HowTos, Ceph, Storage

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

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koromicha
HowTos

How to Install phpMyAdmin on Ubuntu 24.04

Virtualization, HowTos, KVM

Install KVM on Oracle Linux

HowTos, Ceph, Containers, Kubernetes, Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

HowTos

Tips and Tricks to Play 3rd Person Mode in Modern Warfare 2

Containers

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Enable User Workload Monitoring in OpenShift 4.20

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

In this blog post, you will learn how to enable user workload monitoring in OpenShift 4.20 and empower developers to …
Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. Docker containers have revolutionized how …
Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

Welcome to our tutorial on how you can utilize Kubernetes Ingress to manage external access to your Kubernetes services. Kubernetes …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

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

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

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

install portainer on Linux

Install Portainer on Rocky Linux

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Security

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Install and Configure AlienVault OSSIM on VirtualBox

Install and Configure Squid Proxy on CentOS 8

Install and Setup VeraCrypt on Rocky Linux

Most Popular

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Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
HowTos

Install Nagios Plugins on CentOS 9 Stream

Install LibreNMS on Linux
Monitoring, HowTos

Install LibreNMS on Debian 11/Debian 10

how to install web min on Linux
HowTos

How to Install Webmin on Ubuntu 24.04

Install and Setup GlusterFS on Ubuntu
Storage, GlusterFS, HowTos

Setup GlusterFS Distributed Replicated Volume on CentOS 8

Install OPNsense on VirtualBox
Security, OPNsense, VirtualBox, Virtualization

How to Install OPNsense on VirtualBox

Install pgAdmin 4 on Debian 12
HowTos, Database

Install pgAdmin 4 on Debian 12

How to Install RTIR Module on Request Tracker [2025]

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Setup OpenVPN Server on Rocky Linux 8

Quick Way to Install Gophish on Debian 12

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

How to Easily Enable and Configure Cortex Analyzers

Monitor Linux Hosts using Nagios check_by_ssh Plugin

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

How to Encrypt Data at Rest on Ceph Cluster OSD

How to Enable Ping response On IBM QRadar SIEM

Install Metasploit Framework on Fedora 29

Stages of Anonymity and Security Development on the Internet

MONITORING

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Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

gen_too

In this tutorial, you will learn how to monitor process creation events on Windows systems …

nagios rocky

Install Nagios Server on Rocky Linux 8

gen_too

In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides …

Configure Nagios Email Notification Using Gmail

Configure Nagios Email Notification Using Gmail

koromicha

This guide will take you through how to configure Nagios Email Notification using Gmail. Nagios …

Forward Apache Logs to Central Log Server with Rsyslog

Forward Apache Logs to Central Log Server with Rsyslog

gen_too

In this tutorial, you will learn how to forward Apache logs to central log server …

Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

gen_too

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures …

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 …

Monitor Linux System Metrics with Prometheus Node Exporter

koromicha

In this tutoria, we are going to learn how to monitor Linux system metrics with …

Install Wazuh Manager with ELK on Debian

Install and Setup Wazuh Server in CentOS 8/Fedora 32

kaptotonindet

In this tutorial, you will learn how to install and setup Wazuh server in CentOS …

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Kifarunix

In this blog post, we will cover how to configure centralized logging in OpenShift with …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

gen_too

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

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian 9.8 as a continuation of …
Install ELK Stack 8.x

Install ELK Stack 8 on Debian 12

In this tutorial, you will learn how to install ELK stack 8 on Debian 12 systems. Elastic/ELK stack 8.x has …

Monitor Squid Access Logs with Graylog Server

Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is a leading open-source log management …

NETWORKING

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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 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 …
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, …
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 …
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, …
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 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 …
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 …

STORAGE

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Part 3: Integrate OpenStack with Ceph Storage Cluster

Setup Software RAID on Ubuntu 20.04

How Install and Configure iSCSI Storage server on CentOS 7

How to Encrypt Data at Rest on Ceph Cluster OSD

Install ownCloud Server on Debian 12

Backup Windows System with BackupPC Using Rsyncd

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

How to Reset Ceph Dashboard Admin Password

VIRTUALIZATION

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shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

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 …

Install VirtualBox on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

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

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

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 …

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 …

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …

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 ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the latest iteration of Canonical’s renowned …

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