Categories
networking

Simple Namecheap DDNS with MikroTik

If your ISP changes your external IP frequently, a DDNS service might come in handy. I’ve found a simple, cheap and powerful solution to this recently. There are a lot of different ddns implementations, and a lot of them requires a specific client on your server, which can be really annoying if you don’t run […]

Categories
hardware networking

Building a GSM network with USRP1 (URAN-1) SDR (2021)

They said on #osmocom, that it’s not possible, so I put it together. The hardware and the driver The USRP1, or custom boards based on it, like the URAN-1 are old hardware, available on ebay cheaper than most full duplex SDRs. But because they are old, the osmocom project no longer supports them officially. This […]