* NPM configs * CPU vs I/O tasks * Node Events * Node Streams * Node Event Loop * Networking - TCP/IP (net module & sockets in Node) - Server Push * Debugging Node - Debugging strategies - DevTools debugging - Memory Leaks in Node - Heapdump in Node * Scaling Node Apps - Threadpool - Child processes - Node os module - Node clusters - hashing server with fork - hashing server with cluster - Production scaling with pm2 - Session Factory - File compression in Nodejs. [The tar module](https://www.npmjs.com/package/tar)