Friday, November 19, 2021

Create Squid Logs Extractors on Graylog Server

In this guide, we are going to go over how to create squid logs extractors on Graylog server. If you have pushed your Squid access logs to Graylog server via syslog, chances are they have not been parsed correctly to your liking. Use of Graylog makes it easy to to extract data from any text in the received message...

Install Nagios Plugins on Rocky Linux 8

This guide will walk you through how to install Nagios Plugins on Rocky Linux 8. Nagios plugins are standalone extensions to Nagios Core that enables Nagios to monitor databases, operating systems, services, applications, network equipment, protocols etc. To use Nagios Plugins, you need to have installed and Setup Nagios Core server. Follow the link below to install Nagios server on Rocky Linux...

Install Latest Grafana on CentOS 8

In this guide, we are going to learn how to install latest Grafana on CentOS 8. Grafana is the open source analytics and monitoring solution that enables you to query, visualize and alert on various systems metrics that can be pulled from various time series databases such as Graphite, InfluxDB & Prometheus etc. Install Latest Grafana on CentOS 8 There are different...

Install Telegraf on Fedora 30/Fedora 29

In this guide, we are going to learn how to install Telegraf on Fedora 30/Fedora 29. Telegraf is a plugin-driven server agent that is used for collecting and sending metrics and events from databases, systems, and IoT sensors. It one of the major components of TICK stack which is an acronym for Telegraf, InfluxDB (time series DB), Chronograf (interface...

Install Fleet Osquery Manager on Ubuntu 20.04

install Fleet osquery manager on Ubuntu 20.04
In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04. With the official retirement of the Kolide Fleet as on November 4th, 2020, there has been yet another Fleet that offers the same functionality as Kolide Fleet. According to its Github repository, "Fleet is the most widely used open source osquery manager. Deploying osquery...

How to Install and Configure NSClient++ Nagios Agent on Windows System

NSClient++ is a monitoring agent/daemon for Windows systems that makes it easier to collect performance metrics by Nagios. In this tutorial, we are going to learn how to install and configure NSClient++ nagios monitoring agent for Windows systems. Follow through the following steps to install NSClient++. Download NSClient Agent Download the latest version of NSClient from here. Agent Installation Once the download is done,...

Install Filebeat on FreeBSD

Install Filebeat on FreeBSD
Follow through this guide to learn how to install Filebeat on FreeBSD. Install Filebeat on FreeBSD Filebeat is not available on the default FreeBSD repositories but can be installed from FreeBSD ports. We use FreeBSD 13.0 in this setup; freebsd-version 13.0-RELEASE Install Ports Collection on FreeBSD To use ports to install software in FreeBSD, you need to install portsnap. Portsnap is a fast and user-friendly tool...

Monitor SSL/TLS Certificates Expiry with Nagios

Well, assuming you understand the implications of the expired SSL/TLS certificates, let us go through how to monitor SSL/TLS Certificates Expiry with Nagios. Nagios provides SSL Certificate monitoring and alerting when SSL certificates expiration date draws closer using the Nagios Plugins. Before you can proceed, install and setup Nagios server. Follow the links below to setup Nagios server on your...

How to Install OSSEC Agent on Mac OS

In this guide, we are going to learn how to install OSSEC agent on Mac OS X. We have covered similar setups in our other guides. You can check them by following the links below; How to Install OSSEC Agent on Solaris 11.4 How to Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7 How to Install and Setup AlienVault HIDS Agent...

Quick Way to Enable Kibana HTTPS Connection

Enable Kibana HTTPS Connection
In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures that data is encrypted in transit. Kibana supports only TLS encryption protocol. With TLS, X.509 certificates are used to encrypt the data-in-transit. This kind of encryption is asymetric because each certificate contains a public key and a private key which are used for cryptographic operations....