Introduction

nodeos is the core service daemon that runs on every EOSIO node. It can be configured to process smart contracts, validate transactions, produce blocks containing valid transactions, and confirm blocks to record them on the blockchain.

Installation

nodeos is distributed as part of the EOSIO software suite. To install nodeos, visit the EOSIO Software Installation section.

Explore

Navigate the sections below to configure and use nodeos.

• Usage - Configuring and using nodeos, node setups/environments.
• Plugins - Using plugins, plugin options, mandatory vs. optional.
• Replays - Replaying the chain from a snapshot or a blocks.log file.
• Logging - Logging config/usage, loggers, appenders, logging levels.
• Upgrade Guides - EOSIO version/consensus upgrade guides.
• Troubleshooting - Common nodeos troubleshooting questions.

[[info	Access Node]]
	A local or remote EOSIO access node running nodeos is required for a client application or smart contract to interact with the blockchain.