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 Forum index » Advanced Topics » Puppy Derivatives
mpdPup - Simplified MPD Music Server/Jukebox - v0.9.3
Moderators: Flash, JohnMurga
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wlowes

Joined: 07 Jun 2012
Posts: 48
Location: Toronto, Canada

PostPosted: Sat 13 Jul 2013, 13:18    Post subject: prlimit  

boulogne75

My basic ignorance of linux is showing Smile Thanks for this insight. It helps.

So I tested and confirmed what you said. I open ssh, run ulimit. The limit set lasts until the ssh session is closed, then on reopening, back to default. The sound is changed by issuing the ulimit command. I run a whoami and it returns root as expected. mpd is also running as root as I never set up a new user such as audio as many suggest.

prlimit does not exist in mpdpup. I suppose we should install it to set the limits for the mpd process. Another root would be to know where these default limits are set for root / ash / Bash or whatever and change it there??

I will keep reading, so again sorry for being so ill informed.
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boulogne75

Joined: 17 Dec 2012
Posts: 15

PostPosted: Sat 13 Jul 2013, 13:39    Post subject:  

The prlimit command is part of the util-linux package.
I think most of the values set by ulimit are hardcoded in the kernel source files (I am not sure).


Ok. Let's try something:

Create (if it exists modify) a file "/root/.bashrc" and paste your ulimit commands.
Reboot your computer and open a ssh session. ulimit -a to check that the root shells are now created with the new ulimit values.
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johnz

Joined: 14 Jul 2013
Posts: 1

PostPosted: Sun 14 Jul 2013, 01:42    Post subject:  MPDpup can not set in box GMPC  

Hi,ldolse,

I tried the MPDpup before and it is very good as a music play daemon system, now I want to add a LCD display to display music information directly in my music box, I checked the documentation of install process, found here has two kind of LCD display.
1, Use special LCD
2, Use computer display screen,

For option 1 I think it is complex and only could display some simple information.
for option 2, it could display all GMPC information directly from computer of MPDpup system, Now I can purchase these kind of small display screen in market and cost is not too high, the screen resolution is almost 800*480, and use D sub connector.

So I tried the option of in box control, one is Non X, one is GMPC, One is X system, I tried GMPC, but when I finished the configuration, there is could show the X desktop, but there can not show the GMPC automatic, please help to tell me how to configure it or need install some, thanks!
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boulogne75

Joined: 17 Dec 2012
Posts: 15

PostPosted: Sun 14 Jul 2013, 08:53    Post subject: Re: MPDpup can not set in box GMPC  

johnz wrote:

So I tried the option of in box control, one is Non X, one is GMPC, One is X system, I tried GMPC, but when I finished the configuration, there is could show the X desktop, but there can not show the GMPC automatic, please help to tell me how to configure it or need install some, thanks!


Try to create a "/root/.xinitrc" file and add:


#!/bin/sh
/usr/bin/gmpc


After that restart X.

Maybe Idolse can suggest a better solution.
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flatout

Joined: 09 Aug 2013
Posts: 1

PostPosted: Fri 09 Aug 2013, 05:33    Post subject: mpdpup and usb pant pant  

Struggle is its own reward... and I have now a working bit-perfect player.
many thanks to Idolse for the inspiration and perspiration in bringing this pup to fruition..

Due to hardware constraints (= no network clients= no network=no network hardware...therefore no external control/storage options) I am running mpd from the local machine via x-server.
boot is from cd (no usb boot support and plop is not a workable option) save file is from local hard-disk and music-folder is from a usb flash-drive (which I wish to share with my WDTVlive-plus.)

All is good when running via local sound-card, not bit-perfect but fine for a (noisey)work-shop server.

When using indoors to usb DAC the set-up is totally flakey..
MPDpup lists the DAC but will not allow access or configuration....
Finally discovered it is the USB bug where multiple usb devices mean the first used will occlude subsequent devices.

If I power up with both the flash drive and the DAC attached then MPDpup cannot find the dac to configure it.
If I power up with the flash drive attached and configure mpd THEN attach the dac all seems to work ok.

On subsequent reboots if the dac is attached then no amount of reconfiguring via mpdwizard will allow it.

Without network access and given the usb bug the remaining options dwindle and the vision of reusing older hardware is constrained.

Any suggestions as to workarounds would be most appreciated.

Cheers,
Bob.
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lazzarone

Joined: 09 Aug 2013
Posts: 4

PostPosted: Fri 09 Aug 2013, 13:41    Post subject:  

Hello to all,
I would like to know what is the command you from the terminal to restart MPD?
and wanting to use jack which procedure you have to follow is that possible?

sorry for my english
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lazzarone

Joined: 09 Aug 2013
Posts: 4

PostPosted: Tue 13 Aug 2013, 05:33    Post subject:  

Hello,
but this release will go ahead?
is not thought to also insert jack and pulse?
I would like to know what is the command you from the terminal to restart MPD?

