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. This post will introduce the tools, ‘vnStat’ and ‘iftop,’ which can be used to monitor data consumption in a VM. First, I am creating a machine with the following resources: 20 GHz CPU 16 GB RAM …

Installing Hadoop on a Single Node in Five Simple Steps

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 than rely on hardware to deliver high-availability, the library itself is designed to detect …