# Adding Ephemery to Lodestar: initial steps Steps taken: * Forked Lodestar * Ran `yarn` at root level * Added [pk910’s config updates](https://github.com/ChainSafe/lodestar/compare/unstable...pk910:lodestar:ephemery-testnet) to my Lodestar fork (thanks pk!) * Ran `yarn` again * Ran `yarn run build` * Launched Lodestar `./lodestar beacon --network ephemery` This recognises ephemery as a valid network option and Lodestar looks for the EL client! It fails because I'm not running Geth yet :) ![](https://hackmd.io/_uploads/H1zqSfT3h.png) **Next up:** - [ ] Review config - [ ] Run Geth (with latest ephemery release) - [ ] Review flags ``` --paramsFile=../ephemery/config.yaml --genesisStateFile=../ephemery/genesis.ssz --eth1.depositContractDeployBlock=0 --network.connectToDiscv5Bootnodes=true --discv5=true --eth1=true --eth1.providerUrls=http://localhost:8545 --execution.urls=http://localhost:8551 --rest=true --rest.address=0.0.0.0 --rest.port=4000 --bootnodes="enr:-Iq4QNMYHuJGbnXyBj6FPS2UkOQ-hnxT-mIdNMMr7evR9UYtLemaluorL6J10RoUG1V4iTPTEbl3huijSNs5_ssBWFiGAYhBNHOzgmlkgnY0gmlwhIlKy_CJc2VjcDI1NmsxoQNULnJBzD8Sakd9EufSXhM4rQTIkhKBBTmWVJUtLCp8KoN1ZHCCIyk,enr:-Iq4QIc297-de1P6hznMX2cIdVsQkve9BD9NUsJ7vVQa7eh5UpekA9rLid5A-yLiS3gZwOGugYZPi58x76zNs2cEQFCGAYhBJlTYgmlkgnY0gmlwhEFtmi6Jc2VjcDI1NmsxoQJDyix-IHa_mVwLBEN9NeG8I-RUjNQK_MGxk9OqRQUAtIN1ZHCCIyg,enr:-Ly4QFOgs-Bj6RyNZScUckbAUKi0HCZ4Q8ByBstNUyqL-xNgYoFUmpelagqYWtGAL4iwXlKp9eWL7OwaANe8-tbSyyMBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpDEOn59QAAQG___________gmlkgnY0gmlwhIe1jKiJc2VjcDI1NmsxoQJfnwZ3Q_sHMGIWEvq5OJY3eouCmvcbvjBDG3zWonlQT4hzeW5jbmV0cwCDdGNwgiNQg3VkcIIjUA" --jwt-secret=/tmp/jwtsecret ```