A network intrusion detection application can monitor your network interfaces for suspicious traffic and attempted security breaches. In this guide, we will configure a tool called psad to monitor our firewall logs and determine if there is a problem. We will be configuring psad on an Ubuntu 12.04 machine to detect intrusion attempts on our servers.
Ganglia is a scalable distributed monitoring system with near real-time performance metrics.
Grafana is the leading graph and dashboard builder for visualizing time series infrastructure and application metrics, but many use it in other domains including industrial sensors, home automation, weather, and process control. It provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world. In this tutorial, you will learn how to add Prometheus as a data source to your Grafana instance and install a pre-configured Prometheus Dashboard.
After completing this tutorial, you’ll have created Nagios Plugins with Ruby on an Ubuntu 12.10 virtual server.
Zabbix is open source monitoring software for networks and applications. It offers real-time monitoring of thousands of metrics collected from servers, virtual machines, and any other kind of network device. These metrics can help you determine the current health of your IT…
Grafana is an open-source data visualization and monitoring tool that integrates with complex data sources like Prometheus and ElasticSearch. Grafana lets you create alerts, notifications, and ad-hoc filters for your data while also making collaboration with your teammates easier through built-in sharing features. In this tutorial, you will install Grafana and secure it with an SSL certificate and an Nginx reverse proxy. You will also set up GitHub authentication.
In this tutorial, we will go over the installation of the Elasticsearch ELK Stack on Ubuntu 16.04 (that is, Elasticsearch 2.3.x, Logstash 2.3.x, and Kibana 4.5.x). We will also show you how to configure it to gather and visualize the syslogs of your systems in a centralized…
Nagios is a popular open-source monitoring system. It keeps an inventory of your servers and monitors them so you know your critical services are up and running. Using a monitoring system like Nagios is an essential tool for any production.
MongoDB comes installed with a variety of tools and utilities you can use to observe database performance. In this tutorial, you’ll learn how to monitor database metrics on-demand using built-in commands and tools. You’ll also become familiar with MongoDB’s database profiler which can help you detect poorly optimized queries.
Database monitoring is key to understanding how a database performs at various points in time. It can help you uncover hidden usage problems and bottlenecks, and will also allow you to be in the loop of everything that is happening to your database. In this tutorial, you will set up PostgreSQL database monitoring in Nagios Core using the check_postgres Nagios plugin and set up Slack-based alerting.
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