Automation, Ansible, Automation, HowTos

Automate Windows Server Patching with Ansible AWX: Step-by-Step

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Kifarunix
HowTos, Ceph, Cloud Compute, OpenStack, Storage

Part 3: Integrate OpenStack with Ceph Storage Cluster

HowTos, Database, FreeBSD, PHP, phpMyAdmin

Install FAMP Stack on FreeBSD 12

HowTos, Database, MariaDB

Install MariaDB 11 on Ubuntu 22.04/Ubuntu 20.04

Containers, HowTos, Kubernetes

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

Containers

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Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

This tutorial provides a step by step guide on how to install and setup Kubernetes Cluster on Ubuntu 24.04. Kubernetes, …
What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes? Kubernetes, aka K8s, is the current de facto container orchestration platform providing a …
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two …
Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

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

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

how Kubernetes assigns pods to nodes

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Security

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Easily Configure Elasticsearch HTTPS Connection

Install ModSecurity 3 with Nginx on Ubuntu 22.04

Configure IPSEC VPN using StrongSwan on Ubuntu 18.04

Most Popular

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Install Osquery on Linux
Monitoring, HowTos

Monitor Windows Systems using Elastic Osquery Manager

Setup IPSec VPN Server with Libreswan on CentOS 8
HowTos, OpenVPN, Security, VPN

Setup IPSec VPN Server with Libreswan on CentOS 8

5 things to remember when using a rapid eLearning authoring tool for gamification
HowTos

5 things to remember when using a rapid eLearning authoring tool for gamification

Install and Set Up Active Directory on Windows Server 2025 with LDAPS
HowTos, Directory Server

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

, Encryption, Enigmail, Security

Encrypt Emails using Enigmail on Thunderbird

How to Install OSSEC Agent on Mac OS

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Install and Configure AIDE on Ubuntu 18.04

Connect to VPN Automatically on Ubuntu 20.04/18.04

Install GVM 21.4 on Kali Linux

How to Install OSSEC Agent on Solaris 11.4

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

Install and Setup DVWA on Debian 10

Analyze Network Traffic using Zeek

Detecting Malicious Files with Wazuh and VirusTotal

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Common Mistakes When Using A White Paper Example

MONITORING

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Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Oracle Linux

koromicha

Follow through this tutorial to learn how to install Fleet osquery manager on Oracle Linux. …

Install Osquery on Linux

Install Osquery on Debian 10 Buster

koromicha

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

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. …

Configure Nagios Availability Monitoring on AlienVault

Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

koromicha

In this guide, we are going to learn how to configure availability Monitoring on AlienVault …

Install and Configure Nagios Core From Source on Ubuntu 18.04

Install and Configure Nagios Core From Source on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and Configure Nagios Core …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Rocky Linux

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Rocky Linux. …

Easy way to Integrate TheHive with Cortex

Easy way to Integrate TheHive with Cortex

gen_too

In this tutorial, you will learn how an easy way to integrate TheHive with Cortex. …

filebeat

How to run Multiple Filebeat Instances in Linux

gen_too

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. …

Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

gen_too

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This guide has been tested on …
Install Sysdig system visibility tool on Ubuntu

Install Sysdig System Visibility Tool on Ubuntu 22.04

This tutorial will take you through how to install Sysdig system visibility tool on Ubuntu 22.04. Sysdig is a simple …
Install Grafana on Debian 12

How to Install Grafana on Debian 12

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian 12. Grafana is a powerful …

NETWORKING

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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 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 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, …
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 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 …
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 …
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 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 …
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, …
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 …

STORAGE

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Install ownCloud Desktop Client on Ubuntu 20.04

Setup Software RAID on Rocky Linux 8

How to Deploy Ceph Storage Cluster on AlmaLinux

How to Reset Ceph Dashboard Admin Password

Configure ownCloud OpenLDAP Authentication

How to Deploy Ceph Storage Cluster on Debian 12

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

How to Install BackupPC on Debian 12

VIRTUALIZATION

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bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

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 …

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

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

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 …

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 …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

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

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

How would you configure OpenStack networks for Internet access? Internet access is crucial for various reasons within an OpenStack environment. …
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 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, …

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