DNS, HowTos, PowerDNS

Easily Install and Setup PowerDNS on Ubuntu 20.04

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koromicha
HowTos

Install DokuWiki on Ubuntu 22.04

Security, OpenVAS, Vulnerability Scanners

Install and Setup OpenVAS 9 Vulnerability Scanner on Ubuntu 18.04

Monitoring, Elastic Stack, HowTos

Setup Multi-node Elasticsearch Cluster

VirtualBox, HowTos, Virtualization

Install Rocky Linux 8 on VirtualBox

Containers

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Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

This tutorial provides a step by step guide on how to install and setup Kubernetes Cluster on Ubuntu 24.04. Kubernetes, …
Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 18.04. Kolla provides Docker …
install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Follow through this guide to learn how to easily install etcdctl on Kubernetes cluster. Kubernetes cluster relies on etcd, a …
Deploy Apps on OpenShift Using BuildConfig

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

Install Helm on Kubernetes Cluster

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

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

install portainer on Linux

Install Portainer on Rocky Linux

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

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Install Fedora CoreOS on KVM Using an ISO File

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

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

backup and restore kubernetes etcd cluster

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

Security

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8 Handy Ways You Can Use A VPN In Your Everyday Life

Automount LUKS Encrypted Device in Linux

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Most Popular

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filebeat kafka connection
Monitoring, Elastic Stack, HowTos, Security, SSL/TLS

Complete Guide: Configuring Filebeat to Send Logs to Kafka

6 Tools That Can Help Protect Your Sensitive Business Information
HowTos, Security

6 Tools That Can Help Protect Your Sensitive Business Information

Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack

Install and Configure Filebeat 7 on Ubuntu 18.04/Debian 9.8

HowTos, Proxy, Ubuntu 18.04

How to Set System Wide Proxy in Ubuntu 18.04

Database, HowTos, MariaDB

Install MariaDB 10.4 on Ubuntu 18.04/Debian 9

VirtualBox, Virtualization

Install Fedora 30 Workstation on VirtualBox

Install Kismet on Ubuntu 18.04

Configure Site-to-Site IPSec VPN on pfSense and Libreswan

Deploy WordPress using Docker Compose

Encrypt Emails using Enigmail on Thunderbird

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

How to Integrate TheHive with MISP

Is a Firewall Box All You Need for Home and Small Office Security?

Scan a Web Application Using Acunetix Scanner

Studying cybersecurity and gaining the greatest achievements in data protection

Install LibModsecurity with Apache on Ubuntu 18.04

ExpressVPN – Easy to Use VPN

MONITORING

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prom

Install Prometheus on Rocky Linux 8

koromicha

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source …

fleet

Install Kolide Fleet Osquery Fleet Manager on Debian 10

koromicha

Welcome to our guide on how to install Kolide Fleet Osquery fleet manager on Debian …

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 …

install arkime on linux

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Kifarunix

This tutorial provides a step by step guide on how to install Arkime with Elasticsearch …

nxlog-ce

Configure NXLog to Forward System Logs to Rsyslog Server on Ubuntu

koromicha

In this guide, we are going to learn how to configure NXLog to forward system …

install zabbix agent

Install Zabbix Agent on Debian 10 Buster

koromicha

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

nxlog-ce

Install and Configure NXLog CE on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install and configure NXLog CE …

How to Monitor IT Infrastructure using Checkmk

How to Monitor IT Infrastructure using Checkmk

koromicha

In this tutorial, you will learn how to monitor IT infrastructure using Checkmk. Checkmk is …

install sensu agent ubuntu/debian

Install Sensu Agent on Rocky Linux

koromicha

This guide will take you through how to install Sensu agent on Rocky Linux systems. …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

koromicha

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This …

Install Nagios Core on Debian 10 Buster

In this guide, we are going to learn how to install Nagios Core on Debian 10 Buster from the source. …
Install Wazuh Agents on Ubuntu/Debian

Easy Way to Install Wazuh Agents on Ubuntu/Debian

In this tutorial, you will learn how to install Wazuh agents on Ubuntu/Debian systems. Wazuh operates in server-client architecture. It …
Install and Configure AlienVault HIDs Agent on a Linux Host

How to Install and Configure AlienVault HIDs Agent on a Linux Host

In this tutorial, we are going to learn how to install and configure AlienVault HIDS agent on a Linux host. …

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, …
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 …
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 …
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 …
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 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

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 …
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, …

STORAGE

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How to Encrypt Data at Rest on Ceph Cluster OSD

Install and Setup Rsyslog Server on Ubuntu 22.04

Install and Configure iSCSI Storage Server on Ubuntu 24.04

How to Reset Ceph Dashboard Admin Password

Install and Configure BackupPC on CentOS 8

Create LVM Logical Volumes in Linux

How to Deploy Ceph Storage Cluster on Rocky Linux

Setup GlusterFS Distributed Replicated Volume on CentOS 8

VIRTUALIZATION

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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 …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

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. …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

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 …

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 …

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 …

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 portainer on Linux

Install Portainer on Rocky Linux

koromicha

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

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

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 …
Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …
kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …

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