HowTos, Monitoring, Nagios

Install Nagios Server on CentOS 8

BY
koromicha
HowTos, Storage

How to Move Linux OS Installation to Another Drive

Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Kali Linux 2021.3

Security, HowTos

Install and Setup Velociraptor on Ubuntu 18.04

Kubernetes, Containers, HowTos, OpenShift

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Containers

More
Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how to monitor Docker swarm service …
How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How do I deploy an application to a swarm cluster? In this tutorial, you will learn how to deploy an …
Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

This step-by-step guide provides an easy way to install Kubernetes dashboard on Ubuntu 22.04/20.04. Installing Kubernetes Dashboard on Ubuntu 22.04/20.04 …
kubernetes secrets

How to Use Secrets in Kubernetes Applications

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

how Kubernetes assigns pods to nodes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Security

More

Install and Configure Endian Firewall on VirtualBox

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Most Popular

More
wine
HowTos

Install Wine 4 on CentOS 8

Easy way to Install VirtualBox on Oracle Linux
HowTos

Easy way to Install VirtualBox on Oracle Linux

Careers In IT You Need To Know About
HowTos, Security

Careers In IT You Need To Know About

Monitoring, HowTos, osquery, Security

How to Install Osquery on Ubuntu 18.04

Database, FreeBSD, HowTos, MySQL

Install MySQL 8 on FreeBSD 12

Grafana, HowTos, Monitoring, Node Exporter, Prometheus

Integrate Prometheus with Grafana for Monitoring

Easy way to Integrate TheHive with Cortex

4 Reasons Why Home and Remote Workers Should Use a VPN

How to fix WordPress could not establish a secure connection to WordPress.org

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

How to Easily Enable and Configure Cortex Analyzers

Install WPScan on Ubuntu 20.04

Configure Filebeat-Elasticsearch Authentication

How to Perform System Security Auditing with Lynis on Ubuntu 18.04

Install Kismet on Ubuntu 18.04

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Install Wazuh Agent on Rocky Linux 8

MONITORING

More
Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

koromicha

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. …

install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

koromicha

This guide is about how to configure SNMP version 3 on Debian 9. There are …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

Install Prometheus on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Prometheus on Ubuntu 18.04. …

kibana

Install ELK Stack on Debian 11

koromicha

Welcome to our guide on how to install ELK Stack on Debian 11. ELK, currently known …

osquery manager

Integrate Osquery Manager with ELK Stack

gen_too

This guide will take you through how to integrate Osquery manager with ELK Stack. According …

Install Grafana Metrics Monitoring Tool on Debian 9

koromicha

Hello guys, we are at it again on how to install Grafana metrics monitoring tool …

Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

Kifarunix

In this guide, we’ll walk you through the full automation of Nagios monitoring setup using …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

koromicha

In this article, we are going to learn how to install Nagios Plugins and NRPE …

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install Cortex on Ubuntu 22.04/Ubuntu 20.04. Cortex …

Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

In this guide, we are going to learn how to install Zabbix server on Debian 10 Buster. Zabbix is an …
Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. Docker containers have revolutionized how …
nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If you want to monitor your …

NETWORKING

More
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 …
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, …
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 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 …
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 …
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 …
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 …
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 …
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 …
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, …
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 …
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 …

STORAGE

More

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

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

Install and setup GlusterFS on Ubuntu 22.04/Ubuntu 20.04

Install and Configure NFS Server on Rocky Linux 8

Extend OpenShift CoreOS /sysroot Root Filesystem

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

How to Deploy Ceph Storage Cluster on Debian 12

VIRTUALIZATION

More
clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

koromicha

In this guide, we are going to learn how to autostart VirtualBox VMs on system …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

Install VirtualBox Guest Additions on Ubuntu 18.04

In this guide, we are going to learn how to install VirtualBox Guest Additions on Ubuntu 18.04 VM. Oracle VM …
Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on Linux Mint 21. VirtualBox guest …
kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been released. According to the release …

© 2026 kifarunix.com

Home Advertise with us Privacy Policy
document.addEventListener("DOMContentLoaded", function() { document.querySelectorAll(".scroll-box").forEach(function(box) { box.style.position = "relative"; // Needed for absolute positioning of button var button = document.createElement("button"); button.className = "copy-icon-btn"; button.setAttribute("aria-label", "Copy code"); button.innerHTML = ''; box.appendChild(button); button.addEventListener("click", function() { var text = box.innerText; navigator.clipboard.writeText(text).then(function() { button.querySelector("svg").setAttribute("fill", "#4CAF50"); setTimeout(function() { button.querySelector("svg").setAttribute("fill", "white"); }, 1500); }).catch(function(err) { console.error("Copy failed: ", err); }); }); }); });