Windows 10 reached end of support on October 14, 2025. If the PC meets the minimum requirements for Windows 11, Windows Update should offer upgrading to Windows 11 automatically. And when the upgra…| Majornetwork
I have made occasional contributions to the Wireshark project for over five years now. I started with small documentation updates, and later I have added two new protocol dissectors (Zabbix and Z21…| Majornetwork
When installing a Debian Linux virtual machine on a Proxmox Virtual Environment (PVE) host, the Debian installer automatically installs the VirtIO paravirtualization drivers and the QEMU guest agen…| Majornetwork
In Python, sometimes you just need to catch all exceptions and show which one was it: try: do_something_important() except Exception as e: e_name = type(e).__name__ logger.error(“Exception ha…| Majornetwork
Let’s do some Docker networking with Zabbix proxies. The presented Docker configurations apply to other similar client-server applications as well, so you may find this useful even if you don…| Majornetwork
Proxmox Virtual Environment (PVE) has a built-in clustering feature that allows you to access all PVE nodes within the cluster by connecting to any of the nodes, by using a web browser or by connec…| Majornetwork
VRRP (Virtual Router Redundancy Protocol) is commonly used for providing first-hop IPv4 or IPv6 router (“default gateway”) redundancy for network-attached devices. Some network applianc…| Majornetwork
When using the built-in SSO (Single Sign-On) in NetBox with Entra ID, the Active Directory (AD) group or role information for the users is not available out of the box. Based on the discussions in NetBox repo I tested and wrote down a short memo of getting the users’ groups usable in NetBox. In this […]| Majornetwork
These notes have been tested with Proxmox Virtual Environment (PVE) 8.2.4, Debian 12 and cloud-init 22.4.2 (from Debian 12 packaging). First create a virtual machine and install Debian Linux on it normally, with all the additional tools and updates as required. I usually use the netinstall CD image from Debian. After completing the installation, for […]| Majornetwork
I often need a Linux virtual machine for testing specific things. Debian Linux is my choice of Linux distribution, and I have wondered how much space does each installed package take in it, to possibly optimize the size of the VM if needed. I installed two VMs: The results after “sudo apt clean“: Installation Disk […]| Majornetwork
RuuviTag is a small battery-powered sensor that measures temperature, humidity, air pressure and movement. It communicates the measured data by broadcasting the data values using Bluetooth. I’…| Majornetwork
Interesting question: Why does Windows DHCP server first assign me a lease for only one hour, and after that extend it to one day (or whatever was actually configured in the DHCP scope)? First, let…| Majornetwork
This is part three of the DHCP relay mini-series: DHCP Relay, Part 1: One Relay, One Server DHCP Relay, Part 2: One Relay, Two Servers DHCP Relay, Part 3: Two Relays, Two Servers (this post) In thi…| Majornetwork
This is part two of the DHCP relay mini-series: DHCP Relay, Part 1: One Relay, One Server DHCP Relay, Part 2: One Relay, Two Servers (this post) DHCP Relay, Part 3: Two Relays, Two Servers In this …| Majornetwork