Thanks a lot,

Italian translated by google;-)
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tgmosher

Joined: 01 Sep 2013
Posts: 3

PostPosted: Sun 01 Sep 2013, 04:10    Post subject: mpdPup - Connection Refused  

Getting totally frustrated with this one.

Trying to run mpdpup on an Intel Atom board with a Juli@ card.
- software on an 8 gb usb stick
- music on an external 2tb usb drive

Went through the troubles where the software didn't like having a USB keyboard, stick and usb drive all connected - keyboard wouldn't work three quarters of the time.

Now I get a 'connection refused' error when I try to access MPD. Does that through gnome, ario, and mpdroid. Through the direct connect, get the same error after mpd starts.

Edit:

Did a reboot from the command line. Now it dies during start with a "puppy_mpdpup_0.9.3.sfs not found. Dropping out to initial-ramdisk console".

Should it be this hard to get it to work or should I just shell out the money and get an Auraliti PK that works out of the box?
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PET-240

Joined: 22 May 2012
Posts: 74

PostPosted: Sun 01 Sep 2013, 04:34    Post subject:  

Earlier in this thread there was info about booting from usb and music on usb. Have a look through this and the previous mpdpup thread which was .92 from memory. If the atom board has an sd card slot try to install pup there, as it runs direct from ram after boot. There are some command line changes to make from memory. I have to go through this as I am looking to add an ssd to my alix board and add files from windows via filezilla.
Have a look about. Am sure Idolse or one of the others with much more knowledge will be about to assist before long.
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PET-240

Joined: 22 May 2012
Posts: 74

PostPosted: Sun 01 Sep 2013, 07:39    Post subject:  

And I wouldn't go the Auraliti, not because its bad, have never heard or played with one, but because with mpdpup you can adjust settings and "tune" the sound that works in your system.
I use an Alix 2d2 headless and I boot from cf card, use an amanero or wave io usb card. Looking to use an IDE to SATA converter for an attached hdd as mentioned above. Works a treat, wlowes has modded his alix regards powersupply and caps and so on as well, the fun just keeps on and on!
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tgmosher

Joined: 01 Sep 2013
Posts: 3

PostPosted: Sun 01 Sep 2013, 08:30    Post subject: Giving Up on a DIY Music Server  

I've given up on trying to figure out what's going wrong with the installs - just bought a used Auraliti PK-100 for a good price off ebay.

Here's the history of what I was trying to do:

V1 - Raspberry Pi with Raspyfi into a Schiit Modi USB DAC - works beautifully with no problems (keeping that - backup system)
V2 - Alix3D2 board using Voyage MPD - sort of works - doesn't see all of the music on my WD Book external drive (sold that puppy off)
V3 - Intel D945GSEJT board with a Juli@ sound card (it's got a DAC) - never could get it to work right with Voyage MPD, MpdPup, or VortexBox (on vortexbox the mb won't automatically book off an Intel 40GB SSD - have to manually select it).

After wasting many hours of my time - I bought the Auraliti PK100 - I already know what they sound like and it's plug-and-play (brother has a PK90 with the SOTM USB board in it).

I'd rather be listening to my music collection than messing with linux for hours on end.

Anyone interested in the following for decent prices?

Intel D945GSEJT board (less than a month old) with 1GB SODIMM and external 12V/5A power supply
ESI Juli@ PCI board
Intel D2700DC board (never really used) with 2GB DDR3 SODIMM
Intel 40 GB SSD

Miscellaneous cases including two Casetronic C137 (bought them with blown DC converter boards).
Mini-Box M350 case (unused)
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kocozze

Joined: 07 Nov 2012
Posts: 32

PostPosted: Fri 13 Sep 2013, 13:42    Post subject: spotify support  

Hi idolse,
I don't know if this question is already discussion in other topics...
what mean "spotify support"? Can I use spotify with mpd? How?
Thanks for reply Very Happy
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ldolse

Joined: 23 Oct 2009
Posts: 366

PostPosted: Mon 16 Sep 2013, 02:31    Post subject:  

Hi Kocozze - MPD's spotify support only works with Spotify premium, and at the moment support is rather unintuitive. Basically you can pass spotify playlist URLs to MPD using MPC or any other client which supports the custom URL format. Read more here:

http://thread.gmane.org/gmane.comp.audio.musicpd.devel/1928
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lazzarone

Joined: 09 Aug 2013
Posts: 4

PostPosted: Tue 17 Sep 2013, 12:09    Post subject:  

Hi,

I have a question:
sox but only works with File 44100/24
with file 96000/24 ​​and sox to 192000 no sound

thx
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kocozze

Joined: 07 Nov 2012
Posts: 32

PostPosted: Tue 24 Sep 2013, 12:12    Post subject: Equalizer  

Hi idolse,
Can you explain something about the equalizer option in mpdpup? I tried in foobar and xp a vst plugin for a parametric equalization and it works very fine. How can i activate the equalizer option in mpdpup? Is this parametric? Thanks
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