HowTos, Automation, Automation, Red Hat Satellite

Automate Red Hat Satellite Content View Publish and Promote After a Sync Plan

HowTos, Containers, Docker

Connect to Remote Docker Environment on Docker Desktop

HowTos

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

Monitoring, Capacity planning, LPIC-2, LPIC-2 Exam 201-405 Topics and Objectives

How to Monitor Disk Input/Output on Linux

Containers

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Install Fedora CoreOS on KVM Using an ISO File

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

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …
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 …
Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

In this tutorial, you will learn how to deploy Ceph storage cluster in Kubernetes using Rook. Rook is an open-source …
Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

install portainer on Linux

Install Portainer on Rocky Linux

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

install docker ce

Install Docker on Rocky Linux 8|9

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

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

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

Install Minikube on Debian 12

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

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

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

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

Security

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Setup IPSec VPN Server with Libreswan on CentOS 8

Windows Server Security Essentials from Experienced System Administrators

Install and Setup Velociraptor on Ubuntu 20.04

Most Popular

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Install LibModsecurity with Apache on Debian 10
Security, Apache, HowTos, modsecurity, Web Servers

Install ModSecurity with Apache on Debian 12

Install and Setup Nagios
Monitoring, HowTos, Nagios

How to Install Nagios Server on Ubuntu 24.04

i3 wm
HowTos

Install and Setup i3 Windows Manager on Debian 11

Install Apache Guacamole as Docker Container on Ubuntu
HowTos, Guacamole, Remote Desktop

Install Apache Guacamole as Docker Container on Ubuntu

What are the core concepts in Kubernetes?
Containers, HowTos, Kubernetes

What are the core concepts in Kubernetes?

HowTos

Install Bugzilla Bug Tracker on CentOS 8

Understanding OpenShift Security Context Constraints: The Complete Guide

Setup Multinode Elasticsearch 8.x Cluster

Install and Configure Snort 3 on Rocky Linux

How to Install IBM QRadar CE v7.3.1 on VirtualBox

Install Osquery on Ubuntu 20.04

Install Fleet Osquery Manager on Rocky Linux

How to Install Osquery on Ubuntu 18.04

Install WireGuard VPN Server on Ubuntu 24.04

Install OpenVAS 10 (GVM) on Debian 10 Buster

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Monitor Linux Hosts using Nagios check_by_ssh Plugin

MONITORING

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Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

Kifarunix

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to …

Install Telegraf on Fedora 30/Fedora 29

koromicha

In this guide, we are going to learn how to install Telegraf on Fedora 30/Fedora …

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 sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

koromicha

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We …

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

In this guide, we are going to learn how to add hosts to Nagios Server …

Install and Configure Zabbix

Add Hosts to Zabbix Server for Monitoring

koromicha

This guide will take you through how you can be able to add hosts to …

install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

koromicha

This guide is about how to configure SNMP version 3 on Debian 9. There are …

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 …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

koromicha

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

Install Icinga 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga 2 on Debian …

install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 20.04. SNMP is an …
install zabbix agent

Install Zabbix Agent on Ubuntu 22.04/Debian 11

In this tutorial, you will learn how to easily install Zabbix agent on Ubuntu 22.04/Debian 11. Install Zabbix Agent on …
prom

Install Prometheus on Rocky Linux 8

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source time series collection and processing …

NETWORKING

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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, …
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 …
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 …
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 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 …
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 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 …
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 …
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 …

STORAGE

More

Setup Software RAID on Debian 10

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

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

Install ownCloud Desktop Client on CentOS 8

How to Install BackupPC on Debian 12

How to Reduce or Shrink Physical Volume in Linux

Install and Configure BackupPC on Debian 10

VIRTUALIZATION

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Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

Install KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

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. …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Install Debian 10 Buster on VirtualBox

koromicha

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

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

install ubuntu 25.04 on virtualbox

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

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

Install VirtualBox Guest Additions on Ubuntu 18.04

In this guide, we are going to learn how to install VirtualBox Guest Additions on Ubuntu 18.04 VM. Oracle VM …
Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …
AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

In this guide, we are going to learn how to autostart VirtualBox VMs on system boot on Linux. On a …

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