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"
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"
New in Ubuntu 12.04 is whoopsie – which sends a crash log to ubuntu. Nice feature? Well no as they don’t tell you about it nor to they ask you, they just do it. Nice privacy issue guys. To tell if you have it check the file /etc/default/whoopsie If you see that then it’s enabled. […]Read more "Whoopsie & how to disable it on Ubuntu 12.04 or Mint 13"
I’ve spent a large amount of time today trying to get cloning working within Virtual Box with a copy of Ubuntu 12.04 server with limited success. Now by default a VM is set to use NAT for it’s network interfaces but I needed bridging and this causes a problem – when the clone starts it […]Read more "Getting a ubuntu clone in VirtualBox to connect to the network"
After a second crash of my EC2 instance which was running Amazon‘s own Linux distribution I had to rebuild so this time I decided to put the latest official Ubuntu AMI on it. Everything ran fine until I fired up an application which takes a feed from Twitter using their stream api. When I fired […]Read more "How to fix OpenJDK-7 certificates on Ubuntu 11.10 running on Amazon EC2"
Keys are the basis of public key algorithms and PKI. Keys usually come in pairs, with one half being the public key and the other half being the private key. With OpenSSL, the private key contains the public key information as well, so a public key doesn’t need to be generated separately. Public keys come in several […]Read more "Generating private keys with openssl"