Lets Encrypt is a new Certificate Authority (CA), run for the public’s benefit by the Internet Security Research Group (ISRG). At the time of writing it’s currently in Beta and is due to go public in December 2015. Update: Lets Encrypt went into public -beta on December 3 2015. I have updated this article with […]Read more "Centralizing Certificate Management of LetsEncrypt with a Raspberry PI"
I’ve been beta testing the new Lets Encrypt Certificate Authority so have been adding HTTPS to various services however I hit on a problem where Chrome wasn’t showing the green padlock for a specific application. Instead it was showing the broken padlock because it was saying there was mixed content. In https, mixed content is usually […]Read more "Fixing HTTPS mixed content issues in Chrome"
For all of my servers I use Debian, however that distribution has a few problems, mainly the packages can be a bit behind the cutting edge. Now this is usually a good thing if you are looking for stability – cutting edge software can have issues, especially from new features etc, so for a live […]Read more "Installing Java 7 on Debian Squeeze"
Weather webcams are always popular and it is easy and free to set one up yourself. This article will show how to setup a simple USB webcam to produce still images and serve them on a local apache webserver.Read more "Setting up a Weather WebCam on Linux"
I had this problem of debugging some xml but when reading the output of some log4j it was almost impossible to read so I needed some way of prettifying the xml quickly. For this example I have the following xml: So how do we pretify this in emacs? Well the first thing to do is […]Read more "Formatting xml in emacs"
The reason I had to do this was because I needed video4linux to get a webcam working for a forcoming series of posts connecting a telescope to the pi. Although the connection to the telescope wasn’t a problem, the customized webcam I have needed it. Here I compile the kernel on a more powerful linux […]Read more "Compiling a Kernel on the Raspberry PI"
As the Raspberry PI uses an SD Card for it’s boot device there are times when you need either more space than is available on that device or a device that’s faster – writing to flash is slow and flash cards do have a limited number of writes that can be made to them. Now […]Read more "Using NFS to provide extra disk to a Raspberry PI"