HowTos, Apache, Nginx, PHP

How to Install PHP 7.3.3 on Ubuntu 18.04

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koromicha
Security, HowTos, modsecurity, Monitoring, Wazuh

How to Install Wazuh Agent on RHEL 8/9/10

HowTos, Directory Server, FreeIPA

Configure Host-Based Access Control on FreeIPA Server

Security, HowTos, OpenVAS, Vulnerability Scanners

Install GVM 21.4 on Ubuntu 20.04

Monitoring, HowTos, Monitorix

Install Monitorix on Debian 10

Containers

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Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Introduction In today’s rapidly evolving technological landscape, serverless computing has emerged as a game-changer, redefining the way developers build and …
Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

This tutorial provides a step-by-step guide on how to install Kubernetes Metrics server on a Kubernetes cluster. Kubernetes Metrics Server …
Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

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

In this blog post, you’ll learn how to patch sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX to secure your …
Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

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

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Deploy Apps on OpenShift Using BuildConfig

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

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

install portainer on Linux

Install Portainer on Debian 11/Debian 10

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Kubernetes Ingress Explained

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

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

install docker ce

Install and Use Docker CE on CentOS 8

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Security

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Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

How to Configure NTP Server on pfSense

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Most Popular

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Install IBM QRadar Community Edition SIEM on VirtualBox
Security, QRadar, SIEM, VirtualBox

How to Install IBM QRadar Community Edition SIEM on VirtualBox

Install Apache Guacamole on Ubuntu 21.04
Remote Desktop, HowTos

Install Apache Guacamole on Ubuntu 21.04

HowTos, Security, System Auditing

How to Perform System Security Auditing with Lynis on Ubuntu 18.04

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses
HowTos, Security

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

Install Apache Guacamole on Ubuntu 21.04
Remote Desktop, HowTos

Install Apache Guacamole on Ubuntu 20.04

Setup Software RAID on Ubuntu 20.04
Storage, HowTos, RAID

Setup Software RAID on Ubuntu 20.04

How to Install Acunetix on Ubuntu 18.04

Install and use ClamAV on Ubuntu 20.04

Analyze Network Traffic using Zeek

Setup IPSec Site-to-Site VPN Tunnel on pfSense

What Is an SSL Certificate and How Can It Benefit Your Business?

How to Integrate TheHive with MISP

Install ModSecurity with Apache on Debian 12

Tips For Choosing The Right Antivirus Software

How to Reset Ceph Dashboard Admin Password

How to Add and Scan a Target for Vulnerabilities on OpenVAS Scanner

Install and Configure Wazuh Manager on Ubuntu 22.04

Install Greenbone Vulnerability Management (GVM) on Debian 12

MONITORING

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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 …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

In this guide, we are going to learn how to install Zabbix server on Ubuntu …

Install OSSEC HIDS Agent

Install OSSEC Agent on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install OSSEC Agent on Debian …

Install Icinga 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga 2 on Debian …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

Nagios SNMP Monitoring of Linux Hosts

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

koromicha

In this guide, we are going to learn how to configure Nagios SNMP monitoring of …

Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Zabbix server on Debian …

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 …

filebeat

Easy way to Configure Filebeat-Logstash SSL/TLS Connection

koromicha

In this tutorial, we will show you an easy way to configure Filebeat-Logstash SSL/TLS Connection. …

filebeat kafka connection

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Kifarunix

How can I configure Filebeat to send logs to Kafka? This is a complete guide …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

In this tutorial, you will learn how to install Wazuh agent on Rocky Linux 8. Our previous setup was on …

Setup Kibana Elasticsearch and Fluentd on CentOS 8

Hello there. In this tutorial, you will learn how to setup Kibana Elasticsearch and Fluentd on CentOS 8. Normally, you …
Install and Setup Nagios

Install Nagios Server on CentOS 8

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

NETWORKING

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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

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 …
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 …
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 …
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 …
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 …
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 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 …
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, …
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 …

STORAGE

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How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

How to Move Linux OS Installation to Another Drive

Configure and Use Ceph Block Device on Linux Clients

Setup GlusterFS Distributed Replicated Volume on CentOS 8

How to Encrypt Data at Rest on Ceph Cluster OSD

How to Install MinIO Object Storage Server on RHEL 9

Install and Configure BackupPC on Debian 10

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

VIRTUALIZATION

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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 …

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 …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

Install Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux …

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 …

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 …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

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 …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

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

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

In this tutorial, we will walk you through the steps of creating KVM virtual machines with Kickstart. If you are …
kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been released. According to the release …

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