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DIR - A good PHP file manager
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Editing Mra.Soundstation
(:robots index,follow:) (:title IT-Soundstation project:) !!!%red%{+Soundstation project+} \\ I love listening to music and I have quite a few CDs.\\ Some time ago (almost two years back now) I thought that it would be very nice to have a kind of PC that memorizes all my music and displays a list where I could select the songs that I would like to listen to - this way I wouldn't need to search each time for the CDs that contain the songs I want to listen to and I would be able to make playlists. I tried to search the net for such a machine, which in the end is some kind of jukebox, but unluckily I didn't find much.\\ Philips created such a thing, but unluckily I didn't like very much how it looked like, the screen was very small, the capacity was quite limited and it isn't cheap. I found as well some other offers, but they looked like to be even more expensive. After a short period of disappointment I thought that I could try to build such a machine using a PC and started therefore thinking about the requirements and how to implement them. I started about 6 months ago, and I'm still not done with it, so this article will be for a while under construction. This is quite a long story, so I divided it into the following chapters: *[[Soundstation1 | Chapter 1 - Theory & hardware]] *[[Soundstation2 | Chapter 2 - Initial setup]] *[[Soundstation3 | Chapter 3 - Jukebox music setup]] *[[Soundstation4 | Chapter 4 - CPU throttling & Co.]] *[[Soundstation5 | Chapter 5 - Watch movies]] \\\ %red%Here the resolutions for some of the problems I had: *%purple%After issuing the command ''shutdown -h now'', the system was going down but without turning off the power - the last message displayed was ''System halted''. -->%green%Add the option ''acpi=force'' to the boot line of your boot manager (e.g. grub.conf). This may, on the other side, lead to undesired behaviour of some components reported by ''/proc/acpi/thermal_zone/THRM/temperature'', like a CPU temperature of -266 C... . *%purple%After issuing the commands [@echo shutdown > /sys/power/disk; echo disk > /sys/power/state@] to suspend the PC using ''swsusp'', the screen becomes black with only a cursor blinking and it doesn't suspend nor shutdowns.%% -->%green%Make sure that in the kernel, under ''Power management options (ACPI, APM) => ACPI (Advanced Configuration and Power Interface) Support'', the options look like this, especially the ''Sleep States'' has to be inactive:%% -->[@[*] ACPI Support [ ] Sleep States <*> AC Adapter <*> Battery <*> Button <*> Video < > Generic Hotkey (EXPERIMENTAL) <*> Fan < > Dock <*> Processor <*> Thermal Zone < > ASUS/Medion Laptop Extras < > IBM ThinkPad Laptop Extras < > Toshiba Laptop Extras (0) Disable ACPI for systems before Jan 1st this year [*] Debug Statements < > ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL) < > Smart Battery System (EXPERIMENTAL)@] -->%green%If, after setting the options as shown above, the system complains about ''lirc'' during suspend with a message similar to [@echo: write error: Device or resource busy@] and you see in your ''/var/log/messages'' something like... -->[@Jun 14 14:26:08 VIA Stopping tasks: ======================= Jun 14 14:26:08 VIA stopping tasks timed out after 20 seconds (1 tasks remaining): Jun 14 14:26:08 VIA lirc_dev Jun 14 14:26:08 VIA Restarting tasks...<6> Strange, lirc_dev not stopped@] -->%green%... try to manually shutdown the lirc devices before suspending the system. Do this with:%% -->[@/etc/init.d/lircd stop modprobe -r lirc_i2c modprobe -r lirc_dev@]