Posts Tagged ‘poped’

What is VT-x (Intel Virtualization) and AMD V (AMD Virtualization)

Wednesday, June 4th, 2014

what-is-vt-x-inel-amd-virtualization-amd-v
As I'm lately educating myself in field of Virtualziation and Virtual Machines, the interesting question poped up What is Virtualization on a Hardware Level and what are Intel's and AMD technologies supporting it?

  • Intel Virtualialization (Vt-x)

Is Intel's hardware assistance for processors running virtualization platforms. Intel's Virtualization for short is know as VT-x. Intel VT-x extensions are probably the best recognized extensions, adding migration, priority and memory handling capabilities to a wide range of Intel processors.
Intel VT includes series of extensions for hardware virtualization adding virtualization support to Intel chipsets, so that Virtual Machines could assign specific I/O Devices. Intel VT includes a series of extensions for hardware virtualization Intel Virtualization is better described here.
 

  • AMD-V (AMD virtualization)


Is a set of hardware extensions for the X86 processor architecture. Advanced Micro Dynamics (AMD) designed the extensions to perform repetitive tasks normally performed by software and improve resource use and virtual machine (VM) performance. Early virtualization efforts relied on software emulation to replace hardware functionality. But software emulation can be a slow and inefficient process. Because many virtualization tasks were handled through software, VM behavior and resource control were often poor, resulting in unacceptable VM performance on the server. AMD Virtualization (AMD-V) technology was first announced in 2004 and added to AMD's Pacifica 64-bit x86 processor designs. By 2006, AMD's Athlon 64 X2 and Athlon 64 FX processors appeared with AMD-V technology, and today, the technology is available on Turion 64 X2, second- and third-generation Opteron, Phenom and Phenom II processors. Just like with Intel Virtualization AMD-V Technology enables extra hardware support for assignment of specifics I/O on per virtualized OS. AMD V Virtualization is described more thoroughly here

How to play VCD videos in Debian Linux

Monday, September 26th, 2011

Totem VCD error occured, could not open location you might not have permissions to open the file

A friend of mine gave me a VCD with some coptic Orthodox Christian exorcism, where there pope was chasing some evil spirits from possessed muslims who came to the Coptic Orthodox Church in egypt. The video was made to be in VCD and as you can expect this did not worked out of the box with Totem and VLC out of the box.
Putting in the VCD video inside my cdrom poped up an error like the one in the header of the post.
In order to make the video play I had to use the old school and now a bit obsolete mplayer.
Hence in order to play the VCD on Debian Linux I had to install mplayer and w32codecs packages first e.g.:

debian:~# apt-get update && apt-get install mplayer w32codecs

Second to play the video from gnome-terminal, I had to switch to the mounted cdrom location /media/cdrom0 and launch the video with mplayer cmd like so:

debian:~$ cd /media/cdrom0/vcd
debian:/media/cdrom0/vcd$ mplayer vcd://2
...

In some cases it might be necessery to play the video with mplayer command like:

debian:/media/cdrom0/vdd$ mplayer vcd://2 vcd://3

Watching it with mplayer from console has some downsides as I couldn’t make the fast rewind work, but still it’s way better than nothing.
Too bad in Debian Squeeze 6 gmplayer is no longer installable. The gmplayer can probably be installed if mplayer is compiled from source, but I’m too lazy to try it out.
I’ve red also in some forums online that gxine is capable of playing the VCD play nice, but I couldn’t install it from my existing Debian repositories so I did not give it a go.