HowTos, VirtualBox, Virtualization

How to Install FreeBSD 12 on VirtualBox

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koromicha
HowTos

How To Resolve The Overheating Issue On Your Samsung Galaxy S23?

HowTos, HAProxy, Load Balancers

Install HAProxy on Rocky Linux 8

HowTos, VirtualBox, Virtualization

Install Ubuntu 20.04 on VirtualBox

HowTos, VirtualBox, Virtualization

Install Debian 10 Buster on VirtualBox

Containers

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docker hardened images

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

Docker Hardened Images (DHI), launched on May 19, 2025, are revolutionizing software supply chain security as attacks are projected to …
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 …
deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one …
Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Install and Use Docker on Debian 10 Buster

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

install portainer on Linux

Install Portainer on Ubuntu 22.04

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

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

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

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Security

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How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

How to Install OpenVPN Server on Ubuntu 24.04

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

Most Popular

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no machine
HowTos, Remote Desktop

Install NoMachine on Kali Linux

Install Thunderbird mail client on Ubuntu 22.04/Ubuntu 20.04
HowTos,

Install Thunderbird Mail Client on Debian 11/Debian 10

kali linux 2021.3 desktop
Virtualization, HowTos, Security, VirtualBox

Install Kali Linux 2020.3 on VirtualBox

Why You Should Let a Professional Design Your Website
HowTos

Here’s Why You Should Let a Professional Design Your Website

Install Monitorix on Ubuntu 20.04
Monitoring, HowTos, Monitorix

How to Install Monitorix on CentOS 8

Different Types Of Contracts You Can Offer To New Employees
HowTos

Different Types Of Contracts You Can Offer To New Employees

How to Integrate TheHive with MISP

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

Install GVM 21.04 on Rocky Linux 8

Install sysPass Password Manager on Rocky Linux

How to Recover Deleted Data on a Linux System

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Cyber Security: 6 Reasons Why It Is Crucial for Your Business

How to Install and Configure Maltrail on Ubuntu 18.04

MONITORING

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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. …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

koromicha

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This …

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

Monitor Squid logs with Grafana and Graylog

koromicha

In this guide, we are going to learn how to monitor squid logs with Grafana …

Install latest Graylog on CentOS 7

koromicha

Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a …

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 Elastic Stack 7 on Ubuntu

Installing ELK Stack on CentOS 8

koromicha

Welcome to our guide on installing ELK Stack on CentOS 8. ELK is the acronym …

Monitor Linux System Metrics with Prometheus Node Exporter

koromicha

In this tutoria, we are going to learn how to monitor Linux system metrics with …

Configure Filebeat 8 to Write Logs to Specific Data Stream

Configure Filebeat 8 to Write Logs to Specific Data Stream

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

In this guide, we are going to learn how to install Nagios Core on FreeBSD 13. Nagios is an opensource tool that …
enroll Windows systems into Osquery Fleet Manager

Enroll Windows Systems into Osquery Fleet Manager

Welcome to our guide on how to enroll Windows systems into Osquery Fleet Manager. Fleet is the most widely used open …

Install InfluxDB on Fedora 30/Fedora 29

Welcome to our guide on how to Install InfluxDB on Fedora 30/Fedora 29. InfluxDB is an open source time series …

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 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 …
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 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 …
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

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 …
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, …
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 …
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 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 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 …

STORAGE

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

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Setup GlusterFS Distributed Replicated Volume on CentOS 8

How to Install Duplicati Backup Client on Ubuntu 22.04

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Setup Software RAID on Debian 10

Part 3: Integrate OpenStack with Ceph Storage Cluster

Configure and Use Ceph Block Device on Linux Clients

VIRTUALIZATION

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How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

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 …

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 Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

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 …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox 6.1 is available for installation …
Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an easy way to install Linux …
Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

In this tutorial, you will learn how to setup and easily access shared folder on Linux VirtualBox VM. VirtualBox supports …

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