After restarting my laptop which run Kubuntu 15.04 beta, it got stuck at a black screen with a message: Starting version 219. I tried to reboot it a few times, and it always displayed the same message. Fortunately, I found a solution from this page which fixed the problem. Here’s a recap on how to do it. When you see the above message, hit Ctrl + Alt + F2 Run sudo systemctl enable sddm.service -f ...
As of today, Code Composer Studio (ccs) 6 is only available for 32-bit Linux platform. The good news is that it can be installed on a 64-bit version of Ubuntu and Fedora. In this blog post, I’m going to show a few issues I came across and how to fix them on Ubuntu 14.10 64-bit. Issue 1: After the installation, when I ran the ccs, it produces some warning and error messages then quit. ...
From time to time, after applying Windows updates on my Windows 7 kvm-based virtual machine, the machine won’t boot after restarting. In the past, I was lucky to be able to fix it. Last night, I could not say the same thing. Instead of stressing out losing my hair on how to get it working again, it’s decided to just restore the whole Windows image. First, I need to get some updated data from it though. ...
I have been having issues getting X2Go running on a CentOS 6.5 box. It took me a while to figure out that the problem laid with the permission of /tmp directory. I’ll write how to solve the X2Go problem in another post. The recommended permission for /tmp is 1777. Notice that the forwarding ‘1’ is the sticky bit which only allows the owner of the file within /tmp (or the root user) to delete/rename the file. ...
Recently I received a A-Star 32U4 mini board from Pololu, which I’d bought during the Black Friday for just $6. Since this mico-controller board shares many similarities with Arduino Leonardo, I thought I could just upload the program using Arduino IDE by selecting Arduino Leonardo as the board type. Unfortunately, that did not work even after I tried resetting the board as suggested in the following the error message logged by Arduino IDE in the console: ...