HowTos

Install Yarn on Rocky Linux 8

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koromicha
VirtualBox, HowTos, Virtualization

Install Rocky Linux 8 on VirtualBox

HowTos, Storage

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Storage, HowTos, RAID

Setup Software RAID on Rocky Linux 8

HowTos, DNS, PowerDNS

Easily Install and Setup PowerDNS on Ubuntu 22.04

Containers

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How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part …
Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Welcome to our guide on configuring shared filesystem for Kubernetes on Rook Ceph Storage. In a Kubernetes cluster, the need …
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 …
Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

install docker ce

Install and Use Docker CE on CentOS 8

install portainer on Linux

Install Portainer on Ubuntu 22.04

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

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

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

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Security

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Quick Guide: Configure Apache Kafka SSL/TLS Encryption for Enhanced Security

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

Quick Way to Install Gophish on Debian 12

Most Popular

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Install Request Tracker (RT) with MariaDB on CentOS
HowTos, Request Tracker (RT), Ticketing Systems

Install Request Tracker (RT) with MariaDB on CentOS 8

Process and Visualize ModSecurity Logs on ELK Stack
HowTos, Elastic Stack, modsecurity, Monitoring, Security

Process and Visualize ModSecurity Logs on ELK Stack

install wireguard vpn on
Security, HowTos, VPN

Install WireGuard VPN Client Ubuntu 24.04

HowTos

Seamless Integration of Tech and Chance in Sports Betting South Africa

install syspass password manager on Ubuntu
OpenLDAP, Directory Server, HowTos, Password Managers, Security, syspass

Integrate sysPass with OpenLDAP for Authentication

Ubuntu 20.04, HowTos, OS

Install NetBeans IDE on Ubuntu 20.04

Install Metasploit on Debian 11/Debian 10

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Install Velociraptor Client on Linux and Windows Systems

Configure Filebeat-Elasticsearch Authentication

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

What Are the Benefits of SOCKS5 Proxy?

Analyze Network Traffic Using Brim Security

Encrypt Drives with LUKS in Linux

Install and Setup Squid Proxy on pfSense

5 Things You Didn’t Know You Can Do with a VPN

Setup IPSec VPN server with Libreswan on Rocky Linux

Install and Setup DVWA on CentOS 8

MONITORING

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Configure Nagios Email Notification Using Gmail

Configure Nagios Email Notification Using Gmail

koromicha

This guide will take you through how to configure Nagios Email Notification using Gmail. Nagios …

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

Kifarunix

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible …

Install Filebeat 9 on Ubuntu/Debian

Install Filebeat 9 on Ubuntu/Debian

Kifarunix

How can I install Filebeat 9 on Ubuntu/Debian? Well, the installation of Filebeat 9 on …

Install Prometheus Node Exporter on CentOS 8

koromicha

In this guide, you will learn how to install Prometheus Node Exporter on CentOS 8. …

Install Elasticsearch 7.x on CentOS 7/Fedora 29

koromicha

This guide will take you through how to install Elasticsearch 7.x on CentOS 7/Fedora 29. …

Install GoAccess on Ubuntu 18.04/Debian 10 Buster

koromicha

In this guide, we are going to learn how to install GoAccess on Ubuntu 18.04/Debian …

Install Elasticsearch 7 on Fedora 30

koromicha

In this guide, you are going to learn how to install Elasticsearch 7 on Fedora …

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 and Configure Wazuh Manager

Install and Configure Wazuh Manager on Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu …

Install Wazuh Agent on RHEL

How to Install Wazuh Agent on RHEL 8/9/10

Kifarunix

In this tutorial, you will learn how to install Wazuh agent on RHEL 8/9/10. Our …

Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

In this guide, we are going to learn how to install Zabbix server on Rocky Linux. Zabbix is an enterprise …
auditbeat 1

Detect Changes to Critical Files in Linux using Auditbeat and ELK

In this tutorial, you will learn how to detect changes to critical files in Linux using Auditbeat and ELK. Auditbeat …
logstash elasticsearch authentication

Configure Logstash Elasticsearch Basic Authentication

This tutorial will show you how you can easily configure Logstash Elasticsearch Basic authentication. If you have secured your Elasticsearch …

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 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 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

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 …
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 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 …
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 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 …
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 …
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 …
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 …

STORAGE

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

How to Install MinIO Object Storage Server on RHEL 9

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Provision Block Storage for Kubernetes on Rook Ceph Cluster

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Part 1: Integrate OpenStack with Ceph Storage Cluster

Install ownCloud Server on Debian 12

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

VIRTUALIZATION

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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 …

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 NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

Kifarunix

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

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 …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

Install KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

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

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox 6.0 on Ubuntu 16.04. Oracle …
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 …
kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

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

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