It did work? The guide provided above is for Testnet only; if you apply the guide above in Mainnet, I don't think it would work.
Usually you need to run a mining pool because it requires a stratum protocol if you want to mine solo.

Just in case if you want to try running your own pool, you can try any of these below

- https://github.com/tpruvot/yiimp
- https://github.com/jtoomim/p2pool

Or the one provided by -ck posted here https://bitcointalk.org/index.php?topic=790323.0