Monitoring, HowTos, Nagios

Install Nagios Server on CentOS 9 Stream

BY
Kifarunix
HowTos, Guacamole, Remote Desktop

Install Apache Guacamole on Rocky Linux 8

HowTos, , Ubuntu 18.04

Configure Postfix to Use Gmail SMTP on Ubuntu 18.04

HowTos

How to Install Red Hat Discovery Tool on RHEL 9

HowTos

Top Ways To Improve The Efficiency Of Your Business

Containers

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Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

In this guide, you will learn how to deploy an OpenShift cluster using Agent-based installer. Last month, I spent three …
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 …
deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

In this guide, you will learn how to easily deploy AWX on Kubernetes cluster using AWX Operator. AWX is an …
kubernetes secrets

How to Use Secrets in Kubernetes Applications

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Install and Use Docker on Debian 10 Buster

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

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

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

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install Minikube on Debian 12

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

install portainer on Linux

Install Portainer on Rocky Linux

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Security

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Install Apache Web Server on Debian 12

Install ModSecurity with Apache on Ubuntu 22.04

Understanding OpenShift Security Context Constraints: The Complete Guide

Most Popular

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Backup Windows System with BackupPC Using Rsyncd
Storage, BackupPC, HowTos

Backup Windows System with BackupPC Using Rsyncd

Enable Rsyslog Logging on Debian 12
HowTos, Monitoring, Syslog

Enable Rsyslog Logging on Debian 12

Apache, Web Servers

Install Apache on Fedora 30

squid proxy
HowTos, Proxy, Security

Configure Squid Proxy OpenLDAP Authentication on pfSense

install Consul server on Ubuntu 22.04/Ubuntu 20.04
HowTos

Install Consul Server on Ubuntu 22.04/Ubuntu 20.04

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX
Automation, Ansible, Automation, Containers, HowTos

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

Install and Setup DVWA on Debian 10

The Smart Business Owner’s Guide to Access Control and Biometric Security

Install and use ClamAV on Ubuntu 20.04

Install Velociraptor Client on Linux and Windows Systems

Install OSSEC Agent on CentOS 8

Install WireGuard VPN Client on Rocky Linux/Ubuntu/Debian

How to Enable Basic Authentication on ELK Stack

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

How to fix WordPress could not establish a secure connection to WordPress.org

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Configure Nginx with SSL/TLS certificates on CentOS 8

Visualize ClamAV Scan Logs on ELK Stack Kibana

MONITORING

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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 …

Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

gen_too

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another …

Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

Kifarunix

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

gitlab

Monitoring Gitlab Metrics with Prometheus and Grafana

koromicha

In this tutorial, we will learn about monitoring Gitlab metrics with Prometheus and Grafana. Grafana …

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Kifarunix

In this blog post, we will cover how to configure centralized logging in OpenShift with …

Process and Visualize ModSecurity Logs on ELK Stack

Visualize ClamAV Scan Logs on ELK Stack Kibana

gen_too

In this tutorial, you will learn how to visualize ClamAV scan logs on ELK stack …

Install Elastic Stack 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

In this guide, we are going to learn how to install Elastic Stack 7 on …

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Ubuntu 22.04

koromicha

In this tutorial to learn how to install Sensu Go on Ubuntu 22.04. Sensu is …

nagios

Install Nagios on Debian 11

gen_too

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is …

Install Filebeat on FreeBSD

Install Filebeat on FreeBSD

koromicha

Follow through this guide to learn how to install Filebeat on FreeBSD. Installing Filebeat on …

kibana custom ingest pipelines

Create Custom ELK Ingest Pipeline for Custom Log Processing

Follow through this tutorial to learn how create custom ELK ingest pipeline for custom log processing. Elastic Stack is so …
Install Prometheus on Linux

Configure Prometheus Email Alerting with AlertManager

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager is used to handle alerts …
install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We are using Ubuntu 22.04 and …

NETWORKING

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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 …
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 …
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 …
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 …
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, …

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

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, …
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 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 …

STORAGE

More

Setup Software RAID on Ubuntu 20.04

Deploy Ceph Storage Cluster in Kubernetes using Rook

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

Install ownCloud Server on Debian 12

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

How to Setup Ceph Admin Node in High Availability

How to Install BackupPC on Debian 12

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

VIRTUALIZATION

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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 …

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 Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

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 …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

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

install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

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 Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, code name Noble Numbat, has finally …
Install OPNsense on VirtualBox

How to Install OPNsense on VirtualBox

In this tutorial, we are going to learn how to install OPNsense on VirtualBox. OPNsense is a FreeBSD-based open-source software …
Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially …

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