Security, HowTos, VPN

ExpressVPN – Easy to Use VPN

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gen_too
HowTos

Install and Setup i3 Windows Manager on Debian 11

Storage, GlusterFS, HowTos

Setup Replicated GlusterFS Volume on Ubuntu

HowTos, Security

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

HowTos

How to Use Your Strengths as An Introvert to Run a Successful Online Business

Containers

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OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

In this blog post, we’ll cover OpenShift Builds and BuildConfig essentials, providing you with the fundamental knowledge and practical steps …
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 …
Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

How can I setup a Docker swarm? In this tutorial, you will learn how to setup three node Docker swarm …
Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

install portainer on Linux

Install Portainer on Rocky Linux

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

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

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

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

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

install-and-configure-openshift-odf-ocp

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

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

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

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

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

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Security

More

Install ModSecurity with Apache on Ubuntu 22.04

Configure LibModsecurity with Nginx on CentOS 8

Most Popular

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Deploy Multi-Node OpenStack using Kolla-Ansible
HowTos, Automation, Cloud Compute, Containers, Docker, OpenStack

Deploy Multinode OpenStack using Kolla-Ansible

Helpful Tips On How To Choose the Right Educational Software
HowTos

Helpful Tips On How To Choose the Right Educational Software

install-and-configure-openshift-odf-ocp
Containers, Ceph, HowTos, Kubernetes, OpenShift, Storage

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

HowTos

Install Bugzilla Bug Tracker on CentOS 8

install anydesk on Ubuntu
HowTos, Remote Desktop

Install AnyDesk on Ubuntu 24.04/22.04/20.04

metasploit
HowTos, Security

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Quick Way to Enable Kibana HTTPS Connection

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

Install Cisco AnyConnect Client on CentOS 8

Install and Configure Squid Proxy on CentOS 8

Install OSSEC Agent on Debian 10 Buster

Setup OpenVPN Server on CentOS 8

Install ClamAV on Rocky Linux 8

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

WordPress: Fix Updating failed. The response is not a valid JSON response

Install and Use Nikto Web Scanner on Ubuntu 20.04

MONITORING

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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 zabbix agent

Compile and Install Zabbix Agent on FreeBSD 12

koromicha

Welcome to our guide on how to compile and install Zabbix Agent on FreeBSD 12. …

Install Grafana Metrics Monitoring Tool on Debian 9

koromicha

Hello guys, we are at it again on how to install Grafana metrics monitoring tool …

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

Kifarunix

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to …

Install NSClient Nagios Monitoring Agent on Windows System

How to Install NSClient Nagios Monitoring Agent on Windows System

koromicha

In this tutorial, we are going to learn how to install NSClient Nagios monitoring agent …

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

Install and Setup TIG Stack on Fedora 30

koromicha

In this guide, we are going to learn how to install and setup TIG stack …

Install MISP on Ubuntu 22.04/Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04. …

filebeat

Configure Filebeat-Elasticsearch Authentication

gen_too

This tutorial will take you through how you can configure filebeat-elasticsearch authentication. You realize that …

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

koromicha

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS …

Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. The recent versions of Elastic …
install icinga2/icingaweb2

Install Icinga 2 and Icinga Web 2 on Ubuntu 20.04

In this tutorial, we are going to learn how to install Icinga 2 and Icinga Web 2 on Ubuntu 20.04. …
nagios

Install Nagios on Debian 11

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is an opensource tool that provides …

NETWORKING

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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 …
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 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 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 …
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 …
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 …
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 …
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 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 …

STORAGE

More

How to Deploy Ceph Storage Cluster on AlmaLinux

Install ownCloud Server on Debian 12

How to Deploy Ceph Storage Cluster on Rocky Linux

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

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install ownCloud Server on Debian 11

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

VIRTUALIZATION

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Install Debian 10 Buster on VirtualBox

koromicha

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

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how …

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 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. …

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 …

AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

koromicha

In this guide, we are going to learn how to autostart VirtualBox VMs on system …

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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

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 Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux 8. In our previous guide, …

How to Install FreeBSD 12 on VirtualBox

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD can run well in a …

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 …

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