How to Practice Linux Skills for Free
Colleagues and friends often ask me how they can learn or practice Linux when they only have Windows at work and a single family Windows computer at home, for free. That’s a good question, and there are a couple of different answers. Before we get to the free methods, I want to acknowledge that there […]
How to Verify Windows File Integrity with Hashes
As I write this, I am developing a skill (app) for Amazon’s Alexa voice service. A couple of days into the development I thought I’d accidently corrupted a critical file. Fortunately, I hadn’t, but it reminded me of the practice of discovering file changes by comparing file hash values against a baseline. The basic idea […]
Compress or Encrypt?
The other day a colleague sent me some files in email. He compressed them so they’d be smaller and no software along the way would try to process them. (As a side note, yes, I know email systems use BASE64 to encode binary files, and I know that blows them up in size, but that’s […]
A cool Windows tool I’d never heard of
I am finally getting around to cleaning up my office. It’s been a few years and there are a lot of electronic gadgets including computers, KVMs and so forth that were for projects long past and I need to make room for more current projects and their associated stuff. One thing I had to deal […]