#raspberrypi IRC Log


IRC Log for 2014-12-19

Timestamps are in GMT/BST.

[14:44] -kornbluth.freenode.net- *** Looking up your hostname...
[14:44] -kornbluth.freenode.net- *** Checking Ident
[14:44] -kornbluth.freenode.net- *** Found your hostname
[14:44] -kornbluth.freenode.net- *** No Ident response
[14:44] -NickServ- This nickname is registered. Please choose a different nickname, or identify via /msg NickServ identify <password>.
[14:44] -NickServ- You have 30 seconds to identify to your nickname before it is changed.
[14:44] -NickServ- You are now identified for DataBot.
[14:44] -MemoServ- You have 2 new memos.
[14:44] -MemoServ- To read them, type /msg MemoServ READ NEW
[14:44] * RaspberryPiBot (~raspberry@unaffiliated/datagutt/bot/databot) has joined #raspberrypi
[14:44] * Topic is 'Unofficial RaspberryPi IRC channel but "Blessed" by the Foundation as the ONE channel. Logs @ http://srv.datagutt1.com <> Channel Rules as of 6 May '14: http://tiny.cc/h7za1w <> Getting help on IRC: http://tiny.cc/p9za1w'
[14:44] * Set by Davespice!~quassel@cpc9-haye18-2-0-cust94.haye.cable.virginm.net on Thu Nov 13 17:24:22 CET 2014
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[16:21] * joebob_ (6c23e8e0@gateway/web/freenode/ip. has joined #raspberrypi
[16:25] <joebob_> I'm having problems with pyserial talking to arduino. Most of the forum posts I've found are people sending simple data back and forth (ex: blinking an LED). I'm sending more data and my arduino code isn't constantly polling to see if there's data. It goes on and does a lot of other things. Pyserial sends the data and arduino confirms. Often, pyserial will just fail to catch that confirmation message. Even when I send it repeat
[16:25] <canton7> is the confirmation definitly sent, first off?
[16:25] <joebob_> I'm using 1 second delays throughout, 3 second delay when opening the port, all the tips that the forums say. But I'm still just hitting a wall where it never works well
[16:26] <joebob_> yes I'm using soft serial with arduino so I can monitor through USB on my comp what the arduino is doing and making liberal use of print statements within python to diagnose what is going on
[16:27] * Lupinedk is now known as lupinedk
[16:28] <joebob_> I've also tried probably every conceivable combination of flush statements on either side
[16:29] * vcolombo (~vcolombo@cip-248.trustwave.com) has joined #raspberrypi
[16:30] <joebob_> in previous versions, python would chirp when it was sending data to the arduino. arduino would answer, then python would send the data and wait for confirmation.
[16:30] * mortale (~mortale@gateway/tor-sasl/mortale) Quit (Ping timeout: 250 seconds)
[16:31] <joebob_> half the time arduino would just kind of miss the data. the other half pyserial wouldn't grab the confirmation. in my current version, I'm using an interrupt pin on the arduino to solve the chirp problem. I thought about using another pin back from arduino to RPi.GPIO to signal confirmation.
[16:32] <joebob_> and that's how I landed here. If I need 4 pins to pull off serial communication, I must be doing something wrong. right?
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[17:13] * crippa (uid57562@gateway/web/irccloud.com/x-tbipvosfkjojywoo) has joined #raspberrypi
[17:14] <crippa> hi. what are your suggestions for a web-based mail client on a raspberry pi? I'm looking at a balanced solution between speed and features
[17:14] <crippa> (NB I have my mail server running locally)
[17:14] <ozzzy> I use google mail
[17:14] <crippa> yes, thank you
[17:15] <crippa> I need to access my email @myownsite.com
[17:15] <ozzzy> I use google mail for that too
[17:15] <ozzzy> I have 5 accounts that all get handled by google mail
[17:15] <crippa> why are you even speaking to me? :)
[17:16] <ozzzy> because you're asking
[17:16] <crippa> I'm looking for a web-based mail client to install on my raspberry
[17:16] <crippa> squirrelmail / roundcude / .. whatever
[17:16] <ozzzy> they're not 'installed'.... they live on the server
[17:16] <crippa> I'm asking for suggestions on which one to choose for having a smooth experience
[17:17] * flexus (~user@2a02:8388:2000:9d80:5dae:516c:4140:1a3c) has joined #raspberrypi
[17:17] <crippa> are you a troll?
