Linux Tutorials
Graylog is a free and open-source log monitoring tool used for capturing, storing, and enabling real-time analysis of terabytes of machine data. In this tutorial, we will show you how to install Graylog on Ubuntu 22.04 server.
The Elastic Stack is a combination of four main components Elasticsearch, Logstash, Kibana, and Beats. In this tutorial, we will show you how to install and configure Filebeat to forward event logs, SSH authentication events to Logstash on Ubuntu.
Glances is a free, open-source, and cross-platform curses-based system monitoring tool written in Python. It is a real-time system monitoring tool that monitors system resources, including CPU, Memory, Load, Disk I/O, Processes, File System space, Network interface and more.
Grafana is a free, open-source, and feature-rich metrics dashboard and data visualizing tool. It is designed for Graphite, Elasticsearch, OpenTSDB, Prometheus, and InfluxDB to monitor metrics from a web-based interface. This tutorial will explain how to install Grafana 8 on Ubuntu 22.04.
In this article, you will learn how to install the Prometheus monitoring tool and Node Exporter on a Rocky Linux 8 system. Prometheus collects data and metrics through HTTP endpoints from target servers. Node exporter exposes hardware and kernel-related matrics from Linux machines.
OpenNMS is a free and open-source Open Network Management System written in Java. It is a network monitoring application that gathers critical information from local and network hosts using the SNMP protocol.
Grafana is an open source, feature rich metrics dashboard and graph editor. Grafana is widely used to monitor large number of metrics from different data sources like MySQL, MongoDB, InfluxDB etc. It has a pluggable architecture which can be extended with multiple plugins for various data sources.
In this tutorial, we will learn how to install Prometheus network monitoring system on Ubuntu 20.04. It helps you to keep track of resources such as CPU usage, memory utilization, network IO wait time and has a web interface that allows for easy monitoring from any device with an internet connection and also supports alerting via email and SMS messages in case the metrics surpass a configured threshold.
Guider is an open-source performance analyzing tool for Linux operating systems. In this tutorial, I will show you how to install and use Guider on Ubuntu 20.04.
Cacti is a free, open-source and web-based network monitoring tool written in PHP. It is a front-end application for the RRDtool. In this tutorial, we will show you how to install the Cacti monitoring tool on Ubuntu 20.04 server.