> For the complete Linea documentation index, see [llms.txt](/llms.txt). > Agents can fetch this page as Markdown at [https://docs.linea.build/stack/how-to.md](https://docs.linea.build/stack/how-to.md). # Run and test This section contains guides for running and testing a [Lineth](/protocol/reference/zero-knowledge-glossary#lineth)**Lineth** (Formerly the Linea Stack) The open-source ZK-rollup stack, codebase, and technical protocol that's the foundation of Linea Mainnet. Operators can deploy this stack to launch their own Ethereum-compatible L2 or L3 networks. deployment. Detailed production operations for a given deployment can be confirmed with the [Lineth team](/support) in enterprise engagements. [ Run a local Lineth stack Start a local evaluation chain, deploy contracts, and verify finalization against a local L1 or Sepolia. ](/stack/how-to/run-local-lineth-stack)[ Set up distributed sequencing Run Maru in multi-validator QBFT mode, including monitoring Maru and upgrading validators. ](/stack/how-to/set-up-distributed-sequencing)[ Monitor a deployment Expose health and metrics endpoints, and watch finalization, data availability, and consensus signals. ](/stack/how-to/monitor-a-deployment)[ Enable forced transactions Intended design for submitting forced transactions. This feature is not live. ](/stack/how-to/enable-forced-transactions)[ Prepare for production Production operations require environment-specific guidance that is outside the scope of these docs. Contact support to review your operating model. ](/support) tip If you're still evaluating whether Lineth is the right stack for your use case, see [Evaluate Lineth](/stack/evaluate). To explore the components and architectural design choices, see [Deployment architecture](/stack/deployment).