Installation Notes of Debian 7.6

– Download Debian: debian-7.6.0-i386-DVD-1.iso (by .torrent is the fastest from my experience)
– Preparing an USB disk

The left things are normal installation steps, just watch your screen and click the “next”.

However, I found some issues exactly liking below:

But I wasn’t aware of that at the first time, thus I installed the version of amd64 and i386 lxde by DVD drive, none of them work as expected. After wasting lots of time, fortunately I found the above links and installed that latest backport kernel to get a fix.

Error: upgrade Ubuntu desktop to 13.04 from 12.10

Unfortunately my Ubuntu version 12.10 has been unsupported for a while, and some weird annoying problems begin to crop up. Obviously there’s no hope to stay, but I got an error on execution of do-release-upgrade:

Some search results from Google say

would help, but it’s not.

The final correct way to get us out there is to add following two lines to /etc/apt/sources.list:

Now we can happy with them:


gst-launch filesrc location=./How_To_Train_Your_Dragon2_TLRA-1080p-HDTN.mp4 ! qtdemux name=demux demux. ! queue max-size-time=0 ! mfw_vpudecoder ! mfw_v4lsink disp-width=1024 disp-height=768 demux. ! queue ! mfw_aacplusdecoder ! autoaudiosink
cpu usage is about 13%

INCPATH = -I../qtbase/mkspecs/devices/linux-imx53qsb-g++ -I. -I../qtmultimedia/include -I../qtmultimedia/include/QtMultimediaWidgets -I../qtmultimedia/include/QtMultimedia -I../qtbase/include -I../qtbase/include/QtWidgets -I../qtbase/include/QtNetwork -I../qtbase/include/QtGui -I../qtbase/include/QtCore -I. -I/home/lee/ltib/rootfs/usr/include -I/home/lee/ltib/rootfs/usr/include/gstreamer-0.10 -I/home/lee/ltib/rootfs/usr/include/glib-2.0 -I/home/lee/ltib/rootfs/usr/lib/arm-linux-gnueabi/glib-2.0 -I/home/lee/ltib/rootfs/usr/lib/arm-linux-gnueabi/glib-2.0/include -I/home/lee/ltib/rootfs/usr/include/libxml2
LIBS += -lpthread -lz -lgstreamer-0.10 -lgobject-2.0 -lgstinterfaces-0.10

Comile QT App:

GPlayer Source code:

QT Multimedia Examples:

C Programming Bootcamp:


GStreamer SDK:

QTStreamer Example Player:

QT 5 Environment Variables




– A路由
LAN网配置: IP
DCHP设置192.168.1.50 ~ 99

– B路由
LAN网设置IP地址:, DNS设置请参考A路由,网关192.168.1.1
DCHP设置192.168.1.100 ~ 199