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Kifarunix
HowTos

Install Microsoft Teams on Rocky Linux 8

Security, HowTos, Monitoring

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

Containers, HowTos, Kubernetes

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

HowTos, DNS, LPIC-2, LPIC-2 Exam 202-405 Topics and Objectives

Configure Local DNS Server using Dnsmasq on Ubuntu 20.04

Containers

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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

In this tutorial, you will learn how to replace OpenShift self-signed Ingress and API SSL/TLS certificates with Lets Encrypt. When …
upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

In this blog post, I’ll walk you through a flawless step-by-step guide on how to upgrade OpenShift Cluster, from pre-update …
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, …
automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

how Kubernetes assigns pods to nodes

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

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

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

Deploy Apps on OpenShift Using BuildConfig

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

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

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

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

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

install portainer on Linux

Install Portainer on Debian 11/Debian 10

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

install docker ce

Install Docker on Rocky Linux 8|9

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Security

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Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Install ClamAV on Debian 11

Install and Configure Tripwire Security Monitoring tool on CentOS 8

Most Popular

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intercept file upload modsec clamav
Security, HowTos, modsecurity

Intercept Malicious File Upload with ModSecurity and ClamAV

bullseye 11
HowTos

Install VirtualBox Guest Additions on Debian 11

BIND, DNS, HowTos, System Manager, Webmin

Configure BIND DNS Server using Webmin on CentOS 8

install ubuntu 25.04 on virtualbox
Virtualization, HowTos, VirtualBox

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

Setting Up Linux VM for Coding: Student Guide
HowTos, OS

Setting Up Linux VM for Coding: Student Guide

HowTos, Remote Desktop

How to Install and Configure Guacamole on Fedora 29

How to Enable Secure Shell (SSH) server on OPNsense

Install sysPass Password Manager on Debian 11/Debian 10

Import Assets to AlienVault USM/OSSIM using a CSV file

Top Ways To Raise Cybersecurity Awareness In Your Business

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

Configure Squid Proxy OpenLDAP Authentication on pfSense

Top 8 Security Skills To Prevent Cyber Threats

Install Wireshark on Rocky Linux

How to Install OSSEC Agent on Solaris 11.4

Why Should You Be Using Ubuntu? 6 Advantages

How to Install and Configure AlienVault HIDs Agent on a Linux Host

Configure LibModsecurity with Apache on CentOS 8

MONITORING

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filebeat

Install Filebeat on Fedora 30/Fedora 29/CentOS 7

Jay Decrame

In this guide, we are going to learn how to install Filebeat on Fedora 30/Fedora …

nagios rocky

Install Nagios Plugins on Rocky Linux 8

gen_too

This guide will walk you through how to install Nagios Plugins on Rocky Linux 8. …

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 zabbix agent

Install Zabbix Agent on FreeBSD 12

koromicha

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure …

Install OSSEC HIDS Agent

Install OSSEC Agent on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install OSSEC Agent on Debian …

Install Elastic Stack 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

In this guide, we are going to learn how to install Elastic Stack 7 on …

Install Wazuh Agent on pfSense

Install Wazuh Agent on pfSense

gen_too

In this guide, you will learn how to install Wazuh agent on pfSense. pfSense is …

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 …

filebeat kafka connection

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Kifarunix

How can I configure Filebeat to send logs to Kafka? This is a complete guide …

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 LibreNMS on Linux

Install LibreNMS on Debian 11/Debian 10

Follow through this tutorial to learn how to install LibreNMS on Debian 11/Debian 10. LibreNMS is a fully featured MySQL/PHP …
install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 22.04/Debian 11. SNMP is …
Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

How to Debug Logstash Grok Filters

Welcome to our guide on how to debug Logstash Grok filters. Grok filter uses regular expressions to parse unstructured event …

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 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 …
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 …
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 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 …
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 …
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 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 …
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, …
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 …

STORAGE

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Configure ownCloud OpenLDAP Authentication

Part 1: Integrate OpenStack with Ceph Storage Cluster

Install and Configure BackupPC on CentOS 8

Install ownCloud Server on Debian 11

Quick Way to Setup Samba File Server on Debian 10

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Install ownCloud Server on Ubuntu 22.04

VIRTUALIZATION

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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 …

perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

Kifarunix

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

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 …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

Install VirtualBox Guest Additions on CentOS 8

koromicha

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

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 …

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Kifarunix

Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

Install Ubuntu 20.04 on VirtualBox

koromicha

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

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 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 …
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 Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

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

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