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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 29 |
1 files changed, 17 insertions, 12 deletions
@@ -56,16 +56,14 @@ the user doesn't care about years-old historical data, so we can fast-sync quick state of the network. To do so: ``` -$ geth --fast --cache=512 console +$ geth console ``` This command will: - * Start geth in fast sync mode (`--fast`), causing it to download more data in exchange for avoiding - processing the entire history of the Ethereum network, which is very CPU intensive. - * Bump the memory allowance of the database to 512MB (`--cache=512`), which can help significantly in - sync times especially for HDD users. This flag is optional and you can set it as high or as low as - you'd like, though we'd recommend the 512MB - 2GB range. + * Start geth in fast sync mode (default, can be changed with the `--syncmode` flag), causing it to + download more data in exchange for avoiding processing the entire history of the Ethereum network, + which is very CPU intensive. * Start up Geth's built-in interactive [JavaScript console](https://github.com/ethereum/go-ethereum/wiki/JavaScript-Console), (via the trailing `console` subcommand) through which you can invoke all official [`web3` methods](https://github.com/ethereum/wiki/wiki/JavaScript-API) as well as Geth's own [management APIs](https://github.com/ethereum/go-ethereum/wiki/Management-APIs). @@ -80,12 +78,11 @@ entire system. In other words, instead of attaching to the main network, you wan network with your node, which is fully equivalent to the main network, but with play-Ether only. ``` -$ geth --testnet --fast --cache=512 console +$ geth --testnet console ``` -The `--fast`, `--cache` flags and `console` subcommand have the exact same meaning as above and they -are equally useful on the testnet too. Please see above for their explanations if you've skipped to -here. +The `console` subcommand have the exact same meaning as above and they are equally useful on the +testnet too. Please see above for their explanations if you've skipped to here. Specifying the `--testnet` flag however will reconfigure your Geth instance a bit: @@ -102,6 +99,14 @@ over between the main network and test network, you should make sure to always u for play-money and real-money. Unless you manually move accounts, Geth will by default correctly separate the two networks and will not make any accounts available between them.* +### Full node on the Rinkeby test network + +The above test network is a cross client one based on the ethash proof-of-work consensus algorithm. As such, it has certain extra overhead and is more susceptible to reorganization attacks due to the network's low difficulty / security. Go Ethereum also supports connecting to a proof-of-authority based test network called [*Rinkeby*](https://www.rinkeby.io) (operated by members of the community). This network is lighter, more secure, but is only supported by go-ethereum. + +``` +$ geth --rinkeby console +``` + ### Configuration As an alternative to passing the numerous flags to the `geth` binary, you can also pass a configuration file via: @@ -125,10 +130,10 @@ One of the quickest ways to get Ethereum up and running on your machine is by us ``` docker run -d --name ethereum-node -v /Users/alice/ethereum:/root \ -p 8545:8545 -p 30303:30303 \ - ethereum/client-go --fast --cache=512 + ethereum/client-go ``` -This will start geth in fast sync mode with a DB memory allowance of 512MB just as the above command does. It will also create a persistent volume in your home directory for saving your blockchain as well as map the default ports. There is also an `alpine` tag available for a slim version of the image. +This will start geth in fast-sync mode with a DB memory allowance of 1GB just as the above command does. It will also create a persistent volume in your home directory for saving your blockchain as well as map the default ports. There is also an `alpine` tag available for a slim version of the image. Do not forget `--rpcaddr 0.0.0.0`, if you want to access RPC from other containers and/or hosts. By default, `geth` binds to the local interface and RPC endpoints is not accessible from the outside. |