[17:17] <ozzzy> not at all
[17:17] <crippa> however you want to call the process to having them running on the pi then..
[17:18] <ozzzy> we have squirrelmail and roundcube on our server.... I don't use either
[17:18] <ozzzy> I found that they didn't offer enough flexibility to handle multiple accounts
[17:19] <crippa> by 'multiple' you mean how many? 10? or 100?
[17:20] <crippa> I'm probably going to need 5-10 accounts
[17:20] <ozzzy> no... I mean accounts from different organizations
[17:20] <ozzzy> I have my business email, my personal email, my email from the astronomy club etc. etc.
[17:20] * nimoot (~HomoSapie@unaffiliated/toomin) Quit (Ping timeout: 250 seconds)
[17:21] <ozzzy> and neither would let me integrate them all
[17:21] <crippa> I see your point.
[17:21] <crippa> yes I've heard squirrelmail is pretty poor in features..
[17:21] <crippa> no idea about other options
[17:22] * bizarro_1 (~bizarro_1@153.Red-88-5-40.dynamicIP.rima-tde.net) has joined #raspberrypi
[17:22] <ozzzy> and that was why I suggested google
[17:22] <ozzzy> [shrug]
[17:22] * Froolap (~Froolap@pool-96-254-39-246.tampfl.fios.verizon.net) has joined #raspberrypi
[17:22] <crippa> thanks. in my case, I'll have some (max 10) separate users accessing emails on the pi, but only using the local mail server
[17:23] * nimoot (~HomoSapie@unaffiliated/toomin) has joined #raspberrypi
[17:23] <crippa> and I'm looking for a solution possibly less 80s-like (such as squirrelmail) but still fast and light
[17:23] * D-Boy (~D-Boy@unaffiliated/cain) Quit (Excess Flood)
[17:23] <ozzzy> if they're all from the same server then either squirrel or roundcube would do fine
[17:24] <ozzzy> is it your mail and web server?
[17:24] <crippa> yes
[17:24] <ozzzy> you should be able to customize either then to look any way you like
[17:24] <crippa> nginx/php, postfix/dovecot
[17:24] * lord4163 (~lord4163@78-68-207-39-no226.tbcn.telia.com) Quit (Ping timeout: 245 seconds)
[17:25] <crippa> do you know if any of them offer a calendar option?
[17:25] <ozzzy> now that I don't know
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[17:26] <crippa> thanks ozzzy
[17:26] <ozzzy> anyway.... I hope you find your answer.... gotta go walk the dog
[17:26] <crippa> cheers
[17:26] * pilbender (~scott@ip68-230-33-152.ph.ph.cox.net) has left #raspberrypi
[17:28] <nid0> crippa - it's perfectly easy to implement any of your three suggested webmail clients with multiple users
[17:29] <crippa> it's not a problem of difficulty in having them. it's more a matter of usability
[17:29] <nid0> personally of the three i'd go for roundcube - squirrelmail is a super basic client which is useful if you're using like win98 boxes or crummy gprs net connections but otherwise is pretty poor
[17:29] <crippa> if they're slow and not pleasant to use, I'm not going to go for them
[17:29] <nid0> and horde is kinda cumbersome and bloated these days
[17:30] <crippa> any other option you're aware of?
[17:30] <nid0> there's afterlogic, rainloop, zimbra, atmail, mailr, and plenty of others
[17:31] <crippa> and would you suggest any of these?
[17:31] <nid0> ymmv getting them to run on the pi, but they're all PHP so fundamentally shouldn't be problematic
[17:31] <joebob_> anyone have any advice for my pyserial problem? I described it about an hour ago up there ^
[17:32] * lord4163 (~lord4163@78-68-207-39-no226.tbcn.telia.com) has joined #raspberrypi
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[17:33] <nid0> I would probably still go for roundcube as a starting point, if you find it's too slow after appropriate PHP/webserver optimisations then you might want to go for something a bit more lightweight like atmail (though atmail is not free)
[17:34] <crippa> I'm a cheap bastard so no atmail..
