Note
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Recap
In our previous article (How to Use Ethereum Optional Flags with New Chains), we discussed what Ethereum Optional Flags are and how to use them.
In this article, we learn what Ethereum Options are for application development and testing.
Ethereum options
Ethereum options are widely used in development and testing, especially in setting up a private blockchain. We have encountered quite a few in the previous article:
–datadir and –identity are the Ethereum options we used when setting up our local blockchain.
- –networkid specifies the network ID:
- 1 is the default value, referring to the Frontier network.
- 2 stands for a disused Morden network.
- 3 is the Ropsten network.
- 4 is the Rinkeby network.
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Separately, Geth provides the following alternate options too:
- –testnet: This option will let you connect to the PoW Ropsten network.
- –rinkeby: This option supports the proof-of-authority Rinkeby network.
- –syncmode: This defines the fast, full, and light sync modes.
- –whitelist: This takes block number-to-hash mappings. It requires a comma- separated <number>=<hash> format. The whitelist allows you to specify the block hash mappings the chain must have. Peers not on the whitelist will be rejected.
The following Ethereum options are also available:
- –config
- –keystore
- –nousb
- –gcmode
- –ethstats
- –lightserv
- –lightpeers
- –lightkdf
Please use geth help/h to look them up, and get yourself familiar with them.
Next Article
In our next article (Review of Ethereum Developer Chain Options), we discuss what Ethereum Chain Options are and how to use them.
This article is written in collaboration with Brian Wu who is a leading author of “Learn Ethereum: Build your own decentralized applications with Ethereum and smart contracts” book. He has written 7 books on blockchain development.
Resources
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Self-Paced Blockchain Courses
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Articles and Tutorials on Ethereum and Solidity
If you like to learn more about blockchain development in Ethereum with Solidity, reading the following articles and tutorials is highly recommended:
- Review of Architecture and Components of Ethereum
- Comprehensive Blockchain Ethereum Developer Guide from Beginner to Advance Level
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- Review of Architecture and Components of Ethereum
- How Ethereum Manages Accounts
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- List of Tools and Technologies in Ethereum Ecosystem
- Review of challenges in distributed systems
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- How Plasma Chains Work in Ethereum
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- A roadmap for Implementing Ethereum 2.0
- How to work with Decentralized Data and Content Storage in Ethereum
- How Decentralized Messaging with Whisper Works in Ethereum
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- Review of Infura Ethereum API
- How to Use Remix with Infura for Ethereum Development
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- How to Install and Start Ethereum IPFS Storage
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- How to Work with Ethereum Swarm Storage
- How to Install Ethereum Swarm Storage
- How to Handle Ethereum Messages with Whisper
- Review of Popular Ethereum Smart Contract Libraries
- Review of Private and Permissioned blockchain
- How to Set up a Local Private Ethereum Blockchain
- How to Run Geth on a Local Private Ethereum Blockchain
- How to Build a Local Private Ethereum Blockchain with Mining
- How to Run Geth on a Local Private Ethereum Blockchain with Mining
- How to Create an Account on a Local Private Ethereum Blockchain
- How to Use Ethereum Optional Flags with New Chains
- Review of Ethereum Options for Development and Testing
- Review of Ethereum Developer Chain Options
- Review of Ethereum API and Console Options
- Review of Ethereum Networking Options
- Review of Ethereum Transaction Pool Options
Articles and Tutorials on Hyperledger Family
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- Introduction to Hyperledger Architecture, Projects, Tools and Libraries
- Complete Review of Hyperledger Fabric Architecture and Components
- Hyperledger Fabric for System Administers versus Developers
- How to use Prometheus and Grafana to monitor Hyperledger Fabric
- Blockchain Developer Guide- How to Install Hyperledger Fabric on AWS
- Blockchain Developer Guide- How to Install and work with Hyperledger Sawtooth
- Blockchain Developer Guide- How to Install Hyperledger Burrow on AWS
- Blockchain Developer Guide- How to Install Hyperledger Iroha on AWS
- Blockchain Developer Guide- How to Install Hyperledger Indy and Indy CLI on AWS
- Blockchain Developer Guide- How to Install Hyperledger Seth and Docker on AWS
- Blockchain Developer Guide- How to Configure Hyperledger Sawtooth Validator and REST API on AWS
- Blockchain Developer Guide- How to Build Transaction Processor as a Service and Python Egg for Hyperledger Sawtooth
- Blockchain Developer Guide- How to Deploy Ethereum Smart Contracts with Hyperledger Burrow
- Blockchain Developer Guide- How to Create Cryptocurrency Using Hyperledger Iroha CLI
- Blockchain Developer Guide- How to Explore Hyperledger Indy Command Line Interface
- Blockchain Developer Guide- Comprehensive Blockchain Hyperledger Developer Guide from Beginner to Advance Level
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Articles and Tutorials on R3 Corda
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Articles and Tutorials on Other Blockchain Platforms
If you like to learn more about blockchain development in other platforms, reading the following articles and tutorials is highly recommended: