HowTos, Database, MariaDB

Install MariaDB 11 on Ubuntu 22.04/Ubuntu 20.04

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Kifarunix
Containers, Docker, HowTos, Kubernetes

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

HowTos, Directory Server

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

OpenShift, Gitlab, HowTos, Kubernetes, Security, Source Code Management

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Containers, HowTos, Kubernetes

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Containers

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

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

In this guide, I’ll walk you through how to configure production-ready monitoring in OpenShift 4.20. While OpenShift ships with cluster …
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 …
docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

How to run ELK stack on Docker? In this tutorial, we are going to learn how to deploy a single …
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

install portainer on Linux

Install Portainer on Ubuntu 22.04

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

install docker ce

Install and Use Docker CE on CentOS 8

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

Install Helm on Kubernetes Cluster

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

Install and Run MariaDB as a Docker Container

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Security

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Install and Configure AIDE on Ubuntu 18.04

Setup IPSEC VPN using StrongSwan on Debian 10

Intercept Malicious File Upload with ModSecurity and ClamAV

Most Popular

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Install pfSense Firewall on KVM
HowTos, Firewall, pfSense, Security

Install pfSense Firewall on KVM

Password Policies, Security

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Add Compute Nodes into OpenStack using Kolla-Ansible
HowTos, Cloud Compute, OpenStack

Add Compute Nodes into OpenStack using Kolla-Ansible

Configure Postfix to Use Gmail SMTP Relay
HowTos, , Ubuntu 18.04

Configure Postfix to Use Gmail SMTP on Ubuntu 18.04

Start and Stop KVM Virtual Machines from Command Line
KVM, HowTos, Virtualization

Start and Stop KVM Virtual Machines from Command Line

HowTos

Install and Configure APT-Caching Server Using Apt-Cacher NG on Ubuntu 20.04

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

Install and Configure Endian Firewall on VirtualBox

Install Bitwarden Password Manager on Ubuntu 22.04

Install and Setup OpenVPN Server on Ubuntu 20.04

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

Install VeraCrypt on Debian 11

Top Ways To Raise Cybersecurity Awareness In Your Business

How to Install Wazuh Agent on RHEL 8/9/10

How to Monitor OpenVPN Connections using openvpn-monitor tool

8 Handy Ways You Can Use A VPN In Your Everyday Life

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

MONITORING

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Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

Kifarunix

In this guide, you will learn how to install Prometheus on Debian 12. Prometheus is an open-source …

install icinga2/icingaweb2

How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

gen_too

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh …

Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. …

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. …

Install and Setup Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

Jay Decrame

This guide describes how to easily install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04. If …

Enable User Workload Monitoring in OpenShift 4.20

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

Kifarunix

In this blog post, you will learn how to enable user workload monitoring in OpenShift …

Install Monitorix on Ubuntu 20.04

How to Install Monitorix on CentOS 8

koromicha

In this guide, we are going to learn how to install Monitorix on CentOS 8. Monitorix is …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Debian 10

koromicha

This guide provides a step by step tutorial on how to install Monitorix on Debian …

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 …

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 …
monitor Linux system metrics using Sensu

How to Monitor Linux System Metrics using Sensu

In this tutorial, you will learn how to monitor Linux system metrics using Sensu. Sensu is an opensource infrastructure and application …
fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

In this guide, we are going to learn how to install and Setup Kolide Fleet on Ubuntu 18.04. Kolide Fleet …

NETWORKING

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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 …
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

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 …
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 …
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, …
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 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 …
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 …
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 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 and Configure iSCSI Storage Server on Ubuntu 18.04

How to Reset Ceph Dashboard Admin Password

Install and Configure BackupPC on CentOS 8

Part 2: Integrate OpenStack with Ceph Storage Cluster

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

Easy way to Install ownCloud Desktop Client on Debian 12

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

Install ownCloud Server on Debian 11

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 …

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 …

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 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 …

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 …

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 Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

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 …

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, …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

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 …

How to Install FreeBSD 12 on VirtualBox

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD can run well in a …
wubuntu

Install Wubuntu Linux on VirtualBox

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to wubuntu.org; Wubuntu – Linux with …

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