[17:35] <nid0> assuming you do want something that looks fairly nice if neither roundcube or atmail end up being suitable, probably afterlogic next
[17:35] * Insmell (~Todd@ Quit (Quit: Insmell)
[17:35] * darkavenger is now known as darkavenger_afk
[17:36] <crippa> you mean afterlogic is lighter than roundcube but with less features?
[17:36] * ch007m (~chm@ip-83-134-181-207.dsl.scarlet.be) has joined #raspberrypi
[17:37] <nid0> i've not directly compared performance on a low enough spec system to see any difference to know whether roundcube or afterlogic would run better, I just know theyre both less cumbersome than some alternatives and of the two am more familiar with and prefer the interface of roundcube
[17:38] <crippa> thanks a lot
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[19:39] <heller\> hello
[19:40] <heller\> i need to show 2 sensor values from raspberr pi b+, what sort of lcd do you guys suggest?
[19:40] <heller\> a reeaally simple one. i've got 16x2 lcd with i2c packback, but it seems too complicated for such small lcd
[19:41] <heller\> i'd be happy with small tft and a touchscreen, but they are rather expencive
[19:41] <Encrypt> heller\, How frequently will it refresh?
[19:41] <heller\> every 10s is enough :)
[19:41] <heller\> but maybe every second
[19:42] <Encrypt> Ok
[19:45] <shiftplusone> The LCD you have sounds ideal, but there are plenty of tft ones. Take a look at what notro's pitftfb thing supports and buy one of those.
[19:47] <heller\> tft:s are ofter bigger
[19:47] <heller\> i'd like one pretty small
[19:47] <heller\> and something that doesnt take GPIO-pins
[19:49] <ShorTie> is 4.3" to big ??
[19:49] <heller\> well, for two sensors, maybe?
[19:51] <ShorTie> was thinking sumfin like this http://www.ebay.com/itm/New-4-3-Inch-LCD-TFT-Rearview-Rear-view-Monitor-screen-for-Car-Backup-Camera-/140787036329?pt=US_Rear_View_Monitors_Cams_Kits&hash=item20c78fb0a9
[19:51] <ShorTie> hooks up by composite video
[19:52] <ShorTie> if you can solder, you can power it from the pi
[19:56] <heller\> i dont want that kind of externak
[19:56] <heller\> i want something i cant install to the caes
[19:56] <heller\> case
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[19:57] <heller\> for the 16x2 lcd i could make hole and you know
[19:57] <heller\> ShorTie: shipping $25 :P
[19:57] * schneekluth (~schneeklu@p3E9D0C63.dip0.t-ipconnect.de) Quit (Quit: schneekluth)
[19:58] <ShorTie> ya, gotta search a bit for the best deal
[19:59] <heller\> sure
[19:59] <ShorTie> i got it mounted on top of a case
[19:59] <heller\> but thats a bit over for my needs
[20:00] <heller\> and i would also need to work out how to power rpi from 12V
[20:00] <heller\> maybe ill use a smps
[20:00] <heller\> which is quite big, but good for the job
[20:00] <ShorTie> na, you do it the other way, no problemo
[20:01] <heller\> anyway, about the lcd, 16x2 is good option for me, but they need alot of code
[20:01] <heller\> and i dont like i
[20:01] <heller\> t
[20:01] <ShorTie> my movie camera https://www.dropbox.com/s/kpe5ek17e7e4fkf/IMAG0003.JPG
[20:01] <ShorTie> see, it's powered from the pi
[20:02] <Encrypt> Nice :)
[20:02] <ShorTie> Thankz .. :)~
[20:03] <heller\> hehe
[20:03] <heller\> well, i need to ask this again tomorrow. to get more advice on this :)
[20:04] * Gazpaxxo (~bizarro_1@153.Red-88-5-40.dynamicIP.rima-tde.net) has joined #raspberrypi
[20:05] <Encrypt> heller\, By the way...
[20:05] <Encrypt> It must be fun playing with eink to my mind...
