the layer 8 chronicles
How to Install and Configure SMTP2Graph on Linux Replace SMTP AUTH with Microsoft Graph API — no user license required. Table of Contents Introduction Prerequisites Register an Application in Entra ID Install the SMTP2Graph...
Introduction One of the most effective ways to harden a Linux server is to restrict SSH access to a known set of trusted IP addresses or network ranges. Leaving SSH open to the entire...
During a recent Exchange migration, I faced a challenge familiar to many IT pros: bandwidth usage surged during mailbox syncs, and I needed a way to load balance Exchange traffic reliably—without the high cost...
Vector Packet Processing (VPP), developed by FD.io, is a high-performance userspace network stack designed for fast packet processing. Whether you’re a network engineer, developer, or enthusiast, and you’re looking to build VPP from source...
Proxmox freezing issue Proxmox Virtual Environment has established itself as a leading open-source platform for enterprise virtualization, combining KVM hypervisor and LXC containers. The release of Proxmox VE 8.2 brought several enhancements and new...
Today, we’re diving into the realm of Proxmox, a powerful open-source virtualization platform, and unlocking its full potential by configuring SNMP (Simple Network Management Protocol). SNMP isn’t just an acronym; it’s the key to...
Fixing that irritating issue As a MacOS user, it can be quite frustrating to encounter unexpected errors while logging in via SSH on a CentOS server. One such error is the “-bash: warning: setlocale:...
What is umask and how does it work? Umask, short for user mask, is a command used in Linux operating systems to set the default permissions for newly created files and directories. It is...
Why Proxmox is the best hypervisor (for small deployments) In this article I will explain why I think Proxmox is the best (free) hypervisor for small deployments. Proxmox is an open-source virtualization platform that...
Generate an SSL Certificate for Proxmox GUI An SSL certificate is a way to secure the connection between your website and the user’s browser. It’s important to have one if you want to protect...