WireGuard Single-Instance VPN: AWS EC2 Instance to MikroTik hEX at Home
In a previous post, I configured a WireGuard site-to-site VPN between my MikroTik hEX router at home and OPNsense 25.7 […]
Networking & Connectivity
Networking & Connectivity
Networking & Connectivity
Fix WireGuard wg Command I/O Issues in an AWS SSM Session Manager Session
I installed WireGuard on an Ubuntu 26.04 EC2 instance and connected to the instance through an AWS SSM Session Manager
Networking & Connectivity
Create a Custom VPC Based on the Default VPC Layout
AWS creates a default VPC in many Regions. It is convenient for quick testing because it already has public subnets,
Networking & Connectivity
WireGuard Site-to-Site VPN: MikroTik hEX ↔ OPNsense 25.7 on AWS
This post upgrades the previous single-PC WireGuard client setup into a site-to-site VPN: Follow-up to: Architecture What changes vs “single
Networking & Connectivity
Speed up repeat downloads with an explicit Squid 7.1 proxy on Ubuntu 24.04
(Build from source • MITM with a dedicated Squid MITM Root CA (self-signed) • Broad caching • Run as proxy
Networking & Connectivity
Custom DDNS for Your Home Lab with OPNsense BIND (Python + cron)
TL;DR: This guide shows a small Python script that discovers your public IPv4, updates an A record in the OPNsense
Networking & Connectivity
Using the OPNsense API with Python
The OPNsense firewall exposes a REST API for automation and integration. This post shows how to use the API from
Networking & Connectivity
Custom DDNS for Your Home Lab with Cloudflare (Python + cron)
Goal: keep a hostname (e.g., home.maksonlee.com) always pointing to your current WAN IP by calling Cloudflare’s API on a schedule.
Networking & Connectivity
Simulating Geo-Distributed Network Latency with tc on Ubuntu 24.04
When deploying Ceph RGW Multisite, it’s common to span zones across different regions—Asia, Europe, America—connected by wide-area networks. These connections
Networking & Connectivity
How to Configure Ceph RGW Multisite with HAProxy and Let’s Encrypt on Ubuntu 24.04
In this post, we’ll walk through setting up Ceph RGW (RADOS Gateway) multisite using two separate clusters on Ubuntu 24.04.