[20:05] <Encrypt> http://www.embeddedartists.com/products/displays/lcd_27_epaper.php
[20:05] <heller\> oo that would be sweet
[20:06] * Mr_Sheesh (~mr_s@unaffiliated/mr-sheesh/x-0757054) Quit (Disconnected by services)
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[20:06] <Encrypt> heller\, That's why I asked you the update frequency
[20:06] <Encrypt> Once every second wouldn't be appropriate for eink
[20:06] * Mr_Sheesh (~mr_s@unaffiliated/mr-sheesh/x-0757054) has joined #raspberrypi
[20:07] <Encrypt> heller\, I saw a nice project using eink here
[20:07] <ShorTie> but that takes gpio pins right ??
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[20:07] <Encrypt> A weather station showing the weather for the next 4 days
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[20:07] <Encrypt> ShorTie, YEs :/
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[20:13] <heller\> this sounds good https://learn.adafruit.com/adafruit-16x2-character-lcd-plus-keypad-for-raspberry-pi/usage
[20:13] <Encrypt> http://www.geeky-gadgets.com/clockone-by-twelve24-uses-worlds-largest-die-cut-e-ink-display-05-11-2014/
[20:13] <Encrypt> :O
[20:13] <heller\> but does it work with other ones
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[20:44] <heller\> damn, where is my i2c backpacks
[20:44] <Twist-> heller\: serial LCDs are easier to use than parallel LCDs. At the cost of added expense.
[20:45] <heller\> even in raspberry pi?
[20:45] * Encrypt (~Chuck-nor@AMontsouris-553-1-76-48.w92-151.abo.wanadoo.fr) Quit (Quit: Eating time!)
[20:45] * ashkanull (~ashkan@ Quit (Ping timeout: 250 seconds)
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[20:47] <Twist-> http://www.adafruit.com/product/782
[20:48] <Twist-> vs the cheap way: https://learn.adafruit.com/drive-a-16x2-lcd-directly-with-a-raspberry-pi
[20:49] * darkavenger_afk is now known as darkavenger
[20:49] <heller\> that 16x2 oled is cool
[20:49] <heller\> im not doing any lcd what needs that many wires :p
[20:50] <Twist-> it's just that those 16x2 hd44780 LCDs are $2-$3 new, and can be salvaged from many pieces of junk electronics.
[20:50] * rcombs (~rcombs@rcombs.me) Quit (Read error: Connection reset by peer)
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[20:52] <heller\> damn i need mmmmoney
[20:53] <shiftplusone> I hear jobs are good for that sort of thing
[20:53] <Twist-> Or skill. Which can be developed at almost no monetary cost. :D
[20:54] <heller\> raspberry pi A+ would be nice.
[20:54] <heller\> well job is good
[20:54] <heller\> im pretty new to python
[20:54] * kenrestivo (~kenrestiv@ has joined #raspberrypi
[20:54] <heller\> i've only done one script. a reboot/shutdown button for rpi
[20:54] <kenrestivo> is spindle the current best-practices to customize a raspberry pi image?
[20:54] <heller\> i am about to make a temp logger for my fridge :P
[20:55] <heller\> but yesterday boss told me to make a temp logger at work
[20:55] <heller\> so i got payd to learn how to do it :)
[20:55] <heller\> paid*
[20:55] <kenrestivo> also, why does it require qemu to create/burn an image? seems like it should be able to do that without running an emulator
[20:55] * cluelez________ (~soemgirl@gateway/tor-sasl/soem-girl) Quit (Ping timeout: 250 seconds)
[20:55] <kenrestivo> and the downgrade... sheesh...
[20:56] <heller\> btw, do you guys have a list what to remove from the RPI to make it smaller/faster?
[20:56] <heller\> pretty much unused stuff to only use ds18b20, and other GPIO stuff
[20:56] <heller\> and python
[20:57] * CoJaBo (~aztec@unaffiliated/cojabo) Quit (Ping timeout: 255 seconds)
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[20:58] <kenrestivo> hah, looks like you have to use spindle to generate a lean image :-)
[20:59] <heller\> btw am i right, that i could dim a led with time.sleep?
[20:59] <heller\> just make it HIGH/LOW fast enough?
[20:59] <kenrestivo> i'm trying to do something similar. and getting frustrated with how heavyweight spindle is... chroots... downgraded qemus... qemu at all...
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[21:01] <shiftplusone> kenrestivo: because you often need to run stuff in the native architecture. Otherwise, you're just copying files.
