#raspberrypi IRC Log


IRC Log for 2014-02-21

Timestamps are in GMT/BST.

[19:53] -rajaniemi.freenode.net- *** Looking up your hostname...
[19:53] -rajaniemi.freenode.net- *** Checking Ident
[19:53] -rajaniemi.freenode.net- *** Found your hostname
[19:53] -rajaniemi.freenode.net- *** No Ident response
[19:53] -NickServ- This nickname is registered. Please choose a different nickname, or identify via /msg NickServ identify <password>.
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[19:53] -NickServ- You are now identified for DataBot.
[19:53] -MemoServ- You have 2 new memos.
[19:53] -MemoServ- To read them, type /msg MemoServ READ NEW
[19:53] * RaspberryPiBot (~PircBot@unaffiliated/datagutt/bot/databot) has joined #raspberrypi
[19:53] * Topic is 'Unofficial RaspberryPi IRC channel but "Blessed" by the Foundation as the ONE channel. Logs @ http://srv.datagutt1.com <> Channel Rules: http://tiny.cc/h7za1w <> Getting help on IRC: http://tiny.cc/p9za1w <>'
[19:53] * Set by ShiftPlusOne!~Shift@unaffiliated/shiftplusone on Sun Aug 04 19:59:52 CEST 2013
[19:53] * IT_Sean adds Fred88 to the Creepy Potential Murder List
[19:53] <SebSemmi> basti this was my first guess. But how I understand it, you only can use a camera via USB. I have the original Raspberry Pi Camera
[19:53] * dreamon_ (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 265 seconds)
[19:55] <Fred88> @sebsemmi checkout https://www.youtube.com/watch?v=iI8ADiL4NyY
[19:55] <Fred88> it was repetier server not octoprint
[19:56] * Nik05 (~Nik05@unaffiliated/nik05) has joined #raspberrypi
[19:56] <Fred88> there is some info in the comments
[19:56] <basti> http://www.maketecheasier.com/raspberry-pi-as-surveillance-camera/
[19:56] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 265 seconds)
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[19:59] * ChronoT (~ChronoT@87-93-72-201.bb.dnainternet.fi) has joined #raspberrypi
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[20:01] <SebSemmi> basti thx
[20:01] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) Quit (Quit: jorge_lo)
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[20:01] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) has joined #raspberrypi
[20:02] * dsirrine (dsirrine@nat/redhat/x-ulfjmehoplfkddfy) Quit (Read error: Operation timed out)
[20:04] * Encrypt (~Chuck-nor@AMontsouris-553-1-71-57.w92-151.abo.wanadoo.fr) Quit (Quit: Quitte)
[20:05] * jbaanus (~jbaanus@ Quit (Remote host closed the connection)
[20:06] * joako (~joako@opensuse/member/joak0) Quit (Ping timeout: 245 seconds)
[20:07] <MarcN> SebSemmi, another vote for the package motion. Don't think it will work with the PiCam though.
[20:08] <SebSemmi> MarcN but I seems, there is a binary to work with
[20:08] <SebSemmi> just looking into it right now
[20:08] * kirin` (telex@gateway/shell/anapnea.net/x-fupkxuushstwztkc) Quit (Ping timeout: 260 seconds)
[20:08] <ShorTie> there is a motion base option that works great with the rPi_cam
[20:09] * omgmog (~omgmog@ Quit (Quit: Computer has gone to sleep.)
[20:09] <MarcN> ShorTie, good to know. It doesn't present at a /dev/video, so assumed not.
[20:09] * kirin` (telex@gateway/shell/anapnea.net/x-yukqlgzhoqpceste) has joined #raspberrypi
[20:09] <MarcN> ShorTie, and too lazy to ssh to mine ;-)
[20:10] <ShorTie> nop, no /dev/video0
[20:10] <ShorTie> you can access it by any web browser
[20:10] * cottongin[USA] is now known as cottongin
[20:13] <MarcN> ShorTie, so there *is* support for the PiCam in motion?
