Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Ubuntu 24.04

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Kifarunix
Security, Firewall

Basic Operation of Firewalld in Linux

HowTos

Unlocking the Power of Brand Monitoring: Tools, Technology, and Techniques

Security, HowTos, Monitoring

Install Velociraptor Client on Linux and Windows Systems

HowTos, Cloud Compute, OpenStack

Safely Remove Compute Node from OpenStack Deployment

Containers

More
using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

This tutorial provides a step-by-step guide to using ConfigMaps in Kubernetes. ConfigMaps in Kubernetes are a powerful tool for managing …
install docker ce on debian 12

How to Install Docker CE on Debian 12

In this tutorial, we are going to learn how to install Docker CE on Debian 12. Docker is a platform …
Deploy Apps on OpenShift Using BuildConfig

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

In this tutorial, I will walk you through how to deploy apps on OpenShift using BuildConfig. OpenShift has become the …
using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

install docker ce

Install and Use Docker CE on CentOS 8

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Configure OpenShift 4 Image Registry Persistent Storage with ODF

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install Minikube on Debian 12

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

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Security

More

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

Install Zammad Ticketing System on Debian 12

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Most Popular

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kubernetes secrets
Kubernetes, Containers, HowTos

How to Use Secrets in Kubernetes Applications

install-automad-cms-ubuntu-debian
HowTos, CMS

Install Automad CMS on Debian 10/Ubuntu 18.04

academic mistakes
HowTos

10 Mistakes That Can Spoil Your Academic Assignment

Install MariaDB 11 on Debian
HowTos, Database, MariaDB

Install MariaDB 11 on Debian 11/Debian 10

install dokuwiki on Ubuntu
HowTos

Install DokuWiki on Ubuntu 22.04

The Importance of Literature in Modern Society
HowTos

The Importance of Literature in Modern Society

Why Should You Be Using Ubuntu? 6 Advantages

Install Nessus Professional Scanner on Debian 10

The Smart Business Owner’s Guide to Access Control and Biometric Security

Install Arkime Full Packet Capture tool on Ubuntu

Analyze Network Traffic Using Brim Security

How to Increase Your Security With the Help of Advanced Tech Solutions

Install and Configure Snort 3 NIDS on Ubuntu 20.04

How to Enable Self-Service Password Reset in Request Tracker (RT)

Install and Setup GVM 11 on Ubuntu 20.04

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

Process and Visualize ModSecurity Logs on ELK Stack

MONITORING

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How to Copy Kibana Dashboard to Another Kibana Space

How to Copy Kibana Dashboard to Another Kibana Space

koromicha

Is it possible to copy Kibana dashboard to another Kibana Space? Yes, definitely. In this …

How to Integrate TheHive with MISP

How to Integrate TheHive with MISP

koromicha

Follow through this tutorial to learn how to integrate TheHive with MISP. TheHive, a Security …

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 …

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

Kifarunix

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. …

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 Linux Hosts using Nagios check_by_ssh Plugin

Monitor Linux Hosts using Nagios check_by_ssh Plugin

koromicha

Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

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

Install and Setup AWStats Log Analyzer on CentOS 8

gen_too

Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS …

nagios nrpe

Install Nagios NRPE Agent on Rocky Linux 8

gen_too

Follow through this guide to learn how to install Nagios NRPE agent on Rocky Linux 8. In …

Enable Rsyslog Logging on Debian 12

Enable Rsyslog Logging on Debian 12

Kifarunix

This step by step tutorial will take you through how to enable Rsyslog logging on …

filebeat

Install and Configure Filebeat on CentOS 8

In this tutorial, we are going to learn how to install and configure Filebeat on CentOS 8. Filebeat is one …
easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu 20.04. Cacti is a complete …
Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

Follow through this guide to learn how you can easily monitor Windows system metrics using Sensu. Sensu is an opensource infrastructure …

NETWORKING

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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 …
How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you …
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 …
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 …
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 …
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, …
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 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 …
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 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 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 …

STORAGE

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How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Create LVM Logical Volumes in Linux

Install and Setup Rsyslog Server on Ubuntu 22.04

Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

Part 3: Integrate OpenStack with Ceph Storage Cluster

How to Reduce or Shrink Physical Volume in Linux

Install ownCloud Server on Debian 11

VIRTUALIZATION

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How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

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 …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on 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 …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

koromicha

In this tutorial, you will learn how to create and upload custom Linux image into …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

Install KVM on Oracle Linux

Install KVM on Oracle Linux

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an acronym for Kernel-based Virtual Machine, …
How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

How can you install Resource usage extension on Docker desktop? In this guide, you will learn how to install Docker …

Install Fedora 30 Workstation on VirtualBox

So Fedora 30 has just been released and you would like to try out the desktop version on your VirtualBox? …

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