At our office, we’ve been using Glusterfs in an unconventional way. Instead of merely using it in a distributed or replicated cluster, we’re using it as central storage for our user home directories. As part of our office-wide upgrade to Ubuntu 12.04LTS, we have had to upgrade our Glusterfs from 3.0 to 3.2 and it was not immediately evident how we could accomplish the same setup as we had previously. Now, it’s been sorted out and we’d like to share our Read more
Just read an insightful piece about the differences between working at a start-up vs a big company. It boils down to 10 points: Responsibility, accountability, impact Everyone is expected to take ownership of their own work here. Collective responsibility doesn’t fly as it encourages a no-blame, no-responsibility culture. Risk There is no guarantee that we’ll be around a year from now. Our only guarantee is that we will try to be around for that, and much longer. Opportunities for generalists Read more
We’re currently working on a new product, estimated for a soft-launch in Q3 of 2012. The idea of the product itself has gotten me rather excited as it has a clear and present advantage. We will blog more about it as things develop. But for the moment, let’s just say that it will be a combination of hardware, software and services. Keep a lookout!
We have our own gitosis server running in our office server. We’ve typically used this to work on private projects. The problem with this setup is that there was not direct link between the office gitosis server with our repositories on github. This problem has now been solved and we’re currently using our office gitosis server as a middle-layer repository. The gitosis server acts also as a downstream repository for our github repositories. This can be easily done by logging Read more
For some of our projects, FreeRTOS specifically, we need to track a SVN upstream repository that is hosted on Source Forge. As we’re only interested in pulling upstream changes and not pushing anything upstream, this simplifies our workflow a bit. The first thing that is needed is to configure the upstream SVN repository. In our case, we already have an existing git repository. Therefore, instead of cloning the actual SVN tree, we’ll only pull in the necessary changes. $ cd Read more
We’ve recently added a number of git repositories at github to track ports of various software tools to our platform. These are the steps that we used to get things working. We will use the binutils port as an example. Create For consistency, we’ll name all our upstream code as upstream for obvious reasons. Instead of tracking everything, it might be more beneficial to just track the upstream master branch as we only want to track the main development code. Read more
I’ve always dubbed the AEMB as the littlest processor that could, after the famous book with an engine. To figure out just how little it is? It occupies less than 20% of the real-estate in the second smallest Spartan6LX9 FPGA. Slice Logic Utilization: Number of Slice Registers: 866 out of 11440 7% Number of Slice LUTs: 1167 out of 5720 20% Number used as Logic: 1035 out of 5720 18% Number used as Memory: 132 out of 1440 9% Number Read more
Field Programmable Gate Array (FPGA) is a type of hardware/logic programmable integrated circuit. It’s flexibility, speed and the increasing number of IP cores make it into a popular solution in embedded system. The selection of the FPGA core is important when designing a FPGA system. FPGA vendors divide their products into few groups. Each group targets different application such as high performance, mid-range, low cost and low power application. Furthermore, each product group can divide into few families. Every family Read more
Another new year and another holiday. We would like to take this opportunity to wish everyone happy holidays. May the year of the dragon bring happiness and prosperity to all! 恭喜發財 PS: Our offices are closed for the whole of next week (23-27 Jan 2012).
We are managing a number of Debian servers in the office, for various internal applications. Initially, it was a simple matter of upgrading the servers manually. However, as the number of servers grew, the amount of repetitive apt-get upgrade commands that need to be entered became tedious. Unattended-upgrades to the rescue! Fortunately for Debian Squeeze, it is already packaged in the repository and installation is a simple matter of: # apt-get install unattended-upgrades However, what most guides do not tell Read more