HowTos

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Kifarunix
HowTos, Monitoring, Nagios

Configure Nagios Email Notification Using Gmail

HowTos

Consider These 4 Things In Choosing A Server For Your Small Business

HowTos, Automate System Tasks, cron jobs

How to Schedule Cron Jobs/Tasks in Linux/Unix

HowTos

How to Install Discord on Ubuntu 24.04

Containers

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Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot …
Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

How to install Portainer in Docker Desktop? In this tutorial, you will learn how to install Portainer Extension on Docker …
Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! Metricbeat provides a flexible and …
How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

docker hardened images

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

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

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

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

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Security

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Analyze Network Traffic using Zeek

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

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

Most Popular

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install and configure snmp on Linux
Monitoring, HowTos, Icinga, Nagios, SNMP, Zabbix

How to Configure SNMP Version 2c on Debian 9

terraform architecture
HowTos, Automation

Introduction to Terraform: Understanding Basic Architecture

webmin
HowTos, BIND, DNS, Webmin

Setup Bind DNS Using Webmin on Debian 10

HowTos, OpenVPN, Security, VPN

Setup IPSEC VPN using StrongSwan on Debian 10

velociraptor
Security, HowTos

Install and Setup Velociraptor on Ubuntu 18.04

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
Monitoring, HowTos, Nagios

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Enroll Windows Systems into Osquery Fleet Manager

Assign Static IP Addresses for OpenVPN Clients

Process and Visualize ModSecurity Logs on ELK Stack

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Install and Setup GVM 11 on Ubuntu 20.04

Quick Guide: Configure Apache Kafka SSL/TLS Encryption for Enhanced Security

Install Passbolt Password Manager on Rocky Linux 8

Generate Wildcard SSL Certificates for Elasticsearch

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Install and Configure AlienVault OSSIM on VirtualBox

Common Mistakes When Using A White Paper Example

MONITORING

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install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

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. …

integrate Suricata with Wazuh for log processing

Integrate Suricata with Wazuh for Log Processing

gen_too

Follow through this tutorial to learn how to integrate Suricata with Wazuh for log processing. …

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

Kifarunix

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

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

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 on Docker Containers

Kifarunix

How to run single node ELK stack 8 on Docker? In this tutorial, you will …

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 …

fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

gen_too

This tutorial will take you through how you can install and enroll Elastic agents to …

filebeat

Install and Configure Filebeat on CentOS 8

gen_too

In this tutorial, we are going to learn how to install and configure Filebeat on …

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS is a fully featured MySQL/PHP …
Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of this writing, Elastic Stack 8.3 …
Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

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

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 as a continuation of our …

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 …
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 …
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 …
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 …
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 …
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 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 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 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 …

STORAGE

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How to Reset Ceph Dashboard Admin Password

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Install and Configure BackupPC on Debian 10

How to Deploy Ceph Storage Cluster on Rocky Linux

How to Deploy Ceph Storage Cluster on AlmaLinux

How to Reduce or Shrink Physical Volume in Linux

Install ownCloud Server on CentOS 8

How to Move Linux OS Installation to Another Drive

VIRTUALIZATION

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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 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 …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

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

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

Install VirtualBox on Debian 11 Desktop

gen_too

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

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

Kifarunix

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

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 …

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 …

bullseye 11

Install Debian 11 on VirtualBox

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian project is proud to present …
install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the latest iteration of Canonical’s renowned …
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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