HowTos

Install Java 11|Java 17|Java 18 on Rocky Linux

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koromicha
Security, HowTos, Monitoring

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

HowTos, Directory Server, OpenLDAP

How to Configure SUDO via OpenLDAP Server

HowTos, Remote Desktop

How to Install and Configure Guacamole on Fedora 29

Monitoring, HowTos, Nagios

Install and Configure Nagios Core From Source on Ubuntu 18.04

Containers

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How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How do I deploy an application to a swarm cluster? In this tutorial, you will learn how to deploy an …
install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Follow through this guide to learn how to easily install etcdctl on Kubernetes cluster. Kubernetes cluster relies on etcd, a …
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

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

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 Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

install docker ce

Install Docker CE on Ubuntu 20.04

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Scale OpenShift Data Foundation Storage on Bare Metal

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

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

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

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

deploy multinode OpenShift cluster using UPI

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

Security

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Exploring the World of Residential Proxy Networks

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

Generate Wildcard SSL Certificates for Elasticsearch

Most Popular

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Serverless Computing with Linux on AWS Lambda
HowTos, AWS, Cloud, Containers

Serverless Computing with Linux on AWS Lambda

How to Copy Kibana Dashboard to Another Kibana Space
Monitoring, Elastic Stack, HowTos

How to Copy Kibana Dashboard to Another Kibana Space

UK IT Support Statistics: What Do the Numbers Tell You?
HowTos

UK IT Support Statistics: What Do the Numbers Tell You?

freerad daloradius
HowTos, RADIUS

Install FreeRADIUS with daloRADIUS on Debian 9

Create The Perfect Playlist For Your Next Event
HowTos

How To Create The Perfect Playlist For Your Next Event

What Is an SSL Certificate and How Can It Benefit Your Business?
HowTos, Security, SSL/TLS

What Is an SSL Certificate and How Can It Benefit Your Business?

Quick Way to Install Gophish on Debian 12

Connect to VPN Automatically on Ubuntu 20.04/18.04

How to Reset Ceph Dashboard Admin Password

Install Wazuh Agent on pfSense

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Install Wireshark on Ubuntu 22.04

Install OSSEC Agent on Debian 10 Buster

Configure Guacamole SSL/TLS with Nginx Reverse Proxy

How to Install RTIR Module on Request Tracker [2025]

Install and Setup Squid Proxy on Ubuntu 20.04

Ship System Logs to ELK Stack using Elastic Agents

Install Wazuh SIEM Server on Ubuntu 24.04

MONITORING

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Enable Rsyslog Logging on Debian 12

Enable Rsyslog Logging on Debian 12

Kifarunix

This step by step tutorial will take you through how to enable Rsyslog logging on …

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

gen_too

In this tutorial, you will learn how to monitor changes to critical files on Windows …

Install latest Graylog on CentOS 7

koromicha

Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

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

nagios rocky

Install Nagios Plugins on Rocky Linux 8

gen_too

This guide will walk you through how to install Nagios Plugins on Rocky Linux 8. …

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

koromicha

In this tutorial, you will learn how to monitor SSL/TLS certificate expiry with Prometheus and …

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. …

nagios docker

Deploy Nagios as a Docker Container

Kifarunix

How to install Nagios core in Docker? In this tutorial, you will learn how to …

Install Filebeat on FreeBSD

Install Filebeat on FreeBSD

koromicha

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

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

Install ELK Stack 8.x

Install ELK Stack 8 on Debian 12

In this tutorial, you will learn how to install ELK stack 8 on Debian 12 systems. Elastic/ELK stack 8.x has …
Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. Elastic/ELK stack 9.x has been …
zabbix login int 1

Install Zabbix Server from Source on Debian 11

In this guide, we are going to learn how to install Zabbix Server from source on Debian 11. Zabbix is an enterprise …

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 …
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 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 …
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 …
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 …
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 …
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 …
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 …

STORAGE

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Part 1: Integrate OpenStack with Ceph Storage Cluster

Setup GlusterFS Distributed Replicated Volume on CentOS 8

How Install and Configure iSCSI Storage server on CentOS 7

How to Setup Ceph Admin Node in High Availability

Setup Replicated GlusterFS Volume on Ubuntu

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Quick Way to Setup Samba File Server on Debian 10

How to Access Samba Share on Linux and Windows Systems

VIRTUALIZATION

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Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

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 VirtualBox Guest Additions on Debian 10 Buster

koromicha

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

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 …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

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

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

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 CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

This is a simple tutorial on an easy way to extend KVM virtual machine disk size. Disk usage in a …
Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

Do you have some VirtualBox virtual machines that you would like to re-use on your KVM? Follow through this guide …

Install Debian 10 Buster on VirtualBox

In this guide, we are going to learn how to install Debian 10 Buster on VirtualBox. Debian 10 Buster has …

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