It seems to me that a lot of people dislike Vi. I thought a short blog on the essential commands might be helpful. If you just want to know how to either “save your changes and exit” or “exit and abandon your changes” just jump to here.I’ve collated a list of what I...
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Checking a Checksum (Cryptographic hash function) – with PowerShell and Bash shell
When is paranoia a good thing?When it comes to downloading files for sure. Using a cryptographic hash function to test the authenticity of a file is a good practice. Such a good practice, that I wanted to make it as easy as possible to perform.I've written two scripts...
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Recently I was asked during an interview how I would approach adopting new features in Oracle as part of an upgrade. At the time I feel I gave a pretty cursory reply and I just explained how I’d performed an upgrade (migration) across platforms and had implemented new...
Why is Unix still around?
You might think that Unix is some old school way of using computers that is slowly fading away, but having come back to computing (after living in the highlands of Scotland with no particular reason to use a computer for nearly three years), I'd have to say Unix's...