HowTos

Install and Setup NFS Server on Debian 12

BY
Kifarunix
ntpd, HowTos, NTP

Quickly Setup NTP Server using NTPd on Ubuntu 20.04/18.04

HowTos, Directory Server, OpenLDAP

Setup LDAP Self Service Password Tool on CentOS 8

HowTos

Install osTicket Ticketing system on Debian 11/Debian 10

Certifications, HowTos

Microsoft 70-740: Nail this Exam Easily Using Exam Dumps

Containers

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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 …
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

In this blog post, we cover how to install and configure OADP Operator on OpenShift 4 including preparing object storage, …
How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part …
install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

install portainer on Linux

Install Portainer on Rocky Linux

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Deploy Apps on OpenShift Using BuildConfig

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

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kubernetes Ingress Explained

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Security

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How to Set System Wide Proxy in Ubuntu 18.04

How To Reset Or Recover Root Password On OPNsense

Install OSSEC HIDS Agent on Ubuntu 20.04

Most Popular

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webmin
HowTos, Remote Desktop, System Manager, Webmin

Install Webmin on Rocky Linux 8

Install Wazuh Manager with ELK on Debian
Security, HowTos, Monitoring

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

Install Apache Guacamole on Ubuntu 21.04
Remote Desktop, HowTos

Setup Guacamole Remote Desktop Access Tool on Ubuntu 18.04

Configure Nagios Email Notification Using Gmail
Monitoring, HowTos, Nagios

Configure Nagios Email Notification Using Gmail

osticket
HowTos

Install osTicket Ticketing System on Ubuntu 22.04/Ubuntu 20.04

backuppc admin
BackupPC, HowTos, Storage

Install and Setup BackupPC Server on Ubuntu 20.04

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

How to Easily Enable and Configure Cortex Analyzers

Setup IPSec Site-to-Site VPN Tunnel on pfSense

Install and Setup GVM 20.08 on Ubuntu 20.04

Quick Way to Install Gophish on Debian 12

How to Install NSClient Nagios Monitoring Agent on Windows System

How to Install Acunetix on Ubuntu 18.04

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Detect Changes to Critical Files in Linux using Auditbeat and ELK

4 Reasons Why Home and Remote Workers Should Use a VPN

Configure LibModsecurity with Apache on CentOS 8

Install GVM 21.4 on Kali Linux

MONITORING

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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. …

osquery manager

Integrate Osquery Manager with ELK Stack

gen_too

This guide will take you through how to integrate Osquery manager with ELK Stack. According …

Install Grafana on Ubuntu

Install Grafana Data Visualization Tool on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Grafana Data Visualization Tool …

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 …

install zabbix agent

Install Zabbix Agent on FreeBSD 12

koromicha

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure …

install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

koromicha

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We …

install zabbix agent

Install Zabbix Agent on Ubuntu 22.04/Debian 11

koromicha

In this tutorial, you will learn how to easily install Zabbix agent on Ubuntu 22.04/Debian …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

gen_too

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

grafana server

Install Grafana on Rocky Linux 8

gen_too

In this guide, we are going to learn how to install Grafana on Rocky Linux …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

koromicha

This simple guide will take you through how to Measure CPU Usage in Linux. CPU …

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

How to Debug Logstash Grok Filters

Welcome to our guide on how to debug Logstash Grok filters. Grok filter uses regular expressions to parse unstructured event …
nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If you want to monitor your …
Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server on Ubuntu 24.04. Nagios, now …

NETWORKING

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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, …
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 …
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 …
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 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 …
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 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 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 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 …

STORAGE

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Install ownCloud Server on Debian 11

How to Install MinIO Object Storage Server on RHEL 9

Shrink KVM Virtual Machine LVM Partitioned Disk

Setup GlusterFS Distributed Replicated Volume on CentOS 8

How to Reset Ceph Dashboard Admin Password

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

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

VIRTUALIZATION

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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 VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

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, …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

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 …

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 …

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 …

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. …

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite a number of new major …

Install Debian 10 Buster on VirtualBox

In this guide, we are going to learn how to install Debian 10 Buster on VirtualBox. Debian 10 Buster has …
Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, code name Noble Numbat, has finally …

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