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Setting up a Node

The prerequisite for becoming a validator is to set up a node and join a network as described here.

Recommended Hardware SpecificationsSystem requirements for the Casper Mainnet and Testnet
Basic Node ConfigurationProcesses and files involved in setting up a Casper node
Node EndpointsPorts for communicating with other nodes and dApps
Installing a NodeStep-by-step instructions to install a Casper node
Setting the Open Files LimitRequired setting for the Casper node to run correctly
Upgrading the NodeBefore joining the network, the node needs to be upgraded
Joining a Running NetworkSteps to join an existing Casper network
Setting up a Non-Root UserLogging into the node remotely using a key