Clear the DNS cache in OS X 10.11 El Capitan

OS X 10.11 El Capitan uses the same command as the previous version of OS X to clear the DNS cache. You need to open a Terminal window and enter: sudo killall -HUP mDNSResponder It will ask you for your password if you do not already have elevated privileges. If you’ve moved a site somewhere […]

Ad-blocking, ethics and the internet’s financial model

Back in September the BBC ran an article speculating that the rise in ad-blocking software may mean the death of the free internet. A few years ago they even asked if blocking adverts was ethical. These are interesting questions. A lot of websites rely on advertising income to keep them going. There are costs involved […]

Pretty, SEO-friendly URLs with .htaccess

It is often said that dynamic URLs – that is, URLs with a format like blog.php?id=1&title=hello – are at a disadvantage compared to static-looking URLs of the format blog/1/hello. There is much debate about this issue though and back in 2008 Google even recommended against rewriting URLs. Google said: Does that mean I should avoid rewriting dynamic URLs at all? […]

El Capitan and Exchange aliases solution

Further to my previous post, after a bit of playing around I’ve found a solution to the problem of using Exchange aliases in OS X Mail under OS X 10.11 El Capitan. It seems the accounts.plist file is now superfluous and the way to add an alias is as follows: 1. In OSX Mail, select Mail -> Preferences. […]

El Capitan mail, Exchange aliases and accounts.plist

I decided to take the plunge on Thursday (1st October 2015) and upgrade OS X to version 10.11 El Capitan. By and large I haven’t noticed much difference and it all seemed to go smoothly. Alas, there seems to be one particular problem that Apple really need to sort out as a priority. If you use an […]