Linux

How To Migrate Linux Servers Part 2 - Transfer Core Data — step-by-step Linux tutorial on Progressive Robot

How To Migrate Linux Servers Part 2 – Transfer Core Data

In the previous tutorial, we prepped our servers for data migration. At this point, your target and source system should be able to communicate (the target system should have SSH access to the source system), and you should also have a list of software and services that you need to transfer, complete with version numbers of the most important components. In this guide, we’ll continue where we left off and begin the actual migration to our new server.

Read more
How To Optimize MySQL with Query Cache on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Optimize MySQL with Query Cache on Ubuntu 18.04

Query cache is a prominent MySQL feature that speeds up data retrieval from a database. In this tutorial, you will first configure MySQL without query cache and run queries to see the duration results. Then you’ll set up query cache and test your MySQL server with it enabled to show the difference in performance.

Read more
How to Perform Server-Side OCR on PDFs and Images — step-by-step Linux tutorial on Progressive Robot

How to Perform Server-Side OCR on PDFs and Images

Optical Character Recognition, or OCR, is primarily used to turn text from scanned images into embedded text. Many modern desktop and mobile applications and scanner software stacks have some OCR functionality built in, and most circulating PDFs have text embedded. However, you may still encounter documents or images that contain significant amounts of non-embedded text which cannot be automatically extracted. This tutorial will cover setting up an OCR pipeline.

Read more
How To Protect SSH with Fail2Ban on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH with Fail2Ban on Ubuntu 14.04

Fail2ban is a daemon that can be run on your server to dynamically block clients that fail to authenticate correctly with your services repeatedly. This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll show demonstrate how to install and configure fail2ban to protect SSH and Nginx on an Ubuntu 14.04 server.

Read more
CHAT