A Matter of Wireless Trust
For various very good reasons, we’ve recently had to change the the certificate presented by our RADIUS server for the wireless networks. The process of accepting the new certificate was a breeze on the...
D/Line Radio Blog
Audio Processing in Interpreted Languages
It’s no surprise that today’s computer programs are getting bigger and more complex. CPU and memory are now in available in a way they never were before. A quick glance at the Raspberry Pi...
Comware IRFs – A Few Lessons
Look in almost any organisation that’s been running for more than a few years and you’ll see legacy IT kit still keeping business critical services alive. There are places where IPX is still a...
Network Switch APIs (and the Lack Thereof)
Since the dawn of time on managed network switches, we’ve had the CLI. Well, that’s a bit of a lie – menu driven interfaces were the go-to option for a number of years. But...
Predicting the (Wireless) Future
I’ll admit, the title may be far more grand than the point I’m getting across. After all, I’m not making a prediction about where the wireless business is going (we might eventually get to...
Making the Hop
It’s something I’ve briefly mentioned in the past but not something I’ve ever covered in detail. However, it is something that’s appeared on my radar again – point-to-point WiFi links. While I’ve never been...
There’s Nothing New in IT
Ok, I’ll admit the headline might be a bit much. Especially as we’re now in a world where automation is king (really, stop hand cranking stuff!) and mobile devices are everywhere. However, when you’ve...
Pretty LEDs
Looks at photos modern radio studios in the UK and you’ll see two things. Firstly, there’s all those TV screens hung on walls to deliver dynamic branding. They may look the part but the...
Default Passwords Strike Again – This Time On Air
Breaking into broadcast transmissions isn’t anything new. We can go back to 1977 and the interruption of Southern Television, replacing the audio feed with some “interesting” content. Doing similar nowadays, where digital studio to...
Making Debian Play Nice with 802.1x and User VLAN Switching
As you could probably guess from previous posts, I’m currently working on a project that will see the deployment of 802.1x on the wired network. The ultimate aim would be to authenticate both the...
Generating FM MPX on a Raspberry Pi 3
It’s been possible to turn your Raspberry Pi into a little FM transmitter for quite a while now. Download the right software, attach a wire to the GPIO pin in and you’re broadcasting a...
Recent Comments