Automation, Ansible, HowTos, Monitoring, Nagios

Full Automation of Nagios Monitoring Setup with Ansible

BY
Kifarunix
Monitoring, HowTos, Nagios

Install Nagios Server on Rocky Linux 8

HowTos

Install Gitlab with SSL/TLS Certificate on Ubuntu 20.04

Security, HowTos

Install SpiderFoot on Ubuntu 20.04

HowTos, SSH

Configure SSH Public Key Authentication in Linux

Containers

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Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

In this guide, we’ll walk you through the step-by-step process of how to safely upgrade kubeadm Kubernetes cluster. Upgrading a …
How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

CloudBees CI HA on OpenShift starts with one requirement that can stop the deployment before it even begins: shared storage …
OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

In this blog post, we’ll cover OpenShift Builds and BuildConfig essentials, providing you with the fundamental knowledge and practical steps …
How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

install portainer on Linux

Install Portainer on Rocky Linux

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

nagios docker

Deploy Nagios as a Docker Container

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

install docker ce

Install Docker CE on Ubuntu 20.04

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Security

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Install and Setup Nessus Scanner on Ubuntu 20.04

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

Most Popular

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HowTos

Install Oracle Java 12 on Ubuntu 18.04/Debian 9.8

Exploring 6 Different Types of Camera Systems And Their Uses
HowTos

Exploring 6 Different Types of Camera Systems And Their Uses

Tips and Tricks to Play 3rd Person Mode in Modern Warfare 2
HowTos

Tips and Tricks to Play 3rd Person Mode in Modern Warfare 2

Database, HowTos, LAMP Stack, MariaDB

Install LAMP Stack with MariaDB 10 on Debian 10 Buster

Configure Postfix to Use Gmail SMTP on CentOS 8
Postfix, , HowTos

Configure Postfix to Use Gmail SMTP on CentOS 8

Install Latest Google Chrome Browser on Debian 10
HowTos

Install Google Chrome on Rocky Linux 8

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

Analyze Network Traffic Using Brim Security

Common Mistakes When Using A White Paper Example

Setup Portainer with SSL Certificates

How to Integrate TheHive with MISP

4 Reasons Why Home and Remote Workers Should Use a VPN

How to Integrate ELK Stack with TheHive

When It Comes to Security, Don’t Overlook Your Linux Systems

How to Install NSClient Nagios Monitoring Agent on Windows System

How to Use VeraCrypt on Command Line to Encrypt Drives on Ubuntu

How to Install RTIR Module on Request Tracker [2025]

Cybersecurity In The Home: 3 Steps Households Can Take

MONITORING

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fleet

Install Kolide Fleet Osquery Fleet Manager on Debian 10

koromicha

Welcome to our guide on how to install Kolide Fleet Osquery fleet manager on Debian …

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

Kifarunix

In this blog post, we will run through how to set up alerting in OpenShift …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

gen_too

In this tutorial, you will learn how to install Wazuh agent on Rocky Linux 8. …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

Monitor System Metrics with TICK Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to monitor system metrics with TICK …

Install Nagios Core on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Nagios Core on Debian …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

monitor Linux system metrics using Sensu

How to Monitor Linux System Metrics using Sensu

koromicha

In this tutorial, you will learn how to monitor Linux system metrics using Sensu. Sensu is …

Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

Kifarunix

In this guide, you will learn how to install Prometheus on Debian 12. Prometheus is an open-source …

Install and Setup Prometheus on Ubuntu 20.04

In this guide, we are going to learn how to install Prometheus on Ubuntu 20.04. Prometheus is an open-source systems and service …
wazuh agents

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 …

Install Icinga Web 2 on Debian 10 Buster

In this guide, we are going to learn how to install Icinga Web 2 on Debian 10 Buster as our …

NETWORKING

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Configure Static IP Addresses using Netplan on Ubuntu

Configure Static IP Addresses using Netplan on Ubuntu

How to set static IP addresses using Netplan on Ubuntu? In this tutorial, you will learn how to configure static …
install wireshark on Linux

Install Latest Wireshark on Ubuntu 18.04

In this guide, we are learn how to install latest Wireshark on Ubuntu 18.04. Wireshark is the world’s foremost and …

Install and Setup OpenVPN Server on Fedora 29/CentOS 7

In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN …
Create Virtual/Secondary IP addresses on an Interface in Linux

Create Virtual/Secondary IP addresses on an Interface in Linux

Follow through this tutorial to learn how to create virtual/secondary IP addresses on an interface in Linux. This enables you …
Set Static Routes via an Interface/IP on CentOS/Ubuntu

Set Static Routes via an Interface/IP on CentOS/Ubuntu

In this tutorial, you will learn how to set static routes via an interface/IP on CentOS/Ubuntu systems. In a network, …
install Malcolm network traffic analysis tool on Ubuntu

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

In this tutorial, you will learn how to analyze PCAP files using Malcolm network traffic analysis tool. Malcolm can be …
Install and use NMCLI tool on Debian Linux

Install and use NMCLI tool on Debian Linux

In this tutorial, we provide a step by step guide on how to install and use NMCLI tool on Debian …
install wireshark on Linux

Install Wireshark on Ubuntu 22.04

In this guide, you will learn how to install Wireshark on Ubuntu 22.04. Wireshark is the world’s foremost and widely-used …
Easy way to Test Internet Speed on Linux Terminal

Easy way to Test Internet Speed on Linux Terminal

In this tutorial, we will show you an easy way to test Internet speed on Linux terminal. More often than …
Useful Facts About Setting Up Mobile Rugged Servers

Useful Facts About Setting Up Mobile Rugged Servers

Modern warfare is evolving. Having boots on the ground is still the most important component of winning any conflict, however, …
Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster …
Install and use NMCLI tool on Debian Linux

Connect to WiFi in Linux Using NMCLI command

This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line …

STORAGE

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Backup Windows System with BackupPC Using Rsyncd

Extend OpenShift CoreOS /sysroot Root Filesystem

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

Install and Configure BackupPC on Debian 10

How to Deploy Ceph Storage Cluster on AlmaLinux

Part 2: Integrate OpenStack with Ceph Storage Cluster

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install ownCloud Server on Ubuntu 22.04

VIRTUALIZATION

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upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 on …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

Install VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

Install VirtualBox Guest Additions on Ubuntu 18.04

Jay Decrame

In this guide, we are going to learn how to install VirtualBox Guest Additions on …

Install NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

Kifarunix

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

Kifarunix

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian Firewall Community (EFW) is an …
Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …
Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …

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