[20:14] <ShorTie> it uses motion as a base, but it is all self contianed
[20:15] <MarcN> ShorTie, ah, I was looking at the stock motion in raspbian
[20:16] * dsirrine (dsirrine@nat/redhat/x-wntwlkcgqixbhlnp) has joined #raspberrypi
[20:16] * AbbyTheRat (~AbbyTheRa@209-197-140-244.cpe.distributel.net) Quit (Read error: Connection reset by peer)
[20:17] <ShorTie> maybe give it a quick look, it works real good http://www.raspberrypi.org/phpBB3/viewtopic.php?f=43&t=63276
[20:17] <ShorTie> it has a nice install and uninstall option
[20:18] * YamakasY (~yamakasy@ip503d3a24.speed.planet.nl) has joined #raspberrypi
[20:19] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) Quit (Quit: jorge_lo)
[20:21] <MarcN> ShorTie, I'll give it a try now
[20:21] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) has joined #raspberrypi
[20:22] <MarcN> ShorTie, I tried the picam python module and it worked well to create a timelapse
[20:22] <ShorTie> Cool
[20:24] * hubutm20 (~hubutm20@ Quit (Read error: Connection reset by peer)
[20:24] <ShorTie> hmmm, 'ln -s /run/shm/mjpeg/cam.jpg /var/www/cam.jpg' might make it so zoneminder can catch it
[20:24] * intothev01d (~intothev0@unaffiliated/intothev01d) Quit (Ping timeout: 252 seconds)
[20:28] * joako (~joako@opensuse/member/joak0) has joined #raspberrypi
[20:28] * YamakasY (~yamakasy@ip503d3a24.speed.planet.nl) Quit (Remote host closed the connection)
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[20:30] <MarcN> ShorTie, yeah not a big fan of 'hey just sh this from the internet', but I feel lucky today ;-)
[20:31] <ShorTie> oh it's fine
[20:31] * sco` (~ross@unaffiliated/sco/x-3425046) Quit (Ping timeout: 265 seconds)
[20:31] <MarcN> ShorTie, I took a quick peek at the script, probably ok. But it does dl more random bits.
[20:31] <ShorTie> just grab the script and look at it you want
[20:31] <MarcN> ShorTie, easy to wipe/replace
[20:32] <ShorTie> it does work easier/better from 'sudo su'
[20:33] <ShorTie> if there where bad things in it, i'm sure it would have come to light within the 13 pages on the forum
[20:35] <MarcN> ShorTie, http://gwiki.org for your viewing pleasure
[20:35] * sco` (~ross@unaffiliated/sco/x-3425046) has joined #raspberrypi
[20:36] * Technicus (~Technicus@ has joined #raspberrypi
[20:36] <MarcN> ShorTie, getting lots of RaspiMJPEG terminated messages...
[20:36] <ShorTie> looks good, except for all that white stuff, lol.
[20:36] * Syliss (~Home2@c-24-23-6-50.hsd1.ca.comcast.net) has joined #raspberrypi
[20:36] <ShorTie> i've never seen that
[20:37] <ShorTie> well, except on yours
[20:37] <ShorTie> maybe try a fresh image and install
[20:37] <MarcN> ShorTie, We have plenty, mail some down?
[20:38] <ShorTie> no Thank You
[20:38] <ShorTie> we have been getting it almost daily our selfs
[20:38] <ShorTie> but it gone by noon most of the time .. :)~
[20:39] * koell (~galactica@ has joined #raspberrypi
[20:41] <MarcN> ShorTie, the mail came!
[20:42] <ShorTie> cool, is my present there then ??
[20:42] * ShorTie snickers
[20:43] * trickyhero_ (~trickyher@d4-50-67-5.try.wideopenwest.com) has joined #raspberrypi
[20:43] * jfrousval (~jfrousval@ARouen-651-1-412-214.w90-22.abo.wanadoo.fr) Quit (Read error: Operation timed out)
[20:44] <MarcN> ShorTie, my kids walking home...
