparam -out /etc/pki/tls/certs/dhparams.pem 4096
Can't open /etc/pki/tls/certs/dhparams.pem for writing, No such file or directory
140329455351104:error:02001002:system library:fopen:No such file or directory:../crypto/bio/bss_file.c:69:fopen('/etc/pki/tls/certs/dhparams.pem','w')
140329455351104:error:2006D080:BIO routines:BIO_new_file:no such file:../crypto/bio/bss_file.c:76:
root@yr-design:~#