HowTos, Ceph, Containers, Kubernetes, Rook, Storage

Deploy Ceph Storage Cluster in Kubernetes using Rook

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Kifarunix
HowTos, HAProxy, Load Balancers

Install and Setup HAProxy on Ubuntu 20.04

Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Oracle Linux 9

HowTos, Package Installation

How to Install Yarn on Debian 10 Buster

HowTos

Install RabbitMQ on Ubuntu 22.04/Ubuntu 20.04

Containers

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How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

In this tutorial, we are going to learn how to install Docker on Ubuntu 24.04. Docker is a platform that …
how Kubernetes assigns pods to nodes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

In this guide, we’ll walk you through how Kubernetes schedules Pods, from creation to running on a node. Kubernetes is …
nagios docker

Deploy Nagios as a Docker Container

How to install Nagios core in Docker? In this tutorial, you will learn how to deploy Nagios as a Docker …
upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

install portainer on Linux

Install Portainer on Rocky Linux

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

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

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

install portainer on Linux

Install Portainer on Debian 11/Debian 10

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

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

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

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

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

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

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Install and Run MariaDB as a Docker Container

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

docker hardened images

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

Security

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Install LibModsecurity with Apache on Ubuntu 20.04

How To Reset Or Recover Root Password On OPNsense

Most Popular

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Install and Setup LEMP Stack on
HowTos, LEMP Stack

Install LEMP Stack with MySQL 8 on Fedora 30/Fedora 29

Linux Commands, SED

Delete Lines Matching a Specific Pattern in a File using SED

Install Fleet Osquery Manager on Debian 10
Monitoring, HowTos, osquery

Install Fleet Osquery Manager on Debian 10

velociraptor
Security, HowTos, Monitoring

Install and Setup Velociraptor on Ubuntu 20.04

Monitoring, TIG stack

Install and Setup TIG Stack on Fedora 30

install and configure snmp on Linux
Monitoring, HowTos, Icinga, Nagios, SNMP, Zabbix

How to Configure SNMP Version 2c on Debian 9

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

How to Protect Single User Mode with Password in Ubuntu 18.04

WordPress: Fix Updating failed. The response is not a valid JSON response

Install LibModsecurity with Apache on Ubuntu 20.04

Why Creating a Secure Password is Crucial

Install sysPass Password Manager on Ubuntu 18.04

Process and Visualize ModSecurity Logs on ELK Stack

Install ModSecurity 3 with Nginx on Ubuntu 22.04

How to Recover Deleted Data on a Linux System

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

Install and Setup Security Onion on VirtualBox

What are the Benefits Of Using a Password Management For Your Business

MONITORING

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Install and Setup AWStats Log Analyzer on CentOS 8

gen_too

Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS …

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 …

kibana login page

How to Enable Basic Authentication on ELK Stack

gen_too

In this tutorial, you will learn how to enable basic authentication on ELK stack. Elastic/ELK …

Install Grafana on Ubuntu

Install Grafana on Ubuntu 22.04/20.04/18.04

koromicha

In this guide, we are going to learn how to install Grafana on Ubuntu 22.04/20.04/18.04 …

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 GoAccess On Fedora 30/Fedora 29

koromicha

Follow through this guide to learn how to install GoAccess on Fedora 30/Fedora 29. GoAccess …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If …

install icinga2/icingaweb2

How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

Install and Setup Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

Jay Decrame

This guide describes how to easily install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04. If …

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Ubuntu 22.04

koromicha

In this tutorial to learn how to install Sensu Go on Ubuntu 22.04. Sensu is …

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. …
Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Ubuntu 22.04

In this tutorial to learn how to install Sensu Go on Ubuntu 22.04. Sensu is an opensource infrastructure and application …
easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu 20.04. Cacti is a complete …

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 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 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 …
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

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 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, …
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, …
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 …
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 …

STORAGE

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Quick Way to Setup Samba File Server on Debian 10

Install and Configure BackupPC on Debian 10

Install and Configure BackupPC on Rocky Linux 8

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

How to Configure NFS Server on Ubuntu 18.04

Setup Software RAID on Rocky Linux 8

How Install and Configure iSCSI Storage server on CentOS 7

How to Reset Ceph Dashboard Admin Password

VIRTUALIZATION

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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 CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

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 Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

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 …

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. …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

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 and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox 6.0 on Ubuntu 16.04. Oracle …

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