Monitoring

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 20.04. 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 e.t.c...

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager is used to handle alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of silencing and inhibition of alerts. There...

This guide will take you through how to install and configure SNMP on Debian 10 Buster for monitoring using either SNMP v2c or v3. If you are looking at monitoring your Debian 10 system with monitoring tools like Nagios, Icinga or any other tools for health information, system metrics such as CPU load, Physical Memory usage, number of running...

In this tutorial, you will learn how to forward Apache logs to central log server with rsyslog. Apache do not log to syslog by default. So, what if you want to forward them logs to central system where you can easily manage them? In that case, there are various tools which can be used to read and...

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 install ELK stack 8.x on Ubuntu systems. Elastic/ELK stack 8.0 has been released making it another major version release after Elastic 7.0. Elastic 8.0 comes with a lot of improvements including; compatibility with 7.x REST APIsecurity features enabled and configured by default (HTTPS and Authentication)Better protection for system indicesNew k-nearest neighbor (kNN)...

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 tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring agents enables remote monitoring of system metrics such as system load, memory and disk usage e.t.c. In our previous tutorial, we learnt how to install Checkmk monitoring tool on Ubuntu 20.04 system. How to Monitor IT Infrastructure using Checkmk If you noticed, when first installed, no host/services...

In this guide, we are going to learn how to add hosts to Nagios Server for monitoring. Well, in order to monitor your remote hosts with Nagios server for availability and metric checks, you need to add them hosts to the Nagios server. Before you can proceed, ensure that your Nagios is up and running; Install Nagios Server on CentOS 8 Install...

This tutorial will show you how you can easily configure Logstash Elasticsearch Basic authentication. If you have secured your Elasticsearch cluster with authentication/authorization, then for Logstash to be able to publish the events to the Elasticsearch cluster, it must provided valid user credentials that is authorized to publish events to specific indices. In our previous guides, we learnt how to...