HowTos, Encryption, Security, Ubuntu 18.04

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

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koromicha
Virtualization, HowTos, VirtualBox

Easily Install Kali Linux 2021.3 on VirtualBox

HowTos, CMS

The Most Important Content Marketing Tools and Apps in 2023

HowTos, Directory Server, OpenLDAP

Configure OpenLDAP Host Based Authentication

HowTos, Desktop Environment

Install Cockpit on Debian 11/Ubuntu 22.04

Containers

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kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is …
Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

If you are planning on getting started with Kubernetes, then installing Minikube on Ubuntu 24.04 might be the first step …
Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker containers. Deploying a multinode ELK …
Kubernetes Ingress Explained

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

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Deploy Apps on OpenShift Using BuildConfig

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

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

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

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

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

Security

More

Enable SSH 2-Factor Authentication on Ubuntu 18.04

How to Use VeraCrypt on Command Line to Encrypt Drives on Ubuntu

Install pfSense Firewall on KVM

Most Popular

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HowTos, PHP

Install PHP 7.4 on CentOS 8

How to Copy Kibana Dashboard to Another Kibana Space
Monitoring, Elastic Stack, HowTos

How to Copy Kibana Dashboard to Another Kibana Space

install and configure snmp on Linux
Monitoring, HowTos

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

Install and Configure Libreswan VPN Client on Ubuntu/Debian
HowTos, Security, VPN

Install and Configure Libreswan VPN Client on Ubuntu/Debian

ntopng
Monitoring, HowTos

Install ntopng on Rocky Linux 8

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

Install and Configure Squid Proxy on Rocky Linux 8

How to Configure NTP Server on pfSense

Install ModSecurity 3 with Nginx on Ubuntu 22.04

Visualize ClamAV Scan Logs on ELK Stack Kibana

How to Enable Self-Service Password Reset in Request Tracker (RT)

Install and Setup Suricata on Ubuntu 18.04

Encrypt Emails using Enigmail on Thunderbird

Install and Configure Squid Proxy on CentOS 8

Install and Setup OpenVPN Server on Ubuntu 20.04

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

MONITORING

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Monitor Linux Hosts using Nagios check_by_ssh Plugin

Monitor Linux Hosts using Nagios check_by_ssh Plugin

koromicha

Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This …

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

gen_too

In this tutorial, you will learn how to monitor changes to critical files on Windows …

Install OSSEC Agent on Solaris

How to Install OSSEC Agent on Solaris 11.4

koromicha

In this tutorial, we are going to learn how to install OSSEC agent on Solaris …

filebeat

How to run Multiple Filebeat Instances in Linux

gen_too

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. …

How to Enable and Configure Cortex Analyzers

How to Easily Enable and Configure Cortex Analyzers

koromicha

Follow through this tutorial to learn how to enable and configure Cortex Analyzers. Cortex is …

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Kifarunix

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how …

Wazuh siem dashaboard

Install Wazuh SIEM Server on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install Wazuh SIEM server on Ubuntu 24.04. …

install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

koromicha

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If …

filebeat

Configure Filebeat-Elasticsearch Authentication

gen_too

This tutorial will take you through how you can configure filebeat-elasticsearch authentication. You realize that …

Import Assets to AlienVault USM/OSSIM using a CSV file

Import Assets to AlienVault USM/OSSIM using a CSV file

koromicha

In this article, we are going to learn how to import assets to AlienVault USM/OSSIM …

How to Monitor IT Infrastructure using Checkmk

How to Monitor IT Infrastructure using Checkmk

In this tutorial, you will learn how to monitor IT infrastructure using Checkmk. Checkmk is a free and Open Source …
monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

How do I monitor Docker containers in Grafana? Well, in this tutorial, you will learn how to monitor Docker containers …
Install Grafana Plugins Behind a Proxy server

Install Grafana Plugins Behind a Proxy server

This is a quick guide on how to install Grafana plugins behind a proxy server. Installing Grafana Plugins Behind a …

NETWORKING

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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 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 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 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 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 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 …
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 …
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, …
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 …
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 …
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, …

STORAGE

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Backup Windows System via SMB Using BackupPC

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Extend OpenShift CoreOS /sysroot Root Filesystem

Install ownCloud Server on Debian 10 Buster

Setup Software RAID on Debian 10

Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

How to Reduce or Shrink Physical Volume in Linux

How to Encrypt Data at Rest on Ceph Cluster OSD

VIRTUALIZATION

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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 CentOS 8

koromicha

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

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 on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

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 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

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 …
Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

In this tutorial, you will learn how to change Windows boot device from IDE to Virtio on KVM. IDE and …
insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Follow through this step by step guide to lean how to install VirtualBox Guest Additions on Wubuntu. After you have …

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