Delete Specific Records from Elasticsearch Index
This is a simple tutorial on how to search and delete specific records from Elasticsearch index. Elasticsearch ships with a delete_by_query API that enables you
Monitoring
How to Measure CPU Usage in Linux
This simple guide will take you through how to Measure CPU Usage in Linux. CPU is critical to every other system operations. If a process
How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS
In this tutorial, we are going to learn how to install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS. Icinga 2 is an
Install and Configure Nagios Core from Repos on Ubuntu 18.04
In this tutorial we are going to learn how to install and configure Nagios Core from Repos on Ubuntu 18.04. Nagios is an enterprise grade
Install Wazuh Agent on Rocky Linux 8
In this tutorial, you will learn how to install Wazuh agent on Rocky Linux 8. Our previous setup was on setting up Wazuh server with
Install Elasticsearch 7.x on CentOS 7/Fedora 29
This guide will take you through how to install Elasticsearch 7.x on CentOS 7/Fedora 29. Elasticsearch is the heart of Elastic Stack. Our previous guide
Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8
This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian 9.8 as a continuation of our guide on how to
How to Check Docker Container RAM and CPU Usage
How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM and CPU usage. Just like
Configure Filebeat 8 to Write Logs to Specific Index
This guide will take you through how to configure Filebeat 8 to write logs to specific index. Are you collecting logs using Filebeat 8 and
How to Install Osquery on Ubuntu 18.04
In this guide, we are going to learn how to install osquery on Ubuntu 18.04. Osquery is an opensource tool that queries an operating system