Linux Operating Systems

LVM fun: Swap out disk in LVM2 stripe

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 …

Continue Reading
Site Updates

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 …

Continue Reading
Site Updates

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 …

Continue Reading
Programming Site Updates

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 …

Continue Reading
Hacks

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 …

Continue Reading
Hacks

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 …

Continue Reading