MySQL basics

How to setup MySQL on a server and MySQL basics

In this CloudSigma tutorial, you will learn how to setup MySQL on a server, and the MySQL basics. MySQL is an open-source Relational Database Management System (RDBMS) that helps users store, organize, and manage data. It is very popular and widely used in the IT industry. Creating the machine First, you have to create a machine. You can do that …

Docker Ubuntu

How to install & operate Docker on Ubuntu in the public cloud

Docker is one of the most popular products in organizations these days. It makes the process of managing applications in containers very easy. Docker provides portability, performance, agility, scalability and isolation to the applications, since it uses containers, which are more portable and require less resources than virtual machines. In this tutorial, you will go through the steps required to …

Cloudflare

Cloudflare Access: Securing Access to Web Applications

In these times of uncertainties, the global trend is to make the working environment more agile and the work tools more portable. Never has been more important than during the COVID19 crisis with the requirement to work remotely from the main corporate office locations. Cloudflare Access replaces traditional corporate VPN clients by putting Cloudflare’s global edge network in front of …

VPN server under Docker

Run your own VPN server under Docker with OpenVPN Access Server

In this tutorial, I will be setting up an Open VPN server under Docker with CloudSigma. With CloudSigma’s cloud locations spread all over the globe, you can create a server in any of them and access the content from there. Creating the machine First, I am creating a machine with the following resources: 20 GHz CPU 16 GB RAM 20 …

How to use vnStat and iftop

How to use vnStat and iftop to monitor data consumption within a VM

In the generation of cloud computing, virtual machines (VMs) have become very common, while the usage of physical machines has started to gradually decrease. In this post, we will introduce the tools, ‘vnStat’ and ‘iftop,’ which we can use to monitor data consumption in a VM. First, I am creating a machine with the following resources: 20 GHz CPU 16 …

Installing Hadoop Tutorial

Installing Hadoop on a Single Node in Five Simple Steps

Welcome to our guide on installing Hadoop in five simple steps. To start with, the Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather …

Realtime Twitter Twitter Data Ingestion using Flume

Realtime Twitter Data Ingestion using Flume

With more than 330 million active users, Twitter is one of the top platforms where people like to share their thoughts. More importantly, twitter data can be used for a variety of purposes such as research, consumer insights, demographic insights and many more. In addition, twitter data insights are especially useful for businesses as they allow for the analysis of …

Setting up a Big Cluster in 3 Easy Steps

Setting up a Big Data Cluster within Minutes in 3 Easy Steps

HDP is the industry’s a truly secure, enterprise-ready open source Apache™ Hadoop® distribution based on a centralized architecture (YARN). HDP addresses the complete needs of data-at-rest, powers real-time customer applications and delivers robust big data analytics that accelerate decision making and innovation. (Source: https://hortonworks.com/products/data-platforms/hdp/). I am going to install HDP to create a big cluster of 5 nodes deployed on …

How to Cgroups

HowTo: CGroups

Well, as you know, GNU & Linux are awesome. Why? Because we have Control Groups (CGroups)! In this post you’ll learn how to: Protect critical system processes for both memory and CPU. A walkthrough video implementing cgroups on a live running server Set up an example implementation of CGroups or SystemD slices. Keeping Everything under Control You can use CGroups …