Monitoring

How To Install DenyHosts on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install DenyHosts on Ubuntu 12.04

DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for Ubuntu 12.04.

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How To Install Munin on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Install Munin on an Ubuntu VPS

Munin is a helpful utility that provides a visual way to monitor a VPS. It is set up to be extremely plug and play. It can be installed very quickly through apt-get. We will be using Ubuntu 12.04 in this guide.

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How To Map User Location with GeoIP and ELK (Elasticsearch, Logstash, and Kibana) — step-by-step Linux tutorial on Progressive Robot

How To Map User Location with GeoIP and ELK (Elasticsearch, Logstash, and Kibana)

IP Geolocation, the process used to determine the physical location of an IP address, can be leveraged for a variety of purposes, such as content personalization and traffic analysis. In this tutorial, we will show you how to create a visual geo-mapping of the IP addresses of your application’s users, by using a GeoIP database with Elasticsearch, Logstash, and Kibana.

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How To Monitor Server Health with Checkmk on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Monitor Server Health with Checkmk on Ubuntu 20.04

Checkmk is a monitoring solution that is both robust and simpler to install than many of its competitors. It is a self-contained software bundle that combines Nagios (a popular and open-source alerting service) with add-ons for gathering, monitoring, and graphing data. It also comes with Checkmk’s web interface — a comprehensive tool that addresses many of Nagios’s shortcomings. In this guide we will set up Checkmk and monitor two separate hosts: an Ubuntu 18.04 server and a CentOS 7 server.

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How To Set Up a Local OSSEC Installation on Fedora 21 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Local OSSEC Installation on Fedora 21

OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, and active response. It’s the application to install on your server if you want to keep an eye on what’s happening inside it. In this tutorial you’ll learn how to install OSSEC to monitor the Fedora 21 server it is installed on: a local OSSEC installation.

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How To Use Open Monitoring Distribution with Check_MK on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Use Open Monitoring Distribution with Check_MK on Ubuntu 14.04

Open Monitoring Distribution (OMD) is a self-contained bundle that includes Nagios together with add-ons for gathering, monitoring, and graphing data. It comes bundled with Check_MK Multisite, a comprehensive tool that addresses many of Nagios’s shortcomings. It provides a web interface for easy administration and configuration, a user-friendly dashboard, a robust notification system, and easy-to-install monitoring agents for many Linux distributions.

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Installing and Configuring Zenoss on a CentOS Virtual Private Server — step-by-step Linux tutorial on Progressive Robot

Installing and Configuring Zenoss on a CentOS Virtual Private Server

This tutorial will cover how to install and configure Zenoss network management and monitoring software. Using Zenoss, you can monitor the health of your various network-connected devices and servers and chart their performance. Zenoss makes managing a large number of devices easy with a unified web-based interface and a variety of client options.

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Gathering Metrics from Your Infrastructure and Applications — step-by-step Devops tutorial on Progressive Robot

Gathering Metrics from Your Infrastructure and Applications

Metrics are the primary material processed by monitoring systems to build a cohesive view of the systems being tracked. In this guide, we will start by discussing a popular framework used to identify the most critical metrics to track. Afterwards, we will walk through how those indicators can be applied to components throughout your deployment. This will focus on the fundamental resources of individual servers at first and then adjust the scope to cover increasingly larger areas of concern.

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How To Install and Configure OSSEC Security Notifications on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure OSSEC Security Notifications on Ubuntu 14.04

This tutorial will show you how to install and configure OSSEC to monitor one the cloud provider server running Ubuntu 14.04 LTS. We’ll configure OSSEC so that if a file is modified, deleted, or added to the server, OSSEC will notify you by email – in real-time. That’s in addition to other integrity-checking features that OSSEC offers.

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