Storage, Ceph, HowTos

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

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koromicha
HowTos

How to Use Your Strengths as An Introvert to Run a Successful Online Business

Containers, HowTos, Kubernetes, Linux Commands

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

Kubernetes, Containers, HowTos

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

Security, Metasploit, Vulnerability Scanners

Install Metasploit Framework on Fedora 29

Containers

More
What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes? Kubernetes, aka K8s, is the current de facto container orchestration platform providing a …
How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

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

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part …
How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

In this tutorial, you will learn how to integrate MinIO S3 storage with Kubernetes/OpenShift. MinIO is a high-performance, S3-compatible object …
Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

kubernetes secrets

How to Use Secrets in Kubernetes Applications

install portainer on Linux

Install Portainer on Debian 11/Debian 10

Scale OpenShift Data Foundation Storage on Bare Metal

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

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

install-and-configure-openshift-odf-ocp

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

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

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Install Helm on Kubernetes Cluster

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

Security

More

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

Install GVM 21.04 on Rocky Linux 8

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Most Popular

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Import Assets to AlienVault USM/OSSIM using a CSV file
Security, AlienVault, HowTos, Monitoring, SIEM

Import Assets to AlienVault USM/OSSIM using a CSV file

automount LUKS encrypted device in Linux on system startup
Security, Encryption, HowTos

Automount LUKS Encrypted Device in Linux

GoAccess, HowTos, Monitoring

Install GoAccess On Fedora 30/Fedora 29

HowTos

How To Check And Remove Duplicity In Your Content

install Malcolm network traffic analysis tool on Ubuntu
Security, HowTos, Networking

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

What is the Importance of Making Your Website Inclusive?
HowTos

What is the Importance of Making Your Website Inclusive?

Setup Squid Proxy Authentication on Ubuntu 18.04/Fedora 29/28/CentOS 7

Essential Cybersecurity Measures for Small Businesses

Install GVM 21.4 on Ubuntu 20.04

Setup IPSec VPN Server with Libreswan on CentOS 8

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Install OSSEC HIDS Agent on Ubuntu 20.04

Install Passbolt Password Manager on Rocky Linux 8

6 Cyber Security Tips Everyone Who Runs A Company Should Know

Install and Setup Velociraptor on Ubuntu 18.04

Install Nessus Professional Scanner on Debian 10

Enforce Password Complexity Policy On Ubuntu 18.04

VPNs are your Must Have Privacy Tool

MONITORING

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Install Prometheus on Linux

How to Install Prometheus on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install Prometheus on Ubuntu 24.04. Prometheus is an open-source …

Install Sysdig system visibility tool on Ubuntu

Install Sysdig System Visibility Tool on Ubuntu 22.04

koromicha

This tutorial will take you through how to install Sysdig system visibility tool on Ubuntu …

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 …

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 …

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Kifarunix

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. …

Install and Setup Nagios

Install and Setup Nagios on Ubuntu 22.04

Jay Decrame

In this guide, we will provide a step-by-step tutorial on how to install and setup …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

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 …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

koromicha

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

Install ELK Stack 8.x

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

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL 10. The Wazuh platform offers …
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 …
Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

In this guide, we are going to learn how to install Nagios Core on FreeBSD 13. Nagios is an opensource tool that …

NETWORKING

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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 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 …
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 …
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 …
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, …
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 …
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 …
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

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 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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Install and Configure NFS Server on Rocky Linux 8

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

Configure and Use Ceph Block Device on Linux Clients

Deploy Ceph Storage Cluster in Kubernetes using Rook

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

Part 3: Integrate OpenStack with Ceph Storage Cluster

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

VIRTUALIZATION

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Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox …

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 Rocky Linux

koromicha

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

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 …

Install Debian 10 Buster on VirtualBox

koromicha

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

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

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 Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

Do you have some VirtualBox virtual machines that you would like to re-use on your KVM? Follow through this guide …

Resize Root Partition of VirtualBox VM Snapshot

You are running a virtual machine on a VirtualBox with multiple snapshots and you want to resize the root partition …
Install KVM on Oracle Linux

Install KVM on Oracle Linux

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an acronym for Kernel-based Virtual Machine, …

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