[21:01] <shiftplusone> And yes, a chroot with qemu-user-static is the best way to do that
[21:02] <shiftplusone> alternatively bootstrap on a pi
[21:02] <kenrestivo> i'm pretty sure i've generated debian roots for non-native architectures before, without qemu
[21:02] <kenrestivo> but it's been a while.
[21:02] <shiftplusone> maybe you did first stage
[21:02] <kenrestivo> aye, that's possible.
[21:03] <shiftplusone> after first stage, the system needs to 'boot' and run script it installs to finish up
[21:03] <shiftplusone> Why do you need to generate an image? Why not use raspbian-ua-netinst?
[21:04] <kenrestivo> lean image; only need a few packages, also need to add a few things, fbftt, custom kernel, etc
[21:04] <shiftplusone> for personal use?
[21:04] <shiftplusone> install using raspbian-ua-netinst, configure it however you want and take a backup.
[21:04] <kenrestivo> nope, as a distro for a couple dozen units
[21:05] <kenrestivo> for now i'm just customizing by hand, on a pi, and plan to just dd the thing
[21:06] <shiftplusone> hm
[21:06] <kenrestivo> (actually customizing on nfsroot, because my pi keeps eating sdcard rootfs'es, then rsync -av'ing over to a pi to make an sdcard)
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[21:07] <kenrestivo> but i'd rather use the "official" tools and processes, if practical
[21:07] <shiftplusone> I'd bootstrap and use a qemu chroot. There are a few gotchas though. You need to disable automatic starting of services when things are installed, you need to disable the optimized memcpy routines, and then re-enable those things before you roll the image out.
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[21:08] <shiftplusone> kenrestivo: I have a tool in the works which I think you'll appreciate. I am hoping to use it to replace spindle and make it the new official way to roll images. Are you interested in testing?
[21:08] <kenrestivo> ooh, cool
[21:08] <kenrestivo> yes
[21:09] <shiftplusone> can I get your email? It will be a while before I get to it, but the essentials seem to be there, I just need to clean up the makefile, update kconfig and do a bit of testing.
[21:09] <kenrestivo> i'll pm you
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[21:15] <kenrestivo> thanks. i think i'll stick with the homegrown thing for now, i don't feel like investing the time in spindle, and i'll try out your thing when it's ready.
[21:16] <kenrestivo> scripts that have "rough and ready" in their comments, run as root on my dev system, set up chroots, and write to block devices make me nervous.
[21:17] <shiftplusone> You'll have that from my thing too =P
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[21:20] <kenrestivo> hmm, well if it's straightforward enough that i can follow through all its steps in an hour of reading, maybe.
[21:20] <binaryhermit> ��/win 1
[21:21] <binaryhermit> err
[21:21] <shiftplusone> yeah, that part should be okay
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[21:30] <NedScott> anyone online right now that uses a GPIO TFT screen?
[21:31] <NedScott> I've got mine all set up again, but it defaults to portrait orientation and I'm not seeing anything about rotation on Notro's FBTFT documentation pages
[21:31] <NedScott> blah
[21:31] <NedScott> as soon as I wrote that, I found it :)
[21:31] <kenrestivo> hu, there's also this https://github.com/andrius/build-raspbian-image
[21:31] * XpineX (~XpineX@ Quit (Ping timeout: 255 seconds)
[21:33] <kenrestivo> i'm using fbtft with great results
[21:33] <kenrestivo> was a bit tricky to get set up. use xrandr to rotate i expect.
[21:33] <kenrestivo> the tricky bit was that fbtft defaults to a franky insane spi speed... had to back down to 6mhz max in order for it to work
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[21:56] <parco> are there any other embedded systems that can emulate better than rpi?
[21:57] * Sir_Pony (~rawr@2606:a000:b484:8500:8159:e7e1:6067:2927) has joined #raspberrypi
[21:58] <shiftplusone> parco: I'd be reluctant to recommend anything over the pi, but to be honest, the odroid c1 looks very good.
[22:01] <parco> ok ill look into it, i love the pi, but my super nintendo roms are laggy
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[22:07] <parco> shiftplusone: have you tried it?
