HowTos

6 Things You Need To Know About Launching A Startup

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gen_too
Monitoring, Containers, Docker, Elastic Stack, HowTos

Deploy ELK Stack 8 Cluster on Docker Containers

LPIC-2, Capacity planning, LPIC-2 Exam 201-405 Topics and Objectives

How to Measure Memory Usage in Linux

HowTos, Monitoring, Security

Integrate Suricata with Wazuh for Log Processing

Vulnerability Scanners, HowTos, Nessus, Security

Install and Setup Nessus Scanner on Ubuntu 20.04

Containers

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kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is …
install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Follow through this guide to learn how to easily install etcdctl on Kubernetes cluster. Kubernetes cluster relies on etcd, a …
docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

How to run ELK stack on Docker? In this tutorial, we are going to learn how to deploy a single …
install portainer on Linux

Install Portainer on Ubuntu 22.04

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

install-and-configure-openshift-odf-ocp

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

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

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

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

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

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

install docker ce

Install Docker on Rocky Linux 8|9

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

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

Security

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Assign Static IP Addresses for OpenVPN Clients

How to Recover Deleted Data on a Linux System

Install and Configure AIDE on Ubuntu 20.04

Most Popular

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Example Usage of ps Command in Linux
Linux Commands, HowTos

Example Usage of ps Command in Linux

Safely Remove Compute Node from OpenStack Deployment
HowTos, Cloud Compute, OpenStack

Safely Remove Compute Node from OpenStack Deployment

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS
HowTos, Nginx, Security, WAF, Web Servers

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS

HowTos, Linux Commands

Installing Perf Performance Analysis Tool on Ubuntu 18.04

install dokuwiki on Ubuntu
HowTos

Install DokuWiki on Ubuntu 22.04

Install Monitorix on Ubuntu 20.04
Monitoring, HowTos, Monitorix

Install Monitorix on Ubuntu 20.04

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Install Zammad Ticketing System on Debian 12

Install Nessus Professional Scanner on Debian 10

Encrypt Emails using Enigmail on Thunderbird

Install LibModsecurity with Apache on Ubuntu 20.04

Install and Setup Suricata on CentOS 8

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

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Install Passbolt on Debian 12

Install and Setup DVWA on CentOS 8

Connect to VPN Automatically on Ubuntu 20.04/18.04

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

MONITORING

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Integrate Prometheus with Grafana for Monitoring

koromicha

This guide will take you through how to integrate Prometheus with Grafana for Monitoring. As …

Install Wazuh Agents on Ubuntu/Debian

Easy Way to Install Wazuh Agents on Ubuntu/Debian

gen_too

In this tutorial, you will learn how to install Wazuh agents on Ubuntu/Debian systems. Wazuh …

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 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. …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

gen_too

In this tutorial, you will learn how to install Wazuh server on Rocky Linux 8/Rocky …

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 …

Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

gen_too

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures …

filebeat

Install and Configure Filebeat on CentOS 8

gen_too

In this tutorial, we are going to learn how to install and configure Filebeat on …

Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

gen_too

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. …

wazuh app elk

Integrate Wazuh Manager with ELK Stack

gen_too

In this tutorial, you will learn how to integrate Wazuh manager with ELK stack as …

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. Docker containers have revolutionized how …
install Fleet osquery manager on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04/Ubuntu 22.04. With the official retirement …
monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

How do I monitor Docker containers in Grafana? Well, in this tutorial, you will learn how to monitor Docker containers …

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 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 …
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 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 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 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 …
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 …
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 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 …

STORAGE

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How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Move Linux OS Installation to Another Drive

Install ownCloud Server on CentOS 8

Install and Setup BackupPC Server on Ubuntu 20.04

Setup Software RAID on Ubuntu 20.04

Install ownCloud Server on Debian 10 Buster

Install and Setup GlusterFS on Ubuntu 18.04

Extend OpenShift CoreOS /sysroot Root Filesystem

VIRTUALIZATION

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Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

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 portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

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. …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

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 …

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 …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on Linux Mint 21. VirtualBox guest …
Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

In this tutorial, you will learn how to create and upload custom Linux image into OpenStack. An image is a …
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, …

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