Monday, October 26, 2020

Monitor OpenVPN Connections with Prometheus and Grafana

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Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is a data visualization and monitoring tool and supports time series datastores such as Graphite, InfluxDB, Prometheus, Elasticsearch. Prometheus on the other hand is an open-source systems and service monitoring tool. It collects metrics from configured targets via HTTP calls at given intervals,...

Setup Kibana Elasticsearch and Fluentd on CentOS 8

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Hello there. In this tutorial, you will learn how to setup Kibana Elasticsearch and Fluentd on Ubuntu CentOS 8. Normally, you would setup Elasticsearch with Logstash, Kibana and beats. But in this setup, we will see how Fluentd can be used instead of Logstash and Beats to collect and ship logs to Elasticsearch, a search and analytics...

How to Monitor OpenVPN Connections using openvpn-monitor tool

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In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor tool. This tutorial focuses on monitoring OpenVPN connections established using the OpenVPN Community Edition. OpenVPN CE provides a de-facto standard for creating a secure VPN connections over the internet using a custom security protocol that utilizes SSL/TLS. While scouring...

Install and Setup NetData on Ubuntu 20.04/18.04

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In this tutorial, you will learn how to install and setup NetData on Ubuntu 20.04/18.04. NetData is a free and open source, distributed, real-time performance and health monitoring tool for systems and applications. NetData can be installed as an agent on systems/containers/applications so as to collect in real time, the system/container/application metrics and displays them on an interactive...

Install and Setup AWStats Log Analyzer on CentOS 8

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Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS 8. AWStats is an acronym for Advanced Web Statistics and "is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your...

Install and Configure Tripwire Security Monitoring tool on CentOS 8

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In this tutorial, you will learn how to install and configure Tripwire security monitoring tool on CentOS 8. Tripwire is available is as an open source and commercial version. In this setup, we will learning how to install and setup the open source version of Tripwire. So, What is Tripwire? It is one of...

Deploy a Single Node Elastic Stack Cluster on Docker Containers

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In this tutorial, we are going to learn how to deploy a single node Elastic Stack cluster on Docker containers. Elastic Stack, the next evolution of the famous ELK stack is a group of open source software projects: Elasticsearch, Logstash, and Kibana and Beats. Elasticsearch is a search and analytics engine, Logstash is a server‑side data processing...

Process and Visualize ModSecurity Logs on ELK Stack

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In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK Stack. ModSecurity is an open source, cross-platform web application firewall (WAF) module developed by Trustwave’s SpiderLabs. Known as the “Swiss Army Knife” of WAFs, it enables web application defenders to gain visibility into HTTP(S) traffic and provides a power rules language and API to...

Install and Setup Wazuh Server in CentOS 8/Fedora 32

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In this tutorial, you will learn how to install and setup Wazuh server in CentOS 8/Fedora 32. Wazuh is an open-source tool for visibility, security detection, and compliance. It is a fork of OSSEC HIDS with additional integration with ELK stack and OpenSCAP. The Wazuh stack consists of the Wazuh server (manager), the ELK stack, and the...

Install OSSEC HIDS Agent on Ubuntu 20.04

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This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 system from the source tarball.  OSSEC is an Open Source Host based Intrusion Detection System that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, real-time alerting and active response. It runs across multiple platforms including Linux, OpenBSD,...