HowTos, Monitoring, Security

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

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koromicha
Database, HowTos, MySQL

Install MySQL 8 on Debian 10 Buster

Monitoring, HowTos, SNMP

Install and Configure SNMP on Debian 10 Buster

HowTos

6 Factors To Consider When Choosing An API For Your Project

Database, HowTos, MariaDB

Install MariaDB 10 on Debian 12

Containers

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how Kubernetes assigns pods to nodes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

In this guide, we’ll walk you through how Kubernetes schedules Pods, from creation to running on a node. Kubernetes is …
automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

How can you install Docker desktop on Linux? In this tutorial, you will learn how to install Docker desktop on …
Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

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

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

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

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

Install Minikube on Debian 12

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

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

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

kubernetes secrets

How to Use Secrets in Kubernetes Applications

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy an OpenShift Cluster Using Agent-Based Installer

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

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

deploy multinode OpenShift cluster using UPI

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Security

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Connect to OpenVPN using Network Manager on CentOS 8/Ubuntu 18.04

5 Things You Didn’t Know You Can Do with a VPN

How to Install Sophos AntiVirus on Ubuntu 18.04

Most Popular

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Kubernetes Kustomize 101: Introduction and Basics
Kubernetes, Containers, HowTos

Kubernetes Kustomize 101: Introduction and Basics

A Secret Weapon For pm international online
HowTos

A Secret Weapon For pm international online

Setup NFS Server on Ubuntu
HowTos

How to Setup NFS Server on Ubuntu 22.04

The Benefits & Risks of Using Website Encryption
HowTos, Encryption, Security

The Benefits & Risks of Using Website Encryption

Careers In IT You Need To Know About
HowTos, Security

Careers In IT You Need To Know About

install zeek on ubuntu 20.04
HowTos

Install Zeek on Debian 11

Send Alert When ClamAV Finds Infected Files on Linux Systems

Encrypt Emails using Enigmail on Thunderbird

Install Apache Web Server on Debian 12

Install SpiderFoot on Ubuntu 20.04

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

Easily Install FortiClient VPN on Oracle Linux

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

Ship System Logs to ELK Stack using Elastic Agents

Enroll Windows Systems into Osquery Fleet Manager

Windows Server Security Essentials from Experienced System Administrators

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

MONITORING

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install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

koromicha

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

How to Integrate ELK Stack with TheHive

How to Integrate ELK Stack with TheHive

gen_too

In this tutorial, we are going to learn how to integrate ELK stack with TheHive. …

logstash elasticsearch authentication

Configure Logstash Elasticsearch Basic Authentication

gen_too

This tutorial will show you how you can easily configure Logstash Elasticsearch Basic authentication. If …

Install Elasticsearch 7 on Fedora 30

koromicha

In this guide, you are going to learn how to install Elasticsearch 7 on Fedora …

Install Elastic Stack 7 on Ubuntu

Install and Configure Filebeat 7 on Ubuntu 18.04/Debian 9.8

koromicha

This guide discusses how to install and configure Filebeat 7 on Ubuntu 18.04/Debian 9.8. This …

Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

Kifarunix

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to …

Install Grafana on Debian 12

How to Install Grafana on Ubuntu 24.04

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Ubuntu …

Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

koromicha

Follow through this guide to learn how you can easily monitor Windows system metrics using …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If …

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. …

Send Alert When ClamAV Finds Infected Files on Linux Systems

Send Alert When ClamAV Finds Infected Files on Linux Systems

In this tutorial, you will learn how to send alert when ClamAV finds infected files on Linux systems. ClamAV is an …
easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu 20.04. Cacti is a complete …
install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous guides, we covered the installation …

NETWORKING

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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 …
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 …
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 …
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 …
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, …
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 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 …
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 …
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 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 …

STORAGE

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Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

Setup Software RAID on Debian 10

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Install and Configure NFS Server on RHEL/CentOS

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

How to Encrypt Data at Rest on Ceph Cluster OSD

How to Start Stop or Restart Ceph Services

VIRTUALIZATION

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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 …

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

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 …

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 Ubuntu 18.04

Jay Decrame

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

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 …

Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

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 …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

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

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need Guest additions installed on the …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …
install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …

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