Monitoring, HowTos

Install LibreNMS on Debian 11/Debian 10

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koromicha
HowTos

How to become an Instagram Blogger in 2022

HowTos, Ceph, Cloud Compute, OpenStack, Storage

Part 3: Integrate OpenStack with Ceph Storage Cluster

Monitoring, HowTos, osquery, Security

Install Osquery on Ubuntu 20.04

Storage, HowTos

Easily Install and Configure Samba File Server on Ubuntu 20.04

Containers

More
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two …
Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

How can you setup Kubernetes cluster on Ubuntu? In this tutorial, you will learn how to install and setup Kubernetes …
nagios docker

Deploy Nagios as a Docker Container

How to install Nagios core in Docker? In this tutorial, you will learn how to deploy Nagios as a Docker …
Configure OpenShift 4 Image Registry Persistent Storage with ODF

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

backup and restore kubernetes etcd cluster

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

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

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

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Install Fedora CoreOS on KVM Using an ISO File

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

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kubernetes Ingress Explained

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

install docker ce

Install Docker on Rocky Linux 8|9

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Security

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Installing Metasploit on Ubuntu 18.04 LTS

Website Security Testing: What Is It and Why Is It Important?

Install Metasploit Framework on Fedora 29

Most Popular

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Linux Commands, Perf

Installing Perf Performance Analysis Tool on CentOS 8

List of top 10 Tips to Protect your Privacy Online
HowTos, Security, VPN

List  of top 10 Tips to Protect your Privacy Online

Setup Software RAID on Ubuntu 20.04
Storage, HowTos, RAID

Setup Software RAID on Ubuntu 20.04

Deploy ELK Stack 8 on Docker Containers
Monitoring, Containers, Docker, Elastic Stack, HowTos

Deploy ELK Stack 8 Cluster on Docker Containers

Install Rocky Linux 9 on VirtualBox
HowTos, VirtualBox, Virtualization

Install Rocky Linux 9 on VirtualBox

Kubernetes cluster high availability
Containers, HowTos, Kubernetes

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Install Zeek on Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

How to Install Acunetix on Ubuntu 18.04

Install LibModsecurity with Apache on Ubuntu 20.04

Install Passbolt Password Manager on Rocky Linux 8

How to Integrate TheHive with MISP

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

Encrypt Files and Directories with eCryptFS on Ubuntu 20.04

How to Monitor OpenVPN Connections using openvpn-monitor tool

Install SpiderFoot on Ubuntu 20.04

Quick Way to Install Gophish on Debian 12

MONITORING

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Install InfluxDB on Fedora 30/Fedora 29

koromicha

Welcome to our guide on how to Install InfluxDB on Fedora 30/Fedora 29. InfluxDB is …

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 …

Install LibModsecurity with Apache on Ubuntu 20.04

Install ModSecurity with Apache on Ubuntu 22.04

gen_too

Welcome to our guide on how to install ModSecurity with Apache on Ubuntu 22.04. Modsecurity …

Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

Kifarunix

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL …

nagios rocky

Install Nagios Server on Rocky Linux 8

gen_too

In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides …

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 …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

gen_too

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor …

export Kibana search results to CSV/Excel file

Easily Export Kibana Search Results to CSV/Excel file

Kifarunix

How can i easily export Kibana search results to CSV/Excel file? Well, that is an …

Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. …

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

Follow through this guide to learn how you can easily monitor Windows system metrics using Sensu. Sensu is an opensource infrastructure …
Process and Visualize ModSecurity Logs on ELK Stack

Process and Visualize ModSecurity Logs on ELK Stack

In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK Stack. ModSecurity is an open …

How to Monitor OpenVPN Connections using openvpn-monitor tool

In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor tool. This tutorial focuses on …

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 …
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, …
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 …
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 …
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 …
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 …
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, …
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 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 …

STORAGE

More

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Move Linux OS Installation to Another Drive

Easy way to Install ownCloud Desktop Client on Debian 12

Install and Setup BackupPC Server on Ubuntu 20.04

Install ownCloud Server on Ubuntu 22.04

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

VIRTUALIZATION

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Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is …

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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

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

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Install VirtualBox on Debian 11 Desktop

gen_too

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

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

How would you configure OpenStack networks for Internet access? Internet access is crucial for various reasons within an OpenStack environment. …
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 …
install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based Virtual Machine) is an opensource, …

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