HowTos, Monitoring, Zabbix

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

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koromicha
Containers, HowTos, Kubernetes

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

HowTos

How to become an Instagram Blogger in 2022

HowTos

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Storage, GlusterFS, HowTos

Setup GlusterFS Distributed Replicated Volume on CentOS 8

Containers

More
OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

If your OpenShift workloads are still reading database passwords from Kubernetes Secrets that someone base64 -w0‘d into a YAML manifest …
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 …
deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy “is a free, very fast …
How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

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

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

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

install portainer on Linux

Install Portainer on Rocky Linux

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

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

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

deploy multinode OpenShift cluster using UPI

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

how Kubernetes assigns pods to nodes

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

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

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

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

Security

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How to Install OSSEC Agent on Mac OS

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Detecting Malicious Files with Wazuh and VirusTotal

Most Popular

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2024 Tutorial: Easiest Way to Remote Control Laptops
HowTos

2024 Tutorial: Easiest Way to Remote Control Laptops

HowTos, KVM, Virtualization

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

FIM, Security

Install and Configure AIDE on Ubuntu 18.04

Configure Log Retention Period in ELK Stack
Monitoring, Elastic Stack, HowTos

Configure Log Retention Period in ELK Stack

Install PostgreSQL 15 on Debian 12
HowTos, Database

Install PostgreSQL 15 on Debian 12

velociraptor
Security, HowTos, Monitoring

Install and Setup Velociraptor on Ubuntu 20.04

Install Osquery on Rocky Linux 8

Install and Setup VeraCrypt on Ubuntu 22.04/Ubuntu 20.04

Configure OpenVPN Clients to use specific DNS Server

Install pfSense Firewall on KVM

How to Install and Configure Maltrail on Ubuntu 18.04

Install sysPass Password Manager on Ubuntu 18.04

Install Velociraptor Client on Linux and Windows Systems

How to Enable HTTPS for Request Tracker on Linux

Easily Install ModSecurity with Apache on Rocky Linux 8

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

Setup IPSec VPN Server with Libreswan on CentOS 8

Install sysPass Password Manager on Rocky Linux

MONITORING

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Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins on CentOS 8

koromicha

This guide will walk you through how to install Nagios Plugins on CentOS 8. Nagios …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

Configure Log Retention Period in ELK Stack

Configure Log Retention Period in ELK Stack

koromicha

How do I change the log retention policy in elk stack? In this tutorial, you …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

Install and Configure Nagios Core From Source on Ubuntu 18.04

Install and Configure Nagios Core From Source on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and Configure Nagios Core …

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 Prometheus on Linux

Configure Prometheus Email Alerting with AlertManager

gen_too

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager …

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 Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

koromicha

In this guide, we are going to learn how to install Nagios Core on FreeBSD …

Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. …

nagios rocky

Install Nagios Server on Rocky Linux 8

In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides enterprise-class Open Source IT monitoring, …
install and configure snmp on Linux

Install and Configure SNMP on Rocky Linux 8/9

Follow through this tutorial to learn how to install and configure SNMP on Rocky Linux 8/9. SNMP stands for Simple Network Management Protocol. It …
Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

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

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

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 …
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 …
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 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 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 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 …
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 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 …
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, …
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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Install ownCloud Desktop Client on Debian 10

How to Deploy Ceph Storage Cluster on Debian 12

Install ownCloud Server on Ubuntu 22.04

Backup Windows System via SMB Using BackupPC

Install ownCloud Server on CentOS 8

How to Deploy Ceph Storage Cluster on Rocky Linux

Create LVM Logical Volumes in Linux

Install ownCloud Server on Debian 12

VIRTUALIZATION

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Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

Do you have some VirtualBox virtual machines that you would like to re-use on your …

How to Install FreeBSD 12 on VirtualBox

koromicha

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

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Kifarunix

How can you install Docker desktop on Linux? In this tutorial, you will learn how …

Install VirtualBox Guest Additions on CentOS 8

koromicha

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

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, …

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 …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how …

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 …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially …
Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian project is proud to present …
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 …

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