Ethereum Genesis Block Private Network

Question

I am trying to mine on a private network.

How does one go about creating a genesis block for a private network in frontier ethereum?

I have seen: https://blog.ethereum.org/2015/07/27/final-steps/ but this is to get the public Genesis block.

Answer 1

{
    "nonce": "0x0000000000000042",
    "difficulty": "0x000000100",
    "alloc": {

    },
    "mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "coinbase": "0x0000000000000000000000000000000000000000",
    "timestamp": "0x00",
    "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "gasLimit": "0x16388"
}