Configure Log Retention Period in ELK Stack
How do I change the log retention policy in elk stack? In this tutorial, you will learn how to configure log retention period in ELK
Monitoring
Install latest Graylog on CentOS 7
Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a leading open-source log management tool that provides real time collection,
Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7
This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 as a continuation of our guide on how to setup
Monitor Linux Hosts using Nagios check_by_ssh Plugin
Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This enables Nagios Server to monitor system metrics and services on
Install OpenNMS Network Monitoring tool on Ubuntu 20.04
Follow through the guide to install OpenNMS network monitoring tool on Ubuntu 20.04. OpenNMS is an open-source and enterprise grade network monitoring and management solution.
Monitor Squid Access Logs with Graylog Server
Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is a leading open-source log management tool that provides real time
Update/Change Kibana Visualization Index Pattern
In this tutorial, you will learn how to update/change kibana visualization index pattern. Kibana is a free and open user interface that lets you visualize your
Send Alert When ClamAV Finds Infected Files on Linux Systems
In this tutorial, you will learn how to send alert when ClamAV finds infected files on Linux systems. ClamAV is an opensource antivirus engine for detecting
How to Configure SNMP version 3 on Debian 9
This guide is about how to configure SNMP version 3 on Debian 9. There are three major versions of SNMP that have so far been
Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux
In this tutorial, we are going to learn how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux. Nagios Remote Plugin Executor (NRPE) is used to