Technology Blogs

We play with technology. Sometimes we discover things we think are worth sharing.

Tag: "bash"

Using Certbot To Generate Certificates Without SSH Access
Bash

Using Certbot To Generate Certificates Without SSH Access

Let's Encrypt and Certbot provide ways to automate the maintenance of free HTTPS certificates for your website, but only if your hosting service has included the cPanel plugin or gives you SSH access. We present a solution that we've used for…
Radix-n Fast Fourier Transforms (Part 2)
VHDL

Radix-n Fast Fourier Transforms (Part 2)

FFTs are generally defined recursively, so how hard can it be to write a recursive VHDL implementation of an FFT that can scale to any number of inputs for any chosen radix?
Cygwin Mirror and Installation
Bash

Cygwin Mirror and Installation

Ensuring that your whole team has the same repeatable installation of Cygwin. How to mirror Cygwin on to local infrastructure such that you can script the installation to be the same for everyone.
Resilient Xilinx Vivado Licence Acquisition
FPGA

Resilient Xilinx Vivado Licence Acquisition

Our design team has recently observed that Vivado has been struggling to get a licence later into long running compilations. These are some of the ideas I have developed to try and monitor the problem and make our compilations resilient to licence…