[22:07] <shiftplusone> nope, I'm all about the pi
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[22:13] <parco> all about that bass
[22:13] <parco> no treble
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[22:26] <plugwash> The odriod C1 looks nice, wonder if it's actually shipping yet
[22:26] <Armand> Apparently so...
[22:27] <shiftplusone> yeah, people claim to have received theirs.
[22:27] * plugwash has learnt the hard way that the time between when a board is initially offered for sale and the time you can actually get one can be annoyingly long
[22:27] <Armand> I want to get 4 for a cluster.
[22:29] * plugwash has built up quite a collection of arm boards
[22:29] <parco> i'd like to see if anyone tried any emulators on it..
[22:30] <Armand> I want more.. The APM unit looks sexy as ....
[22:30] <parco> I just purchased one, 7 day lead time, 2-4 weeks shipping
[22:30] * RiXtEr (RiXtEr@unaffiliated/rixter) has joined #raspberrypi
[22:30] * ch007m (~chm@ip-83-134-181-207.dsl.scarlet.be) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[22:31] <plugwash> Armand, prohibitively expensive though
[22:32] <Armand> Rather
[22:32] <Armand> https://www.apm.com/products/data-center/x-gene-family/x-c1-development-kits/x-c1-development-kit-plus/
[22:32] * x1337807x (~x1337807x@207-170-205-178.static.twtelecom.net) has joined #raspberrypi
[22:32] <shiftplusone> O_O
[22:32] <shiftplusone> Why would anybody want that? O_O
[22:33] <Armand> ARMv8!
[22:33] <plugwash> mmm, the most expensive arm board in my collection was probablly the 2GB nitrogen6x (currently working as a raspbian jessie autobuilder) which I think cost about £300 total
[22:33] * Froolap (~Froolap@pool-96-254-39-246.tampfl.fios.verizon.net) Quit (Quit: KVIrc 4.0.2 Insomnia http://www.kvirc.net/)
[22:34] <Armand> 8x ARMv8, 16GB RAM, SATA, Gb LAN, XFI port..
[22:34] <Armand> It's a wee beasty. :D
[22:34] <shiftplusone> but... compared to a normal PC.....
[22:35] <Armand> I don't compare to normal PCs.
[22:35] <shiftplusone> Why not?
[22:35] <Armand> Different class.
[22:35] <plugwash> ok then, compare to supermicros low end intel based server boards
[22:35] <Armand> You wouldn't compare a Mazda MX-5 to a BMW M5.
[22:35] <shiftplusone> Seems to be the same class at that point... just overpriced. =/
[22:36] <Armand> plugwash, such as?
[22:36] <shiftplusone> I shouldn't say overpriced, since I'd like to see ARM do well and see Intel become a little less relevant, but still.
[22:37] <Armand> I'm really keen to see how it compares against our usual cluster servers, mostly Dell R620/R720... but comparing performance and power cost.
[22:38] * knob (~knob@ has joined #raspberrypi
[22:39] <plugwash> http://www.supermicro.nl/products/motherboard/Xeon/C220/X10SL7-F.cfm or so, LGA1155 board with dual gigabit ethernet, remote management, ECC support etc. priced arround $250
[22:41] <Armand> I wonder what the power requirements are.
[22:41] <Armand> Also, no XFI. :(
[22:42] <plugwash> XFI?
[22:42] <Armand> For a fibre transceiver.
[22:42] * ch007m (~chm@ip-83-134-181-207.dsl.scarlet.be) has joined #raspberrypi
[22:43] <Armand> Can do 10Gb on that puppy. ^_^
[22:44] * ch007m (~chm@ip-83-134-181-207.dsl.scarlet.be) Quit (Client Quit)
[22:46] <plugwash> hmm, /me thought the de-facto standard for 10 gigabit ethernet transcievers nowadays was SFP+
[22:48] * Keanu73 (~Keanu73@unaffiliated/keanu73) Quit (Quit: Leaving)
[22:49] <Armand> Dunno.. I leave that to the SysOps guys. :P
[22:52] <plugwash> 10 gigabit ethernet is a mess at the moment AIUI
[22:52] <plugwash> some gear has base-T ports and some has SFP+ ports and you can't easilly connect the two
[22:53] <Armand> Welp, the guys in SysOps insist that XFI is usable.