[20:44] * Slippern (slippern@server02.hjemmeserver.info) has joined #raspberrypi
[20:45] * onder`_ (~onder@dyn-dsl-to-76-75-118-5.nexicom.net) has joined #raspberrypi
[20:45] * onder` (~onder@dyn-dsl-to-76-75-118-5.nexicom.net) Quit (Ping timeout: 252 seconds)
[20:45] * onder`_ is now known as onder`
[20:45] <Raynerd> Evening
[20:45] <ShorTie> howdy
[20:45] <Raynerd> hody dodie
[20:46] <Raynerd> howdy**
[20:47] <ShorTie> have you looked thru that usb drive link ??
[20:47] <ShorTie> i think that be the best for kids
[20:48] <Raynerd> Anemometer is up and running at home to test: https://twitter.com/RaynerdPi/status/436916561241444352/photo/1
[20:48] <MarcN> ShorTie, wha? I was referencing the little webcam image
[20:48] <Raynerd> ShorTie - I agree but in your opinion, what is the reason it is best method?
[20:49] * Syliss (~Home2@c-24-23-6-50.hsd1.ca.comcast.net) Quit (Quit: Syliss)
[20:49] <Raynerd> Most kids will have a USB and it`ll certainly save the sd slot
[20:49] <ShorTie> save ware and tare in the fragil sdcard slot
[20:49] <Raynerd> yes
[20:51] <ShorTie> there is a sed fix so raspi-config will expand root to the whole usb drive
[20:51] <shiftplusone> make sure it's not ancient
[20:51] <shiftplusone> That parts of raspi-config has been changed a bit.
[20:51] <Raynerd> Could anyone tell me the reason web browsers are slow on the Pi ? My limited knowledge told me that speed was purely dependant on network speed but this can`t be true
[20:52] <shiftplusone> though I suppose replacing mmcblk0 with sda might be enough. Haven't looked at it in a while.
[20:52] <Raynerd> is it a memory thing with so much data coming through?
[20:52] <ShorTie> that is all it does
[20:52] <shiftplusone> Raynerd, because it's not using the GPU to render.
[20:52] <ShorTie> sed -E 's/mmcblk0p?/sda/'
[20:53] <shiftplusone> ah
[20:53] <Raynerd> :-S english or simpler version?
[20:53] <Raynerd> processing unit to render .. ??
[20:54] <ShorTie> it looks thru the file for mmcblk0p? and changes it to sda
[20:54] <shiftplusone> Raynerd, 'graphics card' is not used to draw pages. Instead, it's done by the (slow) CPU. Drawing pages takes a lot of operations, so it eats up processing time. </simple>
[20:55] <basti> can i pi run 24/7 with an 800mA power supply when it justs play music with mplayer? nothing connected, but hdmi/ethernet
[20:55] <Raynerd> ahhh!! that does make sense. Because a standard laptop or pc would have a graphics card dealing with it
[20:55] <basti> can a
[20:56] <shiftplusone> Raynerd, even without the graphics card, the CPU would many times faster.
[20:56] <Raynerd> yes ok
[20:56] <shiftplusone> basti, should be fine.
[20:57] * intothev01d (~intothev0@unaffiliated/intothev01d) has joined #raspberrypi
[20:57] * cucuy (~PiAreSqua@cpe-67-11-205-246.satx.res.rr.com) has joined #raspberrypi
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[20:59] <jbaanus> WIll this kernel branch make USB on rpi hopefully a lot better? https://github.com/raspberrypi/firmware/commit/a08a0301df7ff08c341409c6dc528e38041be573
[20:59] <jbaanus> I know USB on rpi is troubled currently due to crappy drivers
[21:01] <Raynerd> http://www.dingleberrypi.com/2013/05/install-and-run-raspbian-from-a-usb-flash-drive/
[21:01] <shiftplusone> jbaanus, that's the hope
[21:01] <jbaanus> I just noticed the commit - is there a up to date forum thread about it?
