Updated: 12 March 2018
Let’s Encrypt is the free SSL certificate authority. Dehydrated, formerly letsencrypt.sh, is a bash script that can run as an unprivileged user and automate the process of getting SSL certs from Let’s Encrypt. Here’s how you can use Dehydrated on Debian Jessie (Debian 8).
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Firefox has a long standing bug that leads to rampant memory usage. When you open a large XML file Firefox goes nuts and uses up all the memory in your system. This can cause severe disk thrashing as the OS starts using swap space. To prevent this it makes sense to limit Firefox’s memory usage.
I created a new WordPress plugin called GeoBlock that allows you to show or hide content based on the visitor’s country. This plugin is not for people on shared hosting. It is for those of you who have root access to their own VPS or dedicated servers.
First up you have to install mod_geoip or the Nginx equivalent module for that. The instructions here are for configuring the Nginx version on a Debian system.
Ufone internet connection users are being bombarded with pop-up ads. In this post I explain how to stop said ads.