Wednesday, April 21, 2021

Monitor Linux System Metrics with ELK Stack

0
In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. ELK Stack, or if you like, Elastic stack can be used to monitor Linux system metrics with the aid of the Metricbeat. Metricbeat is a lightweight shipper for system metrics. It can collect system-level CPU usage, memory, file system, disk IO, and network IO...

Quick Way to Install and Configure SNMP on Ubuntu 20.04

0
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...

Easily Install and Setup Cacti on Ubuntu 20.04

0
In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu 20.04. Cacti is a complete frontend to RRDTool. RRDTool is a time-series data storage and display system. It stores and display time-series data (e.g. network bandwidth, machine-room temperature, server load average) in a database. It stores the data in Round Robin Databases (RRDs), a...

Visualize WordPress User Activity Logs on ELK Stack

0
In this tutorial, you will learn how to visualize WordPress user activity logs on ELK stack. WordPress do not provide an easy way to have an overview of user activity or log any user activity on a server log file. Logging is paramount in detecting, preventing or minimizing the impact of any security breach. There are a thousand various...

How to run Multiple Filebeat Instances in Linux

0
In this tutorial, you will learn how to run multiple filebeat instances in Linux system. Filebeat is one of the Elastic beat and is a lightweight shipper for collecting, forwarding and centralizing event log data. It is installed as an agent on the servers you are collecting logs from. It can forward the logs it is collecting to either...

Monitor OpenVPN Connections with Prometheus and Grafana

1
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, evaluates rule...

Setup Kibana Elasticsearch and Fluentd on CentOS 8

0
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 engine. So,...

How to Monitor OpenVPN Connections using openvpn-monitor tool

5
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 the Internet for the tools that...

Install and Setup NetData on Ubuntu 20.04/18.04

0
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 web interface....

Install and Setup AWStats Log Analyzer on CentOS 8

0
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 log contains,...