How To

Install and Configure GNS3 with VirtualBox on macOS Catalina

Feb 13, 2021 Networking Linux Mac VirtualBox

In this article, I'll show you how to install and configure GNS3 on a Mac Catalina. We will focus on these specific version, GAs at the time of writing but hopefully the same instructions might be applicable for slightly different versions: GNS3 version 2.2.18 macOS Catalina 10.15.7 Step 1 - Download GNS3 and GNS3 VM …

Kubernetes Multi-Node Cluster on Raspberry Pi 4

Oct 26, 2020 k8s Raspberry Pi

In this article we'll setup a 3 nodes Kubernetes Cluster running on 3 Raspberry Pi 4B boards. I chose the 4 GB model even though, according to Kubernetes Docs, 2 GB or RAM should be enough. If You are interested in building your own Cluster, here is the list of components I used: 3X Raspberry Pi 4 Modell B 4GB 3X …

Kubernetes Multi-Node Cluster with Multipass

Oct 12, 2020 multipass ubuntu k8s hyper-v

In this short article I will explain how to create a 3 nodes Kubernetes cluster on your Mac leveraging Multipass. "Multipass provides a command line interface to launch, manage and generally fiddle about with instances of Linux. The downloading of a minty-fresh image takes a matter of seconds, and within minutes a …

Active Directory authentication on Centos 7

May 13, 2020 linux centos active directory

In this article we discuss how to integrate CentOS 7.x & RHEL 7.x with AD (Windows Server 2008 R2 & Windows Server 2012 R2). The following steps are applicable either if you have CentOS 7 or RHEL 7. Step 1 - Install the required packages using yum command 1yum install sssd realmd oddjob oddjob-mkhomedir adcli …

Install and Configure GNS3 with VMware Workstation Player Free

Apr 23, 2020 vmware gns3 networking

In this article, I'll demonstrate how to install GNS3 on Windows 10 using VMware Workstation Player free to run the GNS3 VM. Prerequisites VMware Workstation Player (free): https://www.vmware.com/products/workstation-player/workstation-player-evaluation.html VMware VIX 1.17.0 API for Windows 64-bit operating systems: …

Install TFTP Server on Centos 6

Apr 16, 2020 linux centos tftp

Recently I had to troubleshoot a TFTP server that was part of a vSphere AutoDeploy environment. In the attempt to reproduce the issue in my lab, I deployed and configured a TFTP Server running on Centos 6. Here is what I did. Step 1 - Update the server: 1yum update && yum upgrade -y Step 2 - Install the …