Containers

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

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

In this guide, we’ll walk you through the step-by-step process of how to safely upgrade kubeadm Kubernetes cluster. Upgrading a …
Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

This blog post will take you through Kubernetes resource optimization with Vertical Pod Autoscaler. Managing resource allocation efficiently in Kubernetes …
Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

This step-by-step guide provides an easy way to install Kubernetes dashboard on Ubuntu 22.04/20.04. Installing Kubernetes Dashboard on Ubuntu 22.04/20.04 …

Most Popular

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HowTos, Nessus, Security, Vulnerability Scanners

Install Nessus Professional Scanner on Debian 10

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

Install Apache Guacamole as Docker Container on Ubuntu

Install LAMP Stack on Rocky Linux 8
LAMP Stack, Apache, Database, HowTos, MariaDB

Install LAMP Stack on Rocky Linux 8

MONITORING

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Install and Configure Nagios Core From Source on Ubuntu 18.04

Install and Configure Nagios Core From Source on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and Configure Nagios Core …

Install Grafana Plugins Behind a Proxy server

Install Grafana Plugins Behind a Proxy server

koromicha

This is a quick guide on how to install Grafana plugins behind a proxy server. …

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Monitor Linux Hosts using Nagios check_by_ssh Plugin

koromicha

Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This …

prom

Install Prometheus on Rocky Linux 8

koromicha

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source …

Install Sampler Shell Command Visualization tool on Linux

koromicha

In this guide, you are going to learn how to install sampler shell command visualization …

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 …

Monitor Squid Access Logs with Graylog Server

koromicha

Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is …

install zabbix agent

Install Zabbix Agent on FreeBSD 12

koromicha

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure …

ntopng

Install ntopng on Rocky Linux 8

gen_too

This guide will take you through how to install ntopng on Rocky Linux 8. ntopng …

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

koromicha

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

This simple guide will take you through how to Measure CPU Usage in Linux. CPU is critical to every other …
Install ELK Stack 8.x

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

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu 22.04 systems. Elastic/ELK stack 8.x …
Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker containers. Deploying a multinode ELK …

NETWORKING

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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 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 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 …
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, …
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 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 …
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 …
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 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 …
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 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 …
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, …

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 Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

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 VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

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 …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

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 …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …
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, …

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 …
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