[21:01] <shiftplusone> http://www.raspberrypi.org/phpBB3/viewtopic.php?f=28&t=23544&start=475#p509198
[21:03] * mpking (~mpking@c-68-53-89-70.hsd1.tn.comcast.net) has joined #raspberrypi
[21:03] * Raynerd (~pi@host86-180-180-191.range86-180.btcentralplus.com) Quit (Quit: Leaving)
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[21:07] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) Quit (Read error: Connection reset by peer)
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[21:09] <Raynerd> anyone got a picamera - I`m curious what the time delay is for before it takes a picture. If it is essential then fine but I`d like to get rid of it if it isn`t needed. I just want to take the picture immediately.
[21:10] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) has joined #raspberrypi
[21:10] <Raynerd> I know the -t value sets the delay. Just curious as to why it is there. Is it simply to give you time to move the camera?
[21:12] * Gadget-Mac (~swp@ Quit (Read error: No route to host)
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[21:15] <ScottD> It's not exactly Pi related, but is anyone here good with USB?
[21:17] <shiftplusone> I think anyone who would answer 'yes' to that should probably say 'no'
[21:17] <ScottD> LOL
[21:17] <Nopik> hi all.. why when I'm deleting files from sd card (btrfs), the free space is not increased?
[21:18] <Nopik> i've deleted few gigabytes already, and it still says i have zero space left ;(
[21:18] * jfrousval (~jfrousval@ARouen-651-1-345-99.w92-132.abo.wanadoo.fr) has joined #raspberrypi
[21:19] <Nopik> hm, another gigabyte and now it says: 117mb free
[21:20] <MarcN> Raynerd, I have a picamera
[21:20] <MarcN> Raynerd, what do you want to know?
[21:20] <MarcN> Raynerd, probably that is the reason. Write some python to do exactly what you want is one option. Or the -t 0 prbably works too
[21:21] * guysoft42 (guy@ Quit (Remote host closed the connection)
[21:21] * AbbyTheRat (~AbbyTheRa@174-138-205-147.cpe.distributel.net) has joined #raspberrypi
[21:21] <MarcN> Nopik, try 'sync' and then check again. Not sure when btfs flushes
[21:21] <Nopik> tried that, didn't help
[21:22] * divine (~divine@ Quit (Quit: Lost terminal)
[21:23] <HoloPed> has anyone worked with XRF or any other RF wirelss sensors ?
[21:23] <Nopik> i did that like 15 minutes ago, now i've done sync again and now it is considerably slower, hanging for about a minute and counting.. fingers crossed :)
[21:24] * sco` (~ross@unaffiliated/sco/x-3425046) Quit (Read error: Operation timed out)
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[21:27] <MarcN> Nopik, just created/deleted a 100M file and works as expected on my ext4 partition. Why are you using btfs? default of some distro?
[21:27] <Nopik> yes, on xbian
[21:28] <Nopik> raspbian has ext4 by default on sd card? didnt tried that distro yet
[21:28] * dreamon_ (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 260 seconds)
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[21:29] <MarcN> Nopik, yes it does. I'm a debian fan
[21:30] * sco` (~ross@unaffiliated/sco/x-3425046) has joined #raspberrypi
[21:30] <Nopik> nice, i think i'll try it as well.. i had this situation before, the free space was vanishing over time and was not reclaimed. i've been reading brtfs docs and it generally said that it happens rarely, but you can reclaim the space by running some balance tool. i did, and the next thing i had to do was reinstall :)
[21:30] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[21:31] <Nopik> i installed xbian again, but it seems that it is the last time i'm using it, ext4 doesnt have problems like this
[21:32] <MarcN> Nopik, I don't think any major linux distro has defaulted to btfs yet
[21:32] <rikkib> The best way to run RPi is by using another Linux PC with nfs and running the RPi with nfs root.
[21:32] <sney> yeah btrfs still has some breakage, not quite ready for primetime
[21:33] <MarcN> rikkib, too bad it doesn't support PXE, could completely go disk free.
[21:33] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) Quit (Quit: jorge_lo)
[21:33] <Nopik> weird choice by xbian, then.. otherwise i was quite nicely surprised how smooth things worked out of the box (as a first-time rpi user)
[21:33] <rikkib> You still need a boot partition
[21:34] <rikkib> but is only read
[21:34] <MarcN> rikkib, or you could mess with the initrd and use iSCSI.
