Security, HowTos, SSH

Securely SSH to Remote Host via Multiple Jump Hosts

BY
Kifarunix
Monitoring, HowTos, Icinga, Nagios, SNMP, Zabbix

How to Configure SNMP Version 2c on Debian 9

HowTos

Install Sublime Text on Ubuntu 24.04

Monitoring, HowTos

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

HowTos

How To Establish A Solid Foundation for Data Security, Privacy, and Confidential

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 …
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 …
Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

How can I setup a Docker swarm? In this tutorial, you will learn how to setup three node Docker swarm …
Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

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

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

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

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

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

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

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

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

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

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

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

install docker ce

Install Docker CE on Ubuntu 20.04

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Security

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Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Install and Configure Endian Firewall on VirtualBox

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Most Popular

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php8.0
HowTos, PHP

Install PHP 8.0/8.1/8.2/8.x on Debian 11

Security, Acutenix, Vulnerability Scanners

How to Install Acunetix on Ubuntu 18.04

Different types of onboarding videos to enhance the onboarding process
HowTos

Different types of onboarding videos to enhance the onboarding process

OpenVAS, Security, Vulnerability Scanners

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

install portainer on Linux
Virtualization, Containers, Docker, HowTos

Install Portainer on Debian 11/Debian 10

How to Recover Deleted Data on a Linux System
HowTos, Linux Commands, Security

How to Recover Deleted Data on a Linux System

Install ModSecurity with Apache on Debian 12

Ship System Logs to ELK Stack using Elastic Agents

ExpressVPN – Easy to Use VPN

How to Install OSSEC Agent on Solaris 11.4

Easily Integrate Linux Malware Detect with ClamAV

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

Install and Setup Squid Proxy on Debian 11/10

How To Reset Or Recover Root Password On OPNsense

Install and Configure AIDE on Debian 10

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

Integrate Suricata with Wazuh for Log Processing

MONITORING

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Install ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

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. …

Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

koromicha

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. …

auditbeat 1

Detect Changes to Critical Files in Linux using Auditbeat and ELK

gen_too

In this tutorial, you will learn how to detect changes to critical files in Linux …

Install Grafana on Debian 12

How to Install Grafana on Debian 12

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian …

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 Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

koromicha

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. …

Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

koromicha

In this guide, we are going to learn how to install Zabbix server on Rocky …

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

koromicha

In this guide, we are going to show you how to fix AlienVault HIDS events …

Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of this writing, Elastic Stack 9.0 …
nagios

Add Hosts to Nagios Server For Monitoring

In this guide, we are going to learn how to add hosts to Nagios Server for monitoring. Well, in order …
Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

In this guide, we’ll walk you through the full automation of Nagios monitoring setup using Ansible, from installing Nagios on …

NETWORKING

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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 …
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 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 …
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 …
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 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 …
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, …
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 …
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 …

STORAGE

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Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install ownCloud Server on Debian 12

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Configure and Use Ceph Block Device on Linux Clients

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

Easy way to Install ownCloud Desktop Client on Debian 12

How to Start Stop or Restart Ceph Services

How to Move Linux OS Installation to Another Drive

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 …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

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 Debian 10 Buster

koromicha

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

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

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 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 Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how to deploy WordPress as a …
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, …
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 …

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