Ganglia is an open source scalable distributed monitoring software tool for high-performance computing systems that can be used to view live statistics metrics such as average CPU load and network utilization for multiple systems.
Ganglia uses XML for data representation, RRDtool for data storage and visualization and XDR for compact, portable data transport. It uses carefully engineered data structures to achieve very low overheads and high concurrency. Currently Ganglia is used by thousands of clusters around the world.
In this tutorial, we will learn how to install Ganglia server on Ubuntu 16.04.
A server runing Ubuntu-16.04 on your system.
A non-root user with sudo privileges setup on your server.
Update the System
Before starting, you will need to update the system's package repository database with the latest version. You can do this with the following command:
sudo apt-get update -ysudo apt-get upgrade -y
Once your system is up to date, you can proceed to the next step.
Installing LAMP Stack
Before starting, you will need to install LAMP on your server.
You can install it by running the following command:
Ganglia consists of three main components Ganglia Monitoring Daemon, Ganglia Meta Daemon and the Ganglia PHP Web Front-end.
Ganglia Monitoring Daemon : It listens to the cluster message channel and stores the data in-memory then and answer requests for an XML description of the cluster state.. Gmond runs on each system you want to monitor and monitor changes in the host state.
Ganglia Meta Daemon : The Ganglia Meta Daemon runs on the master nodes and collects information from multiple client machines.
Ganglia PHP Web Front-end: : It is used to displays all the gathered information from the client machines via web pages.
You can install Ganglia by just running the following command:
Truth be told, it’s difficult for a web application that doesn’t have some kind of identification, even if you don’t see it as a security measure in and of itself. The Internet is a kind of lawless land, and even on free services like Google’s, authentication ensures that abuses will...
Although data persistence is almost always a fundamental element of applications, Node.js has no native integration with databases. Everything is delegated to third-party libraries to be included manually, in addition to the standard APIs. Although MongoDB and other non-relational databases are the most common choice with Node because if you...