[21:34] <rikkib> to load the kernel
[21:35] <rikkib> and run watchdog
[21:35] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) has joined #raspberrypi
[21:35] <rikkib> Then the Rpi will keep running
[21:35] * Encrypt (~Chuck-nor@AMontsouris-553-1-71-57.w92-151.abo.wanadoo.fr) has joined #raspberrypi
[21:36] <rikkib> Otherwise they fall over on a regular basis with no way of figuring what happened
[21:38] <rikkib> The camera without NFS root fell over yesterday one day after being installed
[21:39] <rikkib> The working cam uses a ordinary web cam... The dead one is running a RPi camera module.
[21:40] * SebSemmi (~SebSemmi@g231216154.adsl.alicedsl.de) Quit ()
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[21:44] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[21:45] * Raynerd (~pi@host86-180-180-191.range86-180.btcentralplus.com) Quit (Read error: Operation timed out)
[21:46] <Jusii> I might have to disagree a little ;)
[21:46] <Jusii> ok, they've been actually running only since last october
[21:47] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) has joined #raspberrypi
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[21:48] <MarcN> rikkib, dirty power supply? Any idea why it didn't reboot?
[21:48] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) has joined #raspberrypi
[21:50] <rikkib> It has not been rebooted yet
[21:50] <rikkib> It is remote from me.
[21:51] <rikkib> Both cams have the same supply
[21:51] <rikkib> The working one has been running for over a year
[21:51] * divine (~divine@ has joined #raspberrypi
[21:51] <rikkib> Is a version one board
[21:53] * Encrypt (~Chuck-nor@AMontsouris-553-1-71-57.w92-151.abo.wanadoo.fr) Quit (Ping timeout: 252 seconds)
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[22:38] <treeherder> spikerd, opencv is pretty straight forward... building it from source is covered in their docs
[22:39] <treeherder> but my guess is that whatever video cap you're using isn't using the right codec
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[23:09] * mijk (~Adium@67-204-209-13.eastlink.ca) has joined #raspberrypi
[23:09] <mijk> hi
[23:10] <mijk> is there such a thing as a GPIO SD reader?
[23:11] * slymatt (4e91b4a8@gateway/web/freenode/ip. has joined #raspberrypi
[23:11] * Nenor (~Nenor@ip4-95-82-183-100.cust.nbox.cz) Quit ()
[23:11] <slymatt> Hey guys!
[23:12] <slymatt> could someone help me with gui? =)
[23:13] * tkeemon (~tj@vpn.rmdinc.com) has joined #raspberrypi
[23:13] <slymatt> anybody here?
[23:14] <ShorTie> what is the matter with the gui ??
[23:14] <slymatt> Well i dont know how to go about writing gui in C++ to control gpio/arduino shield
[23:14] <ShorTie> oh
[23:15] <slymatt> ShorTie: ?
[23:15] <ShorTie> since i couldn't program my way out of a wet paper bag, i', not much use, lol.
[23:15] * dsirrine (dsirrine@nat/redhat/x-wntwlkcgqixbhlnp) Quit (Read error: Operation timed out)
[23:15] <slymatt> haha
[23:15] * jorge_lo (~anonymous@cpe-74-71-0-246.nyc.res.rr.com) Quit (Quit: jorge_lo)
[23:15] <shiftplusone> slymatt, why not go with gtk?
