# Page Not Found

The URL `developers/run-a-merlin-node-coming-soon/deployment-and-configuration/mainnet-fork9-upgrade-guideline` does not exist.

You might be looking for one of these pages:
- [Mainnet fork12 upgrade guideline](https://docs.merlinchain.io/merlin-docs/developers/run-a-merlin-node/deployment-and-configuration/mainnet-fork12-upgrade-guideline.md)
- [Deploy a validator node](https://docs.merlinchain.io/merlin-docs/developers/run-a-merlin-node/deployment-and-configuration/deploy-a-validator-node.md)
- [Deploy an erigon rpc for mainnet](https://docs.merlinchain.io/merlin-docs/developers/run-a-merlin-node/deployment-and-configuration/deploy-an-erigon-rpc-for-mainnet.md)
- [Deploy an erigon rpc for testnet](https://docs.merlinchain.io/merlin-docs/developers/run-a-merlin-node/deployment-and-configuration/deploy-an-erigon-rpc-for-testnet.md)
- [Deployment and Configuration](https://docs.merlinchain.io/merlin-docs/developers/run-a-merlin-node/deployment-and-configuration.md)

## How to find the correct page

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