[22:53] * ashkanull (~ashkan@ Quit (Read error: Connection reset by peer)
[22:53] <plugwash> it probablly is, you probablly just end up having to go via fiber to use it
[22:54] * ashkanull (~ashkan@ has joined #raspberrypi
[22:54] <Armand> That's the idea
[22:56] <plugwash> Sure but if both ends have SFP+ module slots and the distance is short you can do away with the fiber and use a SFP+ direct attatch cable
[22:57] <Armand> I have no idea. It's all a bit beyond my experience.
[22:57] * vcolombo (~vcolombo@cip-248.trustwave.com) Quit ()
[22:57] <Armand> I've dealt with coax 10-base and RJ45/CAT5/6
[22:58] <Armand> Most I've done with fibre optics is whip someone. :P
[22:59] * keiko is now known as keiko_elsewhere
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[23:01] <plugwash> My gut feeling is that at the prices i've seen for arm server hardware so-far the savings on power are unlikely to outweigh the upfront costs
[23:01] <Armand> I'd be happy with one as proof of concept, then buy more when the prices come down.
[23:03] * Guegs (~Guegs___@207-47-171-38.sktn.hsdb.sasknet.sk.ca) Quit (Ping timeout: 258 seconds)
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[23:08] <e^ipi> s/when/if
[23:08] <e^ipi> intel has a *massive* economy of scale advantage
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[23:12] * schneekluth (~schneeklu@p3E9D0C63.dip0.t-ipconnect.de) Quit (Quit: schneekluth)
[23:13] * sphenxes (~sphenxes@91-119-228-33.dynamic.xdsl-line.inode.at) Quit (Remote host closed the connection)
[23:13] <Armand> e^ipi, you ever come across one of those situations where you just do something because you can.. ?
[23:14] * yano (~yano@osuosc/yano) has left #raspberrypi
[23:14] <e^ipi> yeah but not with work resources
[23:14] <e^ipi> because i enjoy continued employment
[23:16] * bdunlap (~pi@ has joined #raspberrypi
[23:17] <Armand> Not a factor. :)
[23:17] * Sir_Pony (~rawr@2606:a000:b484:8500:8159:e7e1:6067:2927) Quit (Quit: Leaving)
[23:18] <bdunlap> Anyone familiar with typical USB 3.0 portable HDDs using with RPi?
[23:19] <bdunlap> I tried my Buffalo 500gb drive but it spun up hard and then crashed down (like unplugged when in the middle of heavy transefer). Every 2 seconds that happened. I have RPi B+ with a 2A adapter taht came with a kit.
[23:19] <nefarious> I'm half convinced about buying a small ups for my pi; "just in case" (even though it probably isn't necessary). Has anyone bought one of these and could comment on it? http://www.piups.net
[23:21] <bdunlap> nefarious: I am not familiar with that but I only just discovered Pi less than a week ago.
[23:21] * TonyL (~Tony@unaffiliated/darkg) Quit (Max SendQ exceeded)
[23:22] <bdunlap> nefarious: do you know if plugging in a usb3 spinning hdd would use too much power with the Pi B+ with a 2A adapter, usb corded mouse and keyboard?
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[23:23] <bdunlap> i checked and it appears that drive uses at MOST 900mah
[23:23] <nefarious> I don't, no. Although you could try using a powered USB hub if you have one
[23:23] <bdunlap> i don't have one. well, i have a very old one but without a power cord, and it may not be even usb 2.0.
[23:24] <bdunlap> money is tight and i really cant afford to buy anything else that isn't necessary right now.
[23:24] <bdunlap> i have the drive plugged into my router, but xbcm/rasbmc/openwhatever are all VERY slow in accessing that drive. so it's pretty worthless right now to use the Pi as a media server/player.
[23:25] * nimoot (~HomoSapie@unaffiliated/toomin) Quit (Ping timeout: 256 seconds)
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[23:25] <bdunlap> Honestly, I'm just using it as a linux desktop right now. plugged into my living room TV. It works much better as a desktop than server.
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[23:27] <bdunlap> my goals are to start learning to program python and make it do some awesome things, but until then, it'll be a desktop and occasionally a media server.
