HowTos

9 Apps and Extensions for Students

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Jay Decrame
Ubuntu 18.04, Load Balancers, Pound

Install and Configure Pound as Apache HTTP Load balancer on Ubuntu 16.04

Storage, HowTos, KVM, Virtualization

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

VirtualBox, Virtualization

Install VirtualBox Extension Pack on VirtualBox 6.0

Monitoring, Nagios

Install and Configure Nagios Core from Repos on Ubuntu 18.04

Containers

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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, …
install docker ce on debian 12

How to Install Docker CE on Debian 12

In this tutorial, we are going to learn how to install Docker CE on Debian 12. Docker is a platform …
Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

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

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

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

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

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

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

docker hardened images

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

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Security

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Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

Install ModSecurity 3 with Apache in a Docker Container

How to Install OpenVPN Server on Ubuntu 24.04

Most Popular

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How To Stay Competitive In Online Marketing
HowTos

How To Stay Competitive In Online Marketing

Install and Setup Tailscale VPN on Debian 12
Security, HowTos, VPN

How to Install and Setup Tailscale VPN on Debian 12

How to Choose a Reliable and Fast Web Hosting Provider Perfect for Your Business
HowTos

How to Choose a Reliable and Fast Web Hosting Provider Perfect for Your Business

Setup NFS Server on Ubuntu
HowTos

How to Setup NFS Server on Ubuntu 22.04

How to Install Red Hat Discovery Tool on RHEL 9
HowTos

How to Install Red Hat Discovery Tool on RHEL 9

Install and Setup VeraCrypt
HowTos, Encryption, Security, Ubuntu 18.04

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

6 Tools That Can Help Protect Your Sensitive Business Information

How to Protect From Identity Theft Online: A Detailed Guide for 2022

Install and Setup Suricata on Ubuntu 18.04

The Smart Business Owner’s Guide to Access Control and Biometric Security

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

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

How to Install OpenVPN Server on Ubuntu 24.04

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

How to Enable Secure Shell (SSH) server on OPNsense

Enroll Windows Systems into Osquery Fleet Manager

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

Integrate sysPass with OpenLDAP for Authentication

MONITORING

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Install Monitorix on Ubuntu 20.04

Install Monitorix on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install Monitorix on Ubuntu 20.04. Monitorix is …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Debian 10

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Debian 10. …

How to Copy Kibana Dashboard to Another Kibana Space

How to Copy Kibana Dashboard to Another Kibana Space

koromicha

Is it possible to copy Kibana dashboard to another Kibana Space? Yes, definitely. In this …

Install ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

fleet

Install Kolide Fleet Osquery Fleet Manager on Debian 10

koromicha

Welcome to our guide on how to install Kolide Fleet Osquery fleet manager on Debian …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

koromicha

Follow through this guide to learn how you can easily monitor Windows system metrics using …

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Debian 11

koromicha

Follow through this tutorial to learn how to install Sensu Go on Debian 11. Sensu …

Install and Configure Zabbix

Add Hosts to Zabbix Server for Monitoring

koromicha

This guide will take you through how you can be able to add hosts to …

Monitor Squid logs with Grafana and Graylog

In this guide, we are going to learn how to monitor squid logs with Grafana and Graylog. You can check …
check mk agents

How to Install Checkmk Monitoring Agents on Linux

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

Monitoring Gitlab Metrics with Prometheus and Grafana

In this tutorial, we will learn about monitoring Gitlab metrics with Prometheus and Grafana. Grafana is a data visualization and …

NETWORKING

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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 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 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 …
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 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 …
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 …
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, …
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

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Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

Install ownCloud Desktop Client on Ubuntu 20.04

Install and Configure BackupPC on Debian 10

How to Encrypt Data at Rest on Ceph Cluster OSD

Backup Windows System via SMB Using BackupPC

Create LVM Logical Volumes in Linux

Install and Setup BackupPC Server on Ubuntu 20.04

Part 3: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

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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 …

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 …

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 …

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 Extension Pack on VirtualBox 6.0

koromicha

Welcome to our tutorial on how install VirtualBox extension pack on VirtualBox 6.0. This guide …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

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

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 …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …
Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, code name Noble Numbat, has finally …
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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