IPv6 and Ubuntu / Debian / Raspberry Pi slow updates

If your Ubuntu / Debian / Raspberry Pi operating system suddenly has difficulty trying to reach Google and other popular web sites, and your attempts to use apt-get seem to be very slow, it’s because your network ISP has switched you over to IPv6 from IPv4.  Read on for a solution! My new spangly BTHub6 broadband router has arrived […]

A file compression experiment

I wanted to make an archive backup of my Parallels Windows 10 virtual machine file. The file itself is 54.51 GB, and I used Keka, a compressor application for OSX available from the Mac’s App Store to compress using the ‘more compression’ setting on each of five different compression standards: 7z – https://en.wikipedia.org/wiki/7z Zip – […]

How to ‘force’ your Windows PC to upgrade to Windows 10 now

If you have a Windows 7 or 8 PC and you really can’t wait until Microsoft gets round to sending you the upgrade application, you can get upgrading pretty much immediately. It just so happens that I run my Windows PC as a virtual machine (using Parallels) on my Mac but the task of upgrading […]