Tracking visitors with adblockers

More and more users are using adblockers or surfing the web via private browsing with tracking protection. But this also affects your web analytics, as the blockers also will block analytics tracking – not only third party services like Google Analytics, but also self-hosted solutions like Piwik.

Encrypt and decrypt a file using SSH keys

If you have someone’s public SSH key, you can use OpenSSL to safely encrypt a file and send it to them over an insecure connection (i.e. the internet). They can then use their private key to decrypt the file you sent.

Do you want my time for free?

Publishing open source software or articles for free is very giving. Not only does it give you a warm fuzzy feeling inside when someone appreciates what you release, but it can also have other indirect consequences that give you a happier life. But when something is free – as in no cost – people will …

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How to do an Nginx redirect

Nginx is an extremely efficient and quite flexible web server. When you want to do a redirect in Nginx, you have a few options to select from, so you can choose the one that suits you best to do an Nginx redirect.