HowTos, LEMP Stack, MariaDB, MySQL, Nginx, PHP, Web Servers

Quick Way to Install LEMP Stack on Debian 11

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gen_too
Storage, BackupPC, HowTos

Backup Windows System with BackupPC Using Rsyncd

Security, HowTos, OpenVPN, VPN

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

Monitoring, Elastic Stack, HowTos

Install ELK Stack 8 on Debian 12

HowTos, Desktop Environment, Remote Desktop, VNC

Install and Configure VNC Server on CentOS 8

Containers

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kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

What is the difference between Kubernetes kubectl drain and kubectl cordon commands? Well, keeping your Kubernetes cluster healthy and running …
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, …
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 …
Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

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

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from 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?

install portainer on Linux

Install Portainer on Ubuntu 22.04

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

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

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

install docker ce on debian 12

How to Install Docker CE on Debian 12

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Security

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How to fix WordPress could not establish a secure connection to WordPress.org

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

How to Enable HTTPS for Request Tracker on Linux

Most Popular

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wazuh vt
Security, HowTos, Monitoring

Detecting Malicious Files with Wazuh and VirusTotal

Configure Postfix to Use Gmail SMTP Relay
HowTos, , Ubuntu 18.04

Configure Postfix to Use Gmail SMTP on Ubuntu 18.04

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary
Networking, HowTos

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

HowTos, VirtualBox, Virtualization

Resize Root Partition of VirtualBox VM Snapshot

Understanding Deployments in Kubernetes: A Comprehensive Guide
Kubernetes, Containers, HowTos

Understanding Deployments in Kubernetes: A Comprehensive Guide

register and patch RHEL hosts using Satellite
HowTos, Red Hat Satellite

How to Register and Patch RHEL Hosts using Satellite Server

Install ModSecurity with Apache on Debian 12

Install Fleet Osquery Manager on Oracle Linux

Install Zammad Ticketing System on Debian 12

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Install OpenVAS 10 (GVM) on Debian 10 Buster

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

When It Comes to Security, Don’t Overlook Your Linux Systems

Install and Configure AIDE on Ubuntu 20.04

How to Integrate ELK Stack with TheHive

How to Install OPNsense on VirtualBox

Install and Configure OpenVPN Client on CentOS 8/Ubuntu 18.04

Install and Setup Velociraptor on Debian 10

MONITORING

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Install and Configure Prometheus on CentOS 8

koromicha

Welcome to our guide on how to install and configure Prometheus on CentOS 8. Prometheus …

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

Kifarunix

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible …

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 and Configure Prometheus on Fedora 29/Fedora 28

koromicha

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

Install and Setup Prometheus on Ubuntu 20.04

gen_too

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

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. …

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Kifarunix

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. …

kibana

Install ELK Stack on Rocky Linux 8

gen_too

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the …

Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

Kifarunix

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL …

Install Elastic Stack 7 on Ubuntu

Install and Configure Filebeat 7 on Ubuntu 18.04/Debian 9.8

koromicha

This guide discusses how to install and configure Filebeat 7 on Ubuntu 18.04/Debian 9.8. This …

Install and Setup Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

This guide describes how to easily install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04. If you want to monitor your …
Install Prometheus on Linux

Configure Prometheus Email Alerting with AlertManager

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager is used to handle alerts …
Install Grafana on Ubuntu

Install Grafana on Ubuntu 22.04/20.04/18.04

In this guide, we are going to learn how to install Grafana on Ubuntu 22.04/20.04/18.04 servers. Grafana is the open source …

NETWORKING

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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 …
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 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 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 …
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 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 …
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 …
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, …

STORAGE

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Easy way to Setup NFS Server on Ubuntu 20.04

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Part 1: Integrate OpenStack with Ceph Storage Cluster

How to Encrypt Data at Rest on Ceph Cluster OSD

Configure ownCloud OpenLDAP Authentication

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

VIRTUALIZATION

More
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 …

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 …

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Kifarunix

Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

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 Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, 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 Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

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 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. …

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …

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 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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