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VXLAN: Implementation

VXLAN: Implementation

This post will describe one option to implement a VXLAN enabled fabric. I will use VSR router to create the fabric and create the overlay using VXLAN. I already gave a general overview about VXLAN in an earlier post here: VXLAN: What is VXLAN VXLAN Implementation Introduction Before I will start to describe the configuration […]

How To: Proxmox Live Backup

How To: Proxmox Live Backup

In this post, I will show, how to configure and schedule proxmox live backup to get a full¬†backup of your VM without downtime. I use this for my server once a week and save the created backup to an external backup device. Configure Proxmox Live Backup The proxmox live backup uses the snapshot technology of […]

How To: Postfix with SPF

How To: Postfix with SPF

In this post I would like to explain the usage of SPF (Sender Policy Framework), which could be used to prevent spam. SPF will use the DNS system to tell the receiving mail server, whether the sending server is allowed to send mails for this domain. As this is the basic concept, I will explain […]

How to: Install Scalix on Debian

How to: Install Scalix on Debian

In this post I would like to show, how to install Scalix on Debian. The system is running the latest version of Debian in a minimal installation. In my last post, about this topic I installed Postfix and Scalix on the same host. This time, I will install Scalix on a host and Postfix for […]