Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Kali Linux 2021.3

BY
gen_too
Monitoring, Elastic Stack, FreeBSD, HowTos

Install Filebeat on FreeBSD

Monitoring, HowTos, Nagios

Install Nagios NRPE Agents on Debian 11/Debian 10

Directory Server, HowTos, OpenLDAP

Setup OpenLDAP Master-Master Replication on CentOS 8

Storage, BackupPC, HowTos

How to Install BackupPC on Debian 12

Containers

More
Deploy Apps on OpenShift Using BuildConfig

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

In this tutorial, I will walk you through how to deploy apps on OpenShift using BuildConfig. OpenShift has become the …
Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

In this tutorial, we will provide you with a step by step guide on how to install Helm on Kubernetes …
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

In this tutorial, you will learn how to replace OpenShift self-signed Ingress and API SSL/TLS certificates with Lets Encrypt. When …
Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

install portainer on Linux

Install Portainer on Ubuntu 22.04

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on 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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

install portainer on Linux

Install Portainer on Debian 11/Debian 10

install-and-configure-openshift-odf-ocp

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

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Security

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Configure LibModsecurity with Apache on CentOS 8

How to Scan a Remote Host using Nessus Vulnerability Scanner

Install Linux Malware Detect on Ubuntu 22.04/Ubuntu 20.04

Most Popular

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Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)
Monitoring, Containers, HowTos, Kubernetes, OpenShift

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Install Zabbix Agent on Windows Systems
Monitoring, HowTos

Install Zabbix Agent on Windows Systems

Install Gophish on Debian 12
Security, HowTos, Phishing

Quick Way to Install Gophish on Debian 12

HowTos

Install Google Chrome Browser on CentOS 8

Configure ELK Stack Alerting with ElastAlert
Elastic Stack, HowTos, Monitoring

Configure ELK Stack Alerting with ElastAlert

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Install and Enroll Elastic Agents to Fleet Manager in Linux

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Easily Install FortiClient VPN on Oracle Linux

Install Osquery on Rocky Linux 8

Install and Configure Wazuh Manager on Ubuntu 22.04

Creating Custom Nessus Scan Policy Templates

Install GVM 21.4 on Kali Linux

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

Install and Setup Suricata on Rocky Linux

MONITORING

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Install Monitorix on Ubuntu 20.04

How to Install Monitorix on CentOS 8

koromicha

In this guide, we are going to learn how to install Monitorix on CentOS 8. Monitorix is …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Debian 10

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Debian 10. …

How to Monitor Disk Input/Output on Linux

How to Monitor Disk Input/Output on Linux

koromicha

In this tutorial, you will learn how to Monitor Disk Input/Output on Linux. In most …

integrate Suricata with Wazuh for log processing

Integrate Suricata with Wazuh for Log Processing

gen_too

Follow through this tutorial to learn how to integrate Suricata with Wazuh for log processing. …

Install and Configure Prometheus on Debian 9

koromicha

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

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

koromicha

Follow through the guide to install OpenNMS network monitoring tool on Ubuntu 20.04. OpenNMS is …

Install Nagios Core on Debian 10 Buster

koromicha

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

Integrate Prometheus with Grafana for Monitoring

koromicha

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

Install Sysdig system visibility tool on Ubuntu

Install Sysdig System Visibility Tool on Ubuntu 22.04

koromicha

This tutorial will take you through how to install Sysdig system visibility tool on Ubuntu …

nagios nrpe

Install Nagios NRPE Agent on CentOS 8

koromicha

Follow through this guide to learn how to install Nagios NRPE agent on CentOS 8. …

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

In this guide, we are going to show you how to fix AlienVault HIDS events displaying 0.0.0.0 as IP address. …
install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If you are looking at monitoring …
nxlog-ce

Install and Configure NXLog CE on Ubuntu 20.04

In this guide, we are going to learn how to install and configure NXLog CE on Ubuntu 20.04. NXLog is …

NETWORKING

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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 …
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 …
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 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 …
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 …
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, …
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 …

STORAGE

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Setup Replicated GlusterFS Volume on Ubuntu

How to Access Samba Share on Linux and Windows Systems

Install and Configure NFS Server on RHEL/CentOS

Configure and Use Ceph Block Device on Linux Clients

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

How to Deploy Ceph Storage Cluster on Debian 12

Shrink KVM Virtual Machine LVM Partitioned Disk

How to Install BackupPC on Debian 12

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. …

upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux …

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 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 …

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 …

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 Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

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 …

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 fix QEMU/KVM Not Connected Error on Ubuntu 20.04

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu 20.04. Maybe you have installed …
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 …
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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