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README: Minor cache amount fix, mention Rinkeby

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Péter Szilágyi 2018-02-10 12:49:12 +02:00 committed by GitHub
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@ -81,9 +81,8 @@ network with your node, which is fully equivalent to the main network, but with
$ geth --testnet console
```
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.
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:
@ -100,6 +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:
@ -126,7 +133,7 @@ docker run -d --name ethereum-node -v /Users/alice/ethereum:/root \
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.