HowTos

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HowTos, HAProxy, Load Balancers

Configure Highly Available HAProxy with Keepalived on Ubuntu

HowTos, Request Tracker (RT), Ticketing Systems

Install Request Tracker (RT) with MariaDB on CentOS 8

HowTos, Ceph, Containers, Kubernetes, Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

HowTos, BackupPC, Storage

Install and Configure BackupPC on CentOS 8

Containers

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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 Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

In this blog post, we will cover how to migrate ODF from worker nodes to dedicated storage nodes on OpenShift …
Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot …
Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

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

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Install Minikube on Debian 12

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

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

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

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

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

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

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

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

role-based access control in kubernetes

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

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

install portainer on Linux

Install Portainer on Ubuntu 22.04

Security

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Install Apache Web Server on Debian 12

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Top 10 Colleges with Cyber Security Programs

Most Popular

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Neutrogena Rapid Wrinkle Repair Night Moisturizer: A Powerhouse Solution for Youthful Skin
HowTos

Neutrogena Rapid Wrinkle Repair Night Moisturizer: A Powerhouse Solution for Youthful Skin

Database, HowTos, MongoDB

Install MongoDB 4 on Fedora 30/29/CentOS 7

Password Policies, Security

Enforce Password Complexity Policy On Ubuntu 18.04

install zabbix agent
Monitoring, Zabbix

Install Zabbix Agent on FreeBSD 12

Install and Setup OCS NG Inventory Server
HowTos, Asset Management, OCS Inventory

Install and Setup OCS NG Inventory Server on CentOS 7

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04
Security, Encryption, SSL/TLS

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Top 15 Emerging Technology in Cybersecurity

6 Little-Known Things You Can Do With a VPN

Cyber Security: 6 Reasons Why It Is Crucial for Your Business

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

Install Gophish on Ubuntu 22.04

What Are the Benefits of SOCKS5 Proxy?

Install sysPass Password Manager on Rocky Linux

How to Use VeraCrypt on Command Line to Encrypt Drives on Ubuntu

Install Velociraptor Client on Linux and Windows Systems

How to Recover Deleted Data on a Linux System

MONITORING

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kibana

Install ELK Stack on Rocky Linux 8

gen_too

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

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

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 …

Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

koromicha

This is a simple tutorial on how to search and delete specific records from Elasticsearch …

Import Assets to AlienVault USM/OSSIM using a CSV file

Import Assets to AlienVault USM/OSSIM using a CSV file

koromicha

In this article, we are going to learn how to import assets to AlienVault USM/OSSIM …

Install ELK Stack 8.x

Install ELK Stack 8 on Debian 12

Kifarunix

In this tutorial, you will learn how to install ELK stack 8 on Debian 12 …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

koromicha

In this guide, we are going to learn how to send Windows logs to Elastic …

Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

Kifarunix

In this guide, we’ll walk you through the full automation of Nagios monitoring setup using …

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 …

install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

koromicha

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If …

Forward Apache Logs to Central Log Server with Rsyslog

Forward Apache Logs to Central Log Server with Rsyslog

In this tutorial, you will learn how to forward Apache logs to central log server with rsyslog. Apache do not …
Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of this writing, Elastic Stack 9.0 …
monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor Docker containers using Nagios. Monitoring …

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 …
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 …
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 …

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 …
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 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 …
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 …
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 …

STORAGE

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Install and Setup GlusterFS on Ubuntu 18.04

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Install and Configure NFS Server on RHEL/CentOS

Extend OpenShift CoreOS /sysroot Root Filesystem

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

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Deploy Ceph Storage Cluster in Kubernetes using Rook

Setup Replicated GlusterFS Volume on Ubuntu

VIRTUALIZATION

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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 Debian 10 Buster on VirtualBox

koromicha

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

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky 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 …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

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 …

How to Install FreeBSD 12 on VirtualBox

koromicha

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

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 …

Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

In this tutorial, you will learn how to create and upload custom Linux image into OpenStack. An image is a …
Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux 9. VirtualBox guest additions “consist …

Install VirtualBox Guest Additions on Fedora 31/32

In this guide, we are going to learn how to install VirtualBox Guest Addition on Fedora 31/32. When installed on …

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