[23:27] <e^ipi> Armand: honestly, unless you’re an operating system engineer or compiler engineer the machine architecture is more than irrelevant. It’s just going to end up being hastle to get things working, and when you do it’ll be exactly the same as writing C for x86
[23:28] <Armand> I don't code anything.. I just fix servers.
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[23:28] * proteusguy (~proteusgu@ppp-110-168-229-93.revip5.asianet.co.th) Quit (Ping timeout: 255 seconds)
[23:28] <Armand> I'm looking at it from a technician's perspective.. What can we do with this solution, and how does it compare to the current solution?
[23:29] <e^ipi> ok but from a technician perspective what you can do is pay more money, in order to have to pay your releng staff more to figure out how to get the thing running on a foreign platform, have fewer support options, and really gain nothing substantive
[23:30] <e^ipi> and as for energy savings, DC’s don’t charge for electricity, unfortunately.
[23:30] <Armand> I work for a hosting company, with our own DC..
[23:31] <e^ipi> that’s an atypical case, and even then switching to arm would cut off a lot of your customers that just want things to work
[23:31] <e^ipi> look at joyent, they have trouble attracting customers because stuff doesn’t “just work” on smartos
[23:34] <Armand> So, simply throwing together an R&D project 'because I can', really isn't worth doing for {unrelated_reason} ?
[23:34] <Armand> Cool.
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[23:35] <Armand> As an R&D project, clients won't even see it..
[23:35] <Armand> If we were to deploy it, it would be for those that understand that it's a test platform.
[23:36] <ShorTie> bdunlap, that usb drive should be fine with the high current hack of the B+
[23:36] * x1337807x (~x1337807x@207-170-205-178.static.twtelecom.net) has joined #raspberrypi
[23:37] <Armand> Our clients do expect things to "just work", yet some still choose to work with ASP. �_�
[23:37] <bdunlap> ShorTie: I thought it should be, too, but it did some scary stuff when I plugged it in and it wouldnt' quit after a few seconds. I had to unplug it. I did remove the wifi dongle that was originally in the Pi and plugged in a basic corded mouse. Removed the wifi dongle. Still did it each time I tried. I even shut down. plugged it in. freshly booted. same issues.
[23:37] <ShorTie> without hack, usb current is limited to 600ma
[23:38] <bdunlap> *wifi dongle for mouse* then wifi network dongle.
[23:38] <bdunlap> ShorTie: hmm ill have to re-check the specs for that drive but i think it was 400-900mah. it's a usb 3.0 spinning drive, not SSD
[23:39] <ShorTie> here, do these 2 lines and then reboot
[23:39] <ShorTie> echo "safe_mode_gpio=4" >> /boot/config.txt
[23:39] <ShorTie> echo "max_usb_current=1" >> /boot/config.txt
[23:39] <ShorTie> then you will have access to the full usb current
[23:41] <ShorTie> usb 3.0 does not matter, pi is usb 2.0
[23:41] <bdunlap> ShorTie: that's odd. from within raspbian it isn't allowing me to do that.
[23:41] <ShorTie> but the limited power is what made it act funky
[23:41] <ShorTie> put a sudo in front
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[23:42] <ShorTie> sorry, i play at root always
[23:42] * ShorTie adds it to his notes
[23:42] <bdunlap> no it's ok, i used sudo but i had nano open in ssh on my computer
[23:43] <bdunlap> yeah still permission denied. hmm odd.
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[23:45] <bdunlap> ok I did it via SSH via nano. bbs rebooting. thanks!
[23:45] <ShorTie> either do it manually or do 'sudo su' and then do them
[23:46] <bdunlap> ok maybe sudo su will work. not sure. bbs
[23:46] * bdunlap (~pi@ Quit (Quit: Lost terminal)
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[23:51] * keiko_elsewhere is now known as keiko
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[23:56] * djhworld (~djhworld@ Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[23:57] * ashkanull (~ashkan@ Quit (Ping timeout: 255 seconds)
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[23:57] * bdunlap (~pi@ has joined #raspberrypi
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[23:58] <bdunlap> Success. No more HDD weirdness!
[23:58] * Macuser (~textual@unaffiliated/macuser) Quit (Max SendQ exceeded)
[23:59] <ShorTie> :)~
[23:59] <bdunlap> Thank you, ShorTie!!
[23:59] <ShorTie> No Problem
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