Update: You can find a much better version of this as an article I wrote for the Odroid Magazine:https://magazine.odroid.com/article/linux-logical-volume-manager-lvm2/ I’ve been planning to upgrade my LVM2 2 disk striped setup with a new disk for a while. I am currently on the testing phase but I think I have a good way to do it …
How To Setup Ambilight on the Odroid-c1/c2 and Not Blow a Fuse
I’ve struggled with setting up Ambilight on the Odroid-C1 for a while. I stopped in frustration after week when I realized it was not going to work. And now I think I have finally found the solution. But let me back up a bit. It all started with me reading a glossy article in the …
Goodbye Openshift 2
Dear RedHat, Thank you for having hosted my site for so long for free. I tried to migrate to OpenShift 3 via the Free tier but sadly the quota does not allow for everything I need to run my WordPress. So i had to move; no hard feelings – but 50 bucks/month – are you …
A Possible Crypto Commitment Scheme for a Timestamp(or a Number)
Hi again, I’ve been reading lately about zero knowledge proofs and commitment schemes. I had this idea about a commitment scheme that could hide a timestamp(or a number in general) until such time that the prover would want to reveal it to the verifier. Warning: I do not claim this is an original idea, it’s …
Using Let’s Encrypt with a PHP Application on OpenShift
Hi, Update: github.com/kuba/simp_le is dead, the github.com/zenhack/simp_le fork is to be used instead. The following post documents how I used Let’s Encrypt to secure this WordPress site which hosted on OpenShift. The following is based on this forum post/tutorial. I just made it work with virtualenv and a PHP OpenShift app. Please note that you …
Now Hosted On Openshift
Update: now secured via https with let’s encrypt. Guess what? this site is now hosted for free on RedHat’s OpenShift platform. Yey!
Debugging Go Programs with QtCreator
Debugging Go is a pain. I am not sure why the designers of this language did not include a debugger in the toolchain. In any case, GDB can be used to debug this wonderful language and I discovered that QtCreator is an alright frontend. There a few steps needed to set this up: Configure gdb …
Accessing the serial console on a Samsung Spinoint F3 a.k.a. HD103SJ HDD
Hello, If you were looking for a more sophisticated title like “What did the Samsung HDD say to the TTL cable?” then you came to wrong blog. A year or so ago I had some data access problems with this Samsung Spinpoint F3 HDD and having heard that a firmware update might help I… well… …
Watching the Micro 3D Printer Work is Pretty Cool
I have been hacking away these past weeks at printing things with my new M3D printer. Sitting next to it while it prints is not exactly a productive pastime so I used a webcam to make a video of the printing process. I then took that video and trimmed it in QuickTime and then I …
Why I Think IKEA Should Make Open Source Designs
I’ve been dreaming for a while about my own 3D printer and this month that dream came true. I had on pre-order a Micro 3D printer. I got the green one. While the print volume isn’t great the user experience is pretty great. For a beta product 🙂 … And so I entered the world …
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