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As @fixanoid stated in his answer you can change the gas limit in the genesis.json. But this isn't an optimal solution in my opinion. You are better off using a specific flag for your miner. Geth has the --targetgaslimit flag that will cause your miner(s) to move step by step towards a given gas limit. Only a certain increase is allowed per block. ...


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Answer is to update genesis.json to include eip150Block: { "config": { "chainId": 4777, "homesteadBlock": 0, "eip150Block": 0, "eip155Block": 0, "eip158Block": 0 }, "alloc" : {}, "difficulty" : "0x400", "extraData" : "", "gasLimit" : "0x7A1200", "parentHash" : "...


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rinkeby is a public test network. If you type geth help, you'll see a number of public networks you can connect to, such as rinkeby, ropsten, goerli public test networks. If you don't specify a network, geth will connect to the public main net. You can check the Private Network Tutorial to see how to set up and connect to a private network.


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3 things to try: Avoid using unstable versions, switch to the last stable Elasa (v1.9.6) You may have to increase the gas a bit when deploying contracts, because of new versions of solidity where gas calculation changes Using a gas price oracle is sometimes needed


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