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# KalyChain Setup for Nodes, Validators & RPC Services
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- Visit [What is KalyChain](https://kalychain.io/) page to know more about us.
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This page contains technical information needed to add a node on KalyChain
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## System requirements
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**Operating System**: Ubuntu 20.04 LTS 64 bits
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**Hardware**:
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| Hardware | minimum | desired |
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| :------------- | :------ | :------ |
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| **CPU's**: | 2 | 4 |
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| **Memory**: | 4 Gb | 8 Gb |
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| **Hard Disk**: | 100 Gb | 1000 Gb |
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### TCP/UDP PORTS
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You'll need to open the following ports in both ways to deploy a node:
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#### Validator Node
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| Port | Type | To | Definition |
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| :---: | :--: | :-----------: | :------------------------------------------- |
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| 30303 | TCP | 0.0.0.0 | Ethereum client listener and discovery ports |
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| 30303 | UDP | 0.0.0.0 | Ethereum client listener and discovery ports |
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#### Regular/RPC Node
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| Port | Type | To | Definition |
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| :---: | :--: | :---------------------------------: | :------------------------------------------- |
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| 30303 | TCP | 0.0.0.0 | Listener and discovery ports |
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| 30303 | UDP | 0.0.0.0 | Listener and discovery ports |
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| 8545 | TCP | 0.0.0.0 (this can be internal only) | RPC HTTP Port |
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| 8546 | TCP | 0.0.0.0 (this can be internal only) | RPC WS Port |
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## Installation & configuration
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### Server Setup
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Start with server setup in the _server_ directory
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- [Server Setup Guide](server/setup.md)
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### Regular node
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Use the _regular_ directory
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- [Regular node Installation Guide](regular/Configuration&Installation.md)
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### RPC node
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Use the _rpc_ directory
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- [RPC and WebSocket Guide](rpc/Configuration&Installation.md)
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### Validator node
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Use the _validator_ directory
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- [Validator node Installation Guide](validator/Installation.md)
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## Important links
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- [Mainnet Block Explorer](http://kalyscan.io)
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- [Testnet Block Explorer](http://testnet,kalyscan.io/)
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- [Download KalyChain Binary](https://github.com/KalyCoinProject/kalychain/releases/download/22.10.3/kaly-22.10.3.zip)
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