Here at RackNerd, we're on a mission to introduce infrastructure stability on a global scale - one server at a time. Learn more about our story and why you should choose RackNerd for your infrastructure as a service (IaaS) needs!
Many of us have come across the error “503 service unavailable” while working with web servers. It simply says the server is unable to serve the HTTP request given at the time. There can be numerous reasons for 503 status code. Let’s discuss some possibilities, and see what are the possible tweaks we can do […]
Restoring a large MySQL database When we restore a large database, usually we come across two errors as shown below: “MySQL server has gone away” & “Lost connection to MySQL server during query” These errors means that MySQL server (mysqld) timed out and closed the connection if nothing happened after the specified time duration. Here […]
What is a SYN flood attack? How to Block SYN DDoS? In order to understand how to block SYN attacks, it is first necessary to understand what it is. We’ll start with the basics: 1. The client initiates a connection with the server by sending a SYN (synchronise) packet. 2. The server responds with SYN-ACK […]
What does htaccess stand for? This file is used to set up the web site without changing the server configuration. Creation of htaccess file You can build an htaccess file using text editing software via the command line or via the file manager in cPanel. Examples for htaccess 1. To redirect a domain permanently If […]
If you are looking to configure remote desktop on your Ubuntu server, you’ve found the perfect tutorial! By default, when you buy a Ubuntu VPS server, you will not get GUI access to server, as these servers only come with command line access over SSH by default. However, with just a few commands you can […]
Are you working on Deep Learning/Machine Learning/AI based projects? If so, this tutorial is for you! In this tutorial, we go over how to setup TensorFlow on a VPS or Dedicated Server. Due to higher resource/CPU requirements, we highly recommend running TensorFlow within a dedicated server (instead of a VPS) environment. Before deep diving into […]
ElasticSearch is one of the most well-known open-source distributed search and analytics engines. It is commonly used for applications that have advanced search requirements. Huge e-commerce stores, for example, are known to make quite an extensive use of it. In this tutorial, we’ll go over how to install ElasticSearch on your Ubuntu server. Install ElasticSearch […]
Looking for an open-source memory data management tool which will help you manage your database cache? Then Redis is a good solution to consider! In this tutorial, we are going to go over some steps on how to install Redis on your server running on Ubuntu 18.04 or Ubuntu 20.04. Here are some features of […]
Tar works just the same as .Zip archive. We use one type of archive format to compress and store multiple files or directories into one file formatted with the .tar.gz extension. The Linux platform has .tar.gz is the most common utility to compress the files for backups and it uses Gzip which is the most […]