[23:16] * guysoft42 (guy@ has joined #raspberrypi
[23:16] <shiftplusone> or qt
[23:16] <slymatt> shiftplusone: i dont even know where to start with any of it lol
[23:16] <shiftplusone> hell, a web interface will work
[23:16] <shiftplusone> plenty of options
[23:16] * Vibe (~Vibe@gateway/tor-sasl/vib3) Quit (Ping timeout: 240 seconds)
[23:16] <shiftplusone> a google search for gtk tutorial would be a start
[23:16] <shiftplusone> and the official documentation
[23:17] <slymatt> shiftplusone: let me check again
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[23:18] <slymatt> shiftplusone: everything is in python =(
[23:18] <shiftplusone> lies
[23:18] <shiftplusone> https://developer.gnome.org/gtk-tutorial/stable/
[23:18] <shiftplusone> or for 1.2 http://www.gtk.org/tutorial1.2/
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[23:19] <shiftplusone> I think the argument would be that it's all for C rather than C++
[23:19] <shiftplusone> c++ folks seem to prefer qt
[23:19] <shiftplusone> and there's no shortage for qt tutorials
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[23:22] <slymatt> shiftplusone: that looks very very messy
[23:22] <slymatt> =S
[23:22] <shiftplusone> unfortunately, that's the state of GUI programming
[23:22] <shiftplusone> there are all sorts of tools that hide it though, like qt designer or gtk glade
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[23:24] <shiftplusone> I've heard folks say that gt5's qml is the answer to the problem, but I am not familiar with it.
[23:25] <shiftplusone> it makes gui programming as straight forward as web development (the frontend stuff anyway).
[23:26] <slymatt> sbj
[23:26] <slymatt> how did i just type that haha
[23:26] <slymatt> shiftplusone: ill take a look now =P
[23:28] <slymatt> shiftplusone: any idea why my resolution seems to cut off all the edges and is massive on the rpi??
[23:28] * mijk (~Adium@67-204-209-13.eastlink.ca) Quit (Quit: Leaving.)
[23:29] <shiftplusone> overscan, I suppose
[23:29] <shiftplusone> http://elinux.org/RPiconfig
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[23:32] <slymatt> shiftplusone: overscan is disabled
[23:32] * plugwash (~plugwash@97e03ff4.skybroadband.com) has joined #raspberrypi
[23:32] <slymatt> but i still have a big black box around my rpi display, and the resolution is mahusive
[23:32] <shiftplusone> is this composite or HDMI?
[23:33] <slymatt> shiftplusone: hdmi
[23:33] <shiftplusone> is it going through an adapter to vga or anything like that?
[23:34] <slymatt> No just hdmi
[23:34] <slymatt> hmm why is hdmi group 2 and hdmi mode 4
[23:34] <slymatt> =S
[23:34] * AndrevS (~andrevs@2001:980:55e0:1:225:b3ff:fec0:41e1) Quit (Ping timeout: 245 seconds)
[23:34] <slymatt> shouldnt it be group 1, and erm
[23:34] <shiftplusone> I am not too familiar with such things. It 'just works' for me, so maybe poke around the config file.
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[23:35] <slymatt> shiftplusone: can the file be edited whil using it?
[23:35] <shiftplusone> yeah, but you'll need to reboot for changes to take effect
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[23:43] <slymatt> shiftplusone: lets give it a go =P
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[23:46] <slymatt> shiftplusone: hmm changing configs doesnt seem to do anything
[23:46] <shiftplusone> Are you using NOOBS?
[23:46] <slymatt> if i change them and check in the command line they stay same
[23:47] <slymatt> shiftplusone: noobs?
[23:47] <shiftplusone> or are you writing the image using DD? (for the install)
[23:47] <slymatt> debian is the os using berryboot
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[23:48] <shiftplusone> Don't know what berryboot does, but I presume there's only one fat32 partition?
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[23:48] <ShorTie> straight raspbian is the way to go
[23:48] <shiftplusone> well, I know what it does, just not 100% of the details
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[23:49] <ShorTie> then you might be able to scratch it out
[23:49] <slymatt> ShorTie: id restart and reinstall if i remembered what things i installed to get my arduino shield working =P
[23:49] <ShorTie> notes are nice .. :)~
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[23:50] <shiftplusone> and what did you mean by they stay the same in command line?
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[23:52] <slymatt> k
[23:52] <slymatt> grr
[23:52] <slymatt> i hate using 2 keyboards haha
[23:52] * Syliss (~Home2@c-24-23-6-50.hsd1.ca.comcast.net) has joined #raspberrypi
[23:52] <slymatt> shiftplusone: if you do vcgencmd get_config int it tells you what your config settings are, they dont change if i change the settings
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[23:53] <shiftplusone> hm
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