BIND, DNS, HowTos

Configure BIND as Slave DNS Server on Ubuntu 18.04

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koromicha
HowTos, Containers, Docker, Virtualization

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

BIND, DNS, HowTos, System Manager, Webmin

Configure BIND DNS Server using Webmin on CentOS 8

Elastic Stack, Monitoring

Install Elasticsearch 7.x on CentOS 7/Fedora 29

HowTos, VirtualBox, Virtualization

Resize Root Partition of VirtualBox VM Snapshot

Containers

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Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

This guide walks you through how to configure OpenShift 4 image registry persistent storage with ODF. After deploying OpenShift 4 …
Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

This guide provides a foundational understanding of Kubernetes Kustomize. It will introduce you to Kustomize’s core concepts and the basics. …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, …
Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

install portainer on Linux

Install Portainer on Ubuntu 22.04

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

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

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

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

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

install docker ce

Install Docker CE on Ubuntu 20.04

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Security

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Easily Install FortiClient VPN on Oracle Linux

Install and Configure Snort 3 NIDS on Ubuntu 20.04

How to Install and Setup GRR clients on Ubuntu 18.04/Debian 9

Most Popular

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How Free Infographic Maker Helps In Creating Artistic Presentations
HowTos

How Free Infographic Maker Helps In Creating Artistic Presentations

passbolt
Security, HowTos, Password Managers

Install Passbolt Password Manager on Rocky Linux 8

8 Handy Ways You Can Use A VPN In Your Everyday Life
Security, HowTos, VPN

8 Handy Ways You Can Use A VPN In Your Everyday Life

HowTos, Automate System Tasks, cron jobs

How to Schedule Cron Jobs/Tasks in Linux/Unix

Install Apache Guacamole on Ubuntu 21.04
Remote Desktop, HowTos

Install Apache Guacamole on Ubuntu 20.04

HowTos, DHCP Server

Install and Setup DHCP Server on CentOS 8

Install and Configure Snort 3 on Ubuntu 22.04

Install WPScan on Ubuntu 20.04

Easily Install FortiClient VPN on Oracle Linux

Install and setup GVM 20.08 on Debian 10

Install Zeek on Ubuntu 20.04

6 Cyber Security Tips Everyone Who Runs A Company Should Know

Install ClamAV on Debian 11

Integrate sysPass with OpenLDAP for Authentication

Qualities To Look For When Choosing The Right VPN Service

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Check SSL Certificate Expiry Date from Certificate File

Configure Nginx with SSL/TLS certificates on CentOS 8

MONITORING

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Install OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

koromicha

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 …

Install and Configure Prometheus on Fedora 29/Fedora 28

koromicha

In this guide, we are going to learn how to install and configure Prometheus 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 …

Install and Setup NetData on Ubuntu 20.04/18.04

koromicha

In this tutorial, you will learn how to install and setup NetData on Ubuntu 20.04/18.04. …

Install Graylog 3.0 on CentOS 7

koromicha

Hello there. Today we are going to learn how to install Graylog 3.0 on CentOS …

velociraptor

Install Velociraptor Client on Linux and Windows Systems

cr00t

In this tutorial, you will learn how to install Velociraptor Client on Linux and Windows …

Visualize WordPress User Activity Logs on ELK Stack

Visualize WordPress User Activity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to visualize WordPress user activity logs on ELK …

fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

gen_too

This tutorial will take you through how you can install and enroll Elastic agents to …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

gen_too

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor …

integrate Suricata with Wazuh for log processing

Integrate Suricata with Wazuh for Log Processing

gen_too

Follow through this tutorial to learn how to integrate Suricata with Wazuh for log processing. …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

In this tutorial, you will learn how to install Wazuh server on Rocky Linux 8/Rocky Linux 9. Wazuh is an …
Install Osquery on Ubuntu 20.04

Enroll Osquery Hosts on Fleet Manager

In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet manager. Fleet is the most …
Install OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 system from the source tarball. …

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 …
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 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, …
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 …
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 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 …
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 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 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 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

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How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Create LVM Logical Volumes in Linux

How to Deploy Ceph Storage Cluster on Debian 12

Setup Software RAID on Debian 10

Install ownCloud Server on CentOS 8

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Install ownCloud Server on Debian 10 Buster

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

VIRTUALIZATION

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Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux …

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 …

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

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 …

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 …

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu …

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 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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

install portainer on Linux

Install Portainer on Rocky Linux

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a self-service container service delivery platform …
AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

In this guide, we are going to learn how to autostart VirtualBox VMs on system boot on Linux. On a …
Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

In this tutorial, you will learn on how to simply install Oracle Linux 9 on VirtualBox. With Oracle Linux 9 now …

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