# Hello Solana (Anchor) Create an empty folder and complete all tasks below - Build - Test locally - Deploy to Devnet # Build Initialize a new Anchor project in an empty folder ```shell anchor init hello --test-template rust ``` Optionally update program id ```shell anchor keys sync ``` ```shell anchor build ``` # Test ```shell anchor test ``` Sometimes test fails for no apparent reason. Usually resetting Anchor fixes the issue. ```shell anchor clean ``` # Deploy to Devnet Update `Anchor.toml`, set `cluster` to `Devnet` ``` [provider] cluster = "Devnet" wallet = "~/.config/solana/id.json" ``` ```shell solana config set -ud solana balance # Airdrop if wallet balance is low solana airdrop 1 anchor build anchor deploy ``` Close program to reclaim SOL ```shell solana program close $PROGRAM_ID ```