HowTos, Project Management, Redmine

Install Redmine on Fedora Linux

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koromicha
Storage, HowTos, KVM, Virtualization

Shrink KVM Virtual Machine LVM Partitioned Disk

HowTos, Java

Install Java 11 on Debian 9.8/Ubuntu 18.04

HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 20.04

HowTos

Install Erlang on Debian 11/Debian 10

Containers

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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 …
install docker ce

Install Docker on Rocky Linux 8|9

Welcome to our guide on how to install docker on Rocky Linux 8/Rocky Linux 9. Docker is a platform that enables developers …
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 …
Enable User Workload Monitoring in OpenShift 4.20

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

docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Install Fedora CoreOS on KVM Using an ISO File

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

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

role-based access control in kubernetes

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

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

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

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

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

Part 1: How to Install and Configure OADP Operator on OpenShift 4

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

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

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

Security

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Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

Most Popular

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deploy WordPress using Docker compose
Containers, Docker, HowTos, Security, SSL/TLS, WordPress

Deploy WordPress using Docker Compose

Database, MariaDB, MySQL, phpMyAdmin

Install phpMyAdmin with Nginx on Fedora 30

Install ELK Stack 8.x
HowTos, Elastic Stack, Monitoring

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

Install LibModsecurity with Apache on Ubuntu 20.04
HowTos, modsecurity, Monitoring, Security, WAF

Install ModSecurity with Apache on Ubuntu 22.04

Install Debian 12 on VirtualBox
Virtualization, HowTos, VirtualBox

Install Debian 12 on VirtualBox

Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

Install Fleet Osquery Manager on Rocky Linux

Understanding OpenShift Security Context Constraints: The Complete Guide

Install Modsecurity with Nginx on Rocky Linux 8

Basic Operation of Firewalld in Linux

List  of top 10 Tips to Protect your Privacy Online

Enable HTTPS Connection Between Elasticsearch Nodes

Qualities To Look For When Choosing The Right VPN Service

Import Assets to AlienVault USM/OSSIM using a CSV file

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

Install and Configure AIDE on Debian 10

Install and Setup Squid Proxy on pfSense

Ship System Logs to ELK Stack using Elastic Agents

MONITORING

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Nagios SNMP Monitoring of Linux Hosts

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

koromicha

In this guide, we are going to learn how to configure Nagios SNMP monitoring of …

Easy way to Integrate TheHive with Cortex

Easy way to Integrate TheHive with Cortex

gen_too

In this tutorial, you will learn how an easy way to integrate TheHive with Cortex. …

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 OpenNMS Network Monitoring tool on Ubuntu 20.04

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

koromicha

Follow through the guide to install OpenNMS network monitoring tool on Ubuntu 20.04. OpenNMS is …

Install Osquery on Ubuntu 20.04

Enroll Osquery Hosts on Fleet Manager

koromicha

In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet …

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 Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

gen_too

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

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 InfluxDB on Fedora 30/Fedora 29

koromicha

Welcome to our guide on how to Install InfluxDB on Fedora 30/Fedora 29. InfluxDB is …

Install and Configure Wazuh Manager

Install and Configure Wazuh Manager on Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu …

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

Welcome again to our yet another guide on how to install Zabbix 4.x from sources on Debian 10 Buster. In …

Create Squid Logs Extractors on Graylog Server

In this guide, we are going to go over how to create squid logs extractors on Graylog server. If you …

Integrate Prometheus with Grafana for Monitoring

This guide will take you through how to integrate Prometheus with Grafana for Monitoring. As much as Prometheus can give …

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 …
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, …
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, …
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 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 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 …
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 …
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 …
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 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 …

STORAGE

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How to Setup Ceph Admin Node in High Availability

Backup Windows System via SMB Using BackupPC

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

How to Deploy Ceph Storage Cluster on AlmaLinux

Install and Setup BackupPC Server on Ubuntu 20.04

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Configure and Use Ceph Block Device on Linux Clients

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

VIRTUALIZATION

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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 …

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 Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

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 …

Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

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

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 …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …
Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially …

Install VirtualBox Guest Additions on Debian 10 Buster

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that it is not in full-screen …

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