Containers, Docker, HowTos

How to Install Docker on Ubuntu 24.04

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Kifarunix
HowTos, Monitoring, Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

Storage, HowTos, LVM

Create LVM Logical Volumes in Linux

HowTos, Directory Server, OpenLDAP

Install and Setup OpenLDAP Server on Debian 12

Containers

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Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

In this blog post, you will learn how to forward OpenShift logs to multiple destinations using ClusterLogForwarder, specifically to Elasticsearch …
install-and-configure-openshift-odf-ocp

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

In this guide, I’ll walk you through how to install and configure OpenShift Data Foundation on OpenShift, covering everything from …
install portainer on Linux

Install Portainer on Rocky Linux

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a self-service container service delivery platform …
provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

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

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

nagios docker

Deploy Nagios as a Docker Container

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Kubernetes Ingress Explained

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Security

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

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

How to Protect From Identity Theft Online: A Detailed Guide for 2022

Most Popular

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Install OSSEC HIDS Agent
Security, HowTos, Monitoring, OSSEC

Install OSSEC Agent on CentOS 8

Stages of Anonymity and Security Development on the Internet
HowTos, Security

Stages of Anonymity and Security Development on the Internet

Setup IPSec VPN Server with Libreswan on CentOS 8
HowTos, OpenVPN, Security, VPN

Setup IPSec VPN Server with Libreswan on CentOS 8

Directory Server, HowTos, OpenLDAP

Setup OpenLDAP Server with SSL/TLS on Debian 10

Integrate Portainer with OpenLDAP for Authentication
HowTos, Directory Server, OpenLDAP, Security

Integrate Portainer with OpenLDAP for Authentication

Install Terraform on Ubuntu 24.04
HowTos, Automation

Install Terraform on Ubuntu 24.04

Configure OpenVPN Clients to use specific DNS Server

Process ModSecurity Logs using Wazuh

How to Set Up Your Own Proxy

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Install Pritunl VPN client on Debian/Ubuntu

Install VeraCrypt on Debian 11

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

Install and Configure Endian Firewall on VirtualBox

Enable HTTPS Connection Between Elasticsearch Nodes

How to Install OpenVPN Server on Ubuntu 24.04

MONITORING

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Install Monitorix on Ubuntu 20.04

How to Install Monitorix on CentOS 8

koromicha

In this guide, we are going to learn how to install Monitorix on CentOS 8. Monitorix is …

Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

Kifarunix

In this guide, you will learn how to install Prometheus on Debian 12. Prometheus is an open-source …

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

Kifarunix

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible …

nagios nrpe

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

koromicha

In this tutorial, we are going to learn how to install Nagios NRPE Agent on …

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 …

Install MISP on Ubuntu 22.04/Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04. …

install and configure snmp on Linux

Install and Configure SNMP on Rocky Linux 8/9

koromicha

Follow through this tutorial to learn how to install and configure SNMP on Rocky Linux …

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

gen_too

How to run ELK stack on Docker? In this tutorial, we are going to learn …

Install and Configure AlienVault HIDs Agent on a Linux Host

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

koromicha

In this tutorial, we are going to learn how to install and configure AlienVault HIDS …

Forward Apache Logs to Central Log Server with Rsyslog

Forward Apache Logs to Central Log Server with Rsyslog

gen_too

In this tutorial, you will learn how to forward Apache logs to central log server …

Install Telegraf on Fedora 30/Fedora 29

In this guide, we are going to learn how to install Telegraf on Fedora 30/Fedora 29. Telegraf is a plugin-driven …
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 …
install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. Nagios provides enterprise-class Open Source IT …

NETWORKING

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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 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

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 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 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 …
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 …
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 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 …
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 …

STORAGE

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Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

Part 1: Integrate OpenStack with Ceph Storage Cluster

Part 2: Integrate OpenStack with Ceph Storage Cluster

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Shrink KVM Virtual Machine LVM Partitioned Disk

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

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

VIRTUALIZATION

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install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

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 …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

Do you have some VirtualBox virtual machines that you would like to re-use on your …

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 on …

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

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 …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

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 …

Install IBM QRadar Community Edition SIEM on VirtualBox

How to Install IBM QRadar Community Edition SIEM on VirtualBox

In this tutorial, we are going to learn how to install IBM QRadar Community Edition SIEM on VirtualBox. We will be …
kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

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

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being likely to be released on …

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