Bytes of Knowledge for the Digital Age
In this tutorial, we’ll show you how to build a search engine and web crawler using Node.js, MySQL, Redis, and Elasticsearch. We’ll start by creating a web crawler that will endlessly crawl the web and add new URLs to a MySQL database and a Redis cache. We’ll then set up Elasticsearch to index the pages … Read more
In this tutorial, we will take the basic search engine and web crawler we built in our previous tutorial and make it more advanced by customizing the crawler, using more advanced indexing techniques with Elasticsearch, and implementing a PageRank algorithm to rank pages higher based on the number of links between domains. If you haven’t … Read more
Systemd is a system and service manager for Linux operating systems. It provides a number of powerful features for managing the services that run on a Linux system. In this tutorial, we will look at how to manage Linux services with systemd. Checking the Status of Services The first thing you might want to do … Read more