Let’s say you’ve got a text file, of any size, big or small, and you want to remove every other line of that file, well here are a few commands in Linux that allow you to do this. Example, you want to get from this: 1 2 3 4 5 6 7 8 9...
Read more →Okay, so you have Arch Linux installed and let’s say you’re wifi isn’t working and you need the package “iwlwifi-3945-ucode-15.32.2.9-2-any.pkg.tar.gz” to fix this but you don’t have a wired connect. What do you do? Blast in your Arch cd, mount it, mount the packages sqfs file and install using pacman. Mount cdrom: mkdir /mnt/cdrom/...
Read more →If you’re running off a live USB disk or changing your graphics card the error below might appear when Xorg is looking for the wrong drivers or device. You might also get this error while using the Nvidia drivers, I found however this was caused by some of the extra options added into the...
Read more →Errors: $ sudo ifconfig wlan1 up SIOCSIFFLAGS: Resource temporarily unavailable $ dmesg usb rtl819xU:FirmwareDownload92S(): failed with TCR-Status: a rtl819xU:ERR!!! _rtl8192_up(): initialization is failed! Solution 1: To get this wifi dongle working I simply had to download the above firmware and place it in /lib/firmware/RTL8192SU/ and then reboot my computer. You should check that location...
Read more →Numeric Error: Traceback (most recent call last): File "", line 1, in ImportError: No module named Numeric Package: sudo apt-get install python-numeric ImageTk Error: ITraceback (most recent call last): File "", line 1, in ImportError: No module named ImageTk Package: sudo apt-get install python-imaging-tk
Read more →One of the most annoying things about PDF files are their fixed font size, the only real way of getting a better view at the text is to zoom the whole page in. This isn’t really a fix for that annoyance but it’s a way of getting more info to screen ratio by removing...
Read more →For Christmas I got a Kindle 3 and it was instantly filled with Free eBooks (http://www.gutenberg.org/wiki/Main_Page) and research papers (PDFs). I found myself wanting to be able to automatically synchronize it with a folder on my desktop when it was plugged in and found no one else had posted online how to do this,...
Read more →Previously I was having problems with Ubuntu dropping wifi connections and failing to reconnect, to solve this I wrote a script which would kill the network-manager and then connect using iwconfig commands (here). While this works fine, it felt a little hacky, having to have a script running as sudo constantly in the background...
Read more →No accelerated colorspace conversion found from yuv420p to bgr24. This problem is basically an issue converting YUV to RGB using ffmpeg, in order for it to work ffmpeg needs to be recompiled with x264. To get around it use the following to recompile ffmpeg and OpenCV 2.1/2.2: Follow steps 1-to-4 of FakeOutdoorsman’s...
Read more →(cd ./brain/psom && make) make[1]: Entering directory `/home/ubuntu/pyrobot/brain/psom‘ (cd csom_src && make _csom.so) make: Entering directory `/home/ubuntu/pyrobot/brain/psom/csom_src’ gcc -c -g -I -I/usr/include/python2.6 som_pak_wrap.c -I/usr/include/python2.6 -Isom_pak-dev som_pak_wrap.c:125: fatal error: Python.h: No such file or directory compilation terminated. make[2]: *** [som_pak_wrap.o] Error 1 make[2]: Leaving directory `/home/ubuntu/pyrobot/brain/psom/csom_src‘ make: *** Error 2 make: Leaving directory `/home/ubuntu/pyrobot/brain/psom’...
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