HowTos

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

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koromicha
HowTos

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Security, HowTos, modsecurity, Nginx, Web Servers

Install ModSecurity 3 with Nginx on Debian 12

HowTos, Database

The Pros And Cons Of Different Types Of Data Management Systems

HowTos

Install Ubuntu 24.04 with UEFI and Software RAID 1

Containers

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Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

In this tutorial, you will learn how to deploy Ceph storage cluster in Kubernetes using Rook. Rook is an open-source …
Install Minikube on Debian 12

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

I want to run a single node Kubernetes cluster on my local machine. But how? Well, this step-by-step guide will …
install docker ce

Install Docker CE on Ubuntu 20.04

In this tutorial, we are going to learn how to install Docker CE on Ubuntu 20.04. Docker is a platform …
provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

deploy multinode OpenShift cluster using UPI

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

install docker ce

Install Docker CE on Ubuntu 20.04

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

Kubernetes Ingress Explained

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

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Security

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6 Cyber Security Tips Everyone Who Runs A Company Should Know

Cybersecurity for Your Business: What Is the Importance of Implementing It

Most Popular

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Database, HowTos, MariaDB, MySQL

Install MySQL 8 on Fedora 30/Fedora 29

freerad daloradius
HowTos, RADIUS

Install FreeRADIUS with daloRADIUS on Ubuntu 20.04

Kids Coding Games: How Is It Beneficial?
HowTos

Kids Coding Games: How Is It Beneficial?

Easy Way to Extend KVM Virtual Machine Disk Size
Storage, HowTos, KVM, LVM, Virtualization

Easy Way to Extend KVM Virtual Machine Disk Size

Directory Server, HowTos, OpenLDAP

Setup OpenLDAP Server with SSL/TLS on Debian 10

How to Clone VPS Server on Hetzner Cloud
HowTos

How to Clone VPS Server on Hetzner Cloud

Install and Setup Velociraptor on Ubuntu 20.04

Install OSSEC HIDS Agent on Ubuntu 20.04

WordPress: Fix Updating failed. The response is not a valid JSON response

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Studying cybersecurity and gaining the greatest achievements in data protection

Install and Configure Snort 3 on Rocky Linux

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

Configure LibModsecurity with Nginx on CentOS 8

Connect to VPN Automatically on Ubuntu 20.04/18.04

Install and Setup Security Onion on VirtualBox

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

Install and Setup Pritunl VPN Server on Debian

MONITORING

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Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

koromicha

This guide will take you through how to install Zabbix agent on Windows systems. Install …

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 Elastic Stack 7 on Ubuntu

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

koromicha

This tutorial will guide on how to install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8. …

Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

gen_too

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of …

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

Kifarunix

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

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 …

easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

gen_too

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor …

Install LibreNMS on Linux

Install LibreNMS on Debian 11/Debian 10

Follow through this tutorial to learn how to install LibreNMS on Debian 11/Debian 10. LibreNMS is a fully featured MySQL/PHP …
grafana server

Install Grafana on Rocky Linux 8

In this guide, we are going to learn how to install Grafana on Rocky Linux 8. Grafana is the open source analytics …
Configure Grafana Email Alerting

Configure Grafana Email Alerting

In this tutorial, you will learn how to configure Grafana Email alerting. Grafana alerting allows you to attach rules to …

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 …
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 …
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 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 …
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 …
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, …
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 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 …
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 …

STORAGE

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

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

Setup Software RAID on Rocky Linux 8

Install and Configure NFS Server on Rocky Linux 8

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Install and Setup Rsyslog Server on Ubuntu 22.04

Install ownCloud Server on Ubuntu 22.04

Backup Windows System via SMB Using BackupPC

VIRTUALIZATION

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Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

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 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 …

Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

koromicha

In this tutorial, you will learn how to create and upload custom Linux image into …

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 …

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 …

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 …

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 Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

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 …
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 …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite a number of new major …

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