Monitoring

In this tutorial, you will learn how to deploy Nagios as a Docker container. Nagios Core is an open-source IT infrastructure monitoring and alerting engine. Deploy Nagios as a Docker Container In order to deploy Nagios as a Docker container, we will proceed as follows; Install Docker on your Linux host You need to have installed Docker engine on your Linux host before...

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of this writing, Elastic Stack 8.3 is the current release. This means that Elasticsearch 8.3, one of the major components of the Elastics Stack is also the current release version as of this writing. Setup Multinode Elasticsearch 8.x Cluster In our previous tutorial, we learnt how to...

In this guide, we are going to learn how to install Zabbix server on Ubuntu 22.04. Zabbix is an enterprise class monitoring solution for any kind of IT infrastructure, services, applications, cloud resources. Install Zabbix Server on Ubuntu 22.04 Zabbix can be built from the source code or can be installed from Zabbix repository. Install and Buld Zabbix from Source on Ubuntu...

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. Docker containers have revolutionized how applications are deployed! They make it easy to develop, ship, and run applications. The beauty of this is it doesn't matter your OS distro, as long as you are able to install Docker on it, the application build as...

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 22.04/Debian 11. SNMP is an acronym for Simple Network Management Protocol. It provides an agentless method of managing and monitoring of network devices and servers for health information, system metrics such as CPU load, Physical Memory usage, number of running processes, service state...

Welcome to our guide on how to install ELK Stack on Ubuntu 20.04. ELK, currently known as Elastic Stack, is the acronym for open source projects comprising; Elasticsearch: a search and analytics engineKibana: a data visualization and dash-boarding tool that enables you to analyze data stored on Elasticsearch.Logstash: a server‑side data processing pipeline that ingests data from multiple sources simultaneously,...

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, "Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes! It includes a...

In this tutorial, you will learn how to easily install Zabbix agent on Ubuntu 22.04/Debian 11. Install Zabbix Agent on Ubuntu 22.04/Debian 11 Zabbix agent can be used to poll various system metrics as outlined below and push them to Zabbix server for visualization. NetworkPackets/bytes transferredErrors/dropped packetsCollisionsCPULoad averageCPU idle/usageCPU utilization data per individual processMemoryFree/used memorySwap/pagefile utilizationDiskSpace free/usedRead and write I/OServiceProcess statusProcess memory...

In this tutorial, you will learn how to check Docker container RAM and CPU usage. Just like how you would monitor/check the resource usage on your Linux/Windows systems, it is also possible to check how much RAM or CPU percentage each of the Docker containers you have deployed is consuming. This will enable you plan resource capacity of...