Database, FreeBSD, HowTos, MySQL

Install MySQL 8 on FreeBSD 12

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Jay Decrame
HowTos

Install Microsoft Teams on Rocky Linux 8

HowTos

4 Ways Website Data Collection Can Help Improve Your Business

HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 22.04

HowTos, DNS, PowerDNS

Easily Install PowerDNS Admin on Debian 11/Debian 10

Containers

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Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

This blog post will take you through Kubernetes resource optimization with Vertical Pod Autoscaler. Managing resource allocation efficiently in Kubernetes …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, …
deploy multinode OpenShift cluster using UPI

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

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one …
nagios docker

Deploy Nagios as a Docker Container

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

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

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

deploy multinode OpenShift cluster using UPI

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

install portainer on Linux

Install Portainer on Rocky Linux

Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

install portainer on Linux

Install Portainer on Ubuntu 22.04

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Security

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Install Zeek on Ubuntu 20.04

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Install and Setup GVM 20.08 on Ubuntu 20.04

Most Popular

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Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

HowTos, Security, Ubuntu 18.04

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

Install and Setup OCS NG Inventory Server
HowTos, Asset Management, OCS Inventory

Install OCS Inventory Server on Debian 12/Debian 11

Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible
HowTos, Ansible, Automation, Cloud Compute, OpenStack

Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible

clone kvm virtual machines
KVM, HowTos, Virtualization

How to Clone KVM Virtual Machines

How to Install NSClient Nagios Monitoring Agent on Windows System

Install and Setup Velociraptor on Ubuntu 18.04

Install GVM Vulnerability Scanner on Ubuntu 24.04

Setup IPSec VPN Server with Libreswan on CentOS 8

Install and Setup DVWA on CentOS 8

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

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

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

Install WireGuard VPN Client on Rocky Linux/Ubuntu/Debian

Easily Configure Elasticsearch HTTPS Connection

ExpressVPN – Easy to Use VPN

Install Linux Malware Detect on Ubuntu 22.04/Ubuntu 20.04

MONITORING

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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 …

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

Kifarunix

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

koromicha

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

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 …

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. …

filebeat

Install Filebeat on Fedora 30/Fedora 29/CentOS 7

Jay Decrame

In this guide, we are going to learn how to install Filebeat on Fedora 30/Fedora …

setup highly available Elasticsearch cluster with Keepalived

Setup Highly Available Elasticsearch Cluster with Keepalived

Kifarunix

Step through this guide to learn how to setup highly available Elasticsearch cluster with Keepalived. …

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 …

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 …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

gen_too

In this tutorial, you will learn how to install Wazuh agent on Rocky Linux 8. …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

This tutorial will take you through how to ship system logs to ELK stack using Elastic Agents. You might be …
Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another Cluster. Elasticsearch data can be …
nagios rocky

Install Nagios Plugins on Rocky Linux 8

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

NETWORKING

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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 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 …
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 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 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 …
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 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 …
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 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 …
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 …
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, …

STORAGE

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Part 1: Integrate OpenStack with Ceph Storage Cluster

Install and Configure BackupPC on Debian 10

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

Easily Install and Configure Samba File Server on Ubuntu 20.04

How to Reset Ceph Dashboard Admin Password

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

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Setup Software RAID on Rocky Linux 8

VIRTUALIZATION

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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 …

Install Debian 10 Buster on VirtualBox

koromicha

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

Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition on …

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 …

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 …

Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky 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 …

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Kifarunix

Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox 6.1 is available for installation …
Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux 9. We are installing the …

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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