Containers, HowTos, Kubernetes

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

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Kifarunix
Apache, Web Servers

Install Apache with Self-signed Certificate on FreeBSD 12

HowTos, OpenVPN, Security, VPN

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

HowTos, Containers, Docker, Monitoring

Monitor Docker Swarm Service Metrics using Grafana

HowTos, KVM, VirtualBox, Virtualization

Use VirtualBox VMs on KVM

Containers

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install portainer on Linux

Install Portainer on Ubuntu 22.04

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a self-service container service delivery platform …
Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

This tutorial provides a step-by-step guide on how to setup highly available Kubernetes cluster with Haproxy and Keepalived. For anyone …
Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

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

In this blog post, we will describe Kubernetes Architecture: a high-level overview of Kubernetes cluster components. Organizations are continually adopting …
monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

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

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

deploy multinode OpenShift cluster using UPI

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

Install Minikube on Debian 12

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

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Security

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What Are the Benefits of SOCKS5 Proxy?

Import Assets to AlienVault USM/OSSIM using a CSV file

Install OpenVPN Server on Debian 11/Debian 10

Most Popular

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Easy way to Integrate TheHive with Cortex
Security, HowTos, Monitoring

Easy way to Integrate TheHive with Cortex

Add Compute Nodes into OpenStack using Kolla-Ansible
HowTos, Cloud Compute, OpenStack

Add Compute Nodes into OpenStack using Kolla-Ansible

HowTos

How To Check And Remove Duplicity In Your Content

Encrypt Files and directories with eCryptFS on Ubuntu 20.04
Encryption, HowTos, Security

Encrypt Files and Directories with eCryptFS on Ubuntu 20.04

Install and Setup i3 Windows Manager on Ubuntu 20.04
Desktop Environment, HowTos

Install and Setup i3 Windows Manager on Ubuntu 20.04

Monitoring, Telegraf, TICK Stack

Install Telegraf on Fedora 30/Fedora 29

Install and Setup Suricata on Rocky Linux

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

Install OpenVPN Server on Debian 11/Debian 10

The Benefits & Risks of Using Website Encryption

Detecting Malicious Files with Wazuh and VirusTotal

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

Install ModSecurity 3 with Apache in a Docker Container

Install and Setup VeraCrypt on Ubuntu 22.04/Ubuntu 20.04

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

Install Nikto Web Scanner on Rocky Linux 8

Enable SSH 2-Factor Authentication on Ubuntu 18.04

How to Install RTIR Module on Request Tracker [2025]

MONITORING

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Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Zabbix server on Debian …

Nagios SNMP Monitoring of Linux Hosts

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

koromicha

In this guide, we are going to learn how to configure Nagios SNMP monitoring of …

Install Arkime (Moloch) Full Packet Capture tool on Ubuntu

Install Arkime Full Packet Capture tool on Ubuntu

gen_too

Welcome to our tutorial on how to install Arkime (Moloch) Full Packet Capture tool on …

nagios rocky

Install Nagios Server on Rocky Linux 8

gen_too

In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides …

fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install and Setup Kolide Fleet …

Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

gen_too

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another …

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 …

nagios nrpe

Install Nagios NRPE Agent on CentOS 8

koromicha

Follow through this guide to learn how to install Nagios NRPE agent on CentOS 8. …

Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

koromicha

Follow through this guide to learn how you can easily monitor Windows system metrics using …

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 …

Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

This guide will take you through how to install Zabbix agent on Windows systems. Install Zabbix Agent on Windows Systems …
kibana

Install ELK Stack on Rocky Linux 8

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the acronym for three open source …
install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous guides, we covered the installation …

NETWORKING

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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 …
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 …
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 …
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 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 …
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, …
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 …
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 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 …

STORAGE

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Install ownCloud Server on Debian 12

Install ownCloud Desktop Client on CentOS 8

Setup Software RAID on Debian 10

Install ownCloud Server on Ubuntu 22.04

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Install ownCloud Desktop Client on Ubuntu 20.04

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Part 3: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

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Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

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 VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

Install Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux 9. We are installing the …
Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …

Install Ubuntu 20.04 on VirtualBox

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu 20.04 is the next major …

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