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Paul MaudDib posted:Yeah, I mean why would you not just buy the right hardware here? Are you really hard-up for rack space or something? Particularly something that will be used by lots of people. The age old issue is that these are customers, and don't want to spend money. Some of our customers are reasonable people, but most are of the mindset that states "what we have is working fine, why do we need to spend £100 on a new router?" to which my answer of "I can fix your issues quicker" doesn't always convince them to put their hand in their pocket and spend. But my department budget would cover £25 for a Pi and my time to fit it. They get charged for my time no matter how I end up looking at their issues, but VPN would make my life easier 
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Jun 10, 2016 16:47
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spiny posted:The age old issue is that these are customers, and don't want to spend money. Tell them "you wouldn't be calling me if everything was working fine".
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Jun 10, 2016 18:08
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I found yet another cool use for the Pi yesterday: Steam Link. If you use Steam on your PC and have an Nvidia 700 series and above GPU (some 600 series are also supported) you can play games in another room on your TV. I used this guide http://www.howtogeek.com/220969/turn-a-raspberry-pi-into-a-steam-machine-with-moonlight/ and was surprised when everything ran perfectly on first run without even having to tinker with display modes. It's not exactly a new thing, but heads up to anyone who might get some mileage out of it.
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Jun 14, 2016 07:01
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yo I'm trying to set up a raspberry pi 2 running raspbian for a work thing and I can't get ethernet to work. /etc/networking/interface looks like this: code:But "ping google.com" just returns "unknown host". If I plug the same ethernet cable into a debian thinkpad everything configures itself automagically and I can connect to the internet fine. Any thoughts? Does the PI need a static IP? e: oh according to this I shouldn't even be changing /etc/networking/interface any more: http://raspberrypi.stackexchange.com/questions/37920/how-do-i-set-up-networking-wifi-static-ip It says "If you are using an Ethernet connection with a router there should be no configuration required and it should work out of the box." So I've restored the default /etc/networking/interfaces file and rebooted, but still no joy. fuf fucked around with this message at 15:00 on Jun 16, 2016 |
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Jun 16, 2016 14:33
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fuf posted:yo I'm trying to set up a raspberry pi 2 running raspbian for a work thing and I can't get ethernet to work. what does your route table show? what is your DNS set to? Try dns as 8.8.8.8 or if you are on a home network try putting the DNS and default route to your home router.
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Jun 16, 2016 15:04
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fuf posted:yo I'm trying to set up a raspberry pi 2 running raspbian for a work thing and I can't get ethernet to work. The interfaces file might need to have the line auto lo eth0 Of course assuming the device is eth0 in the first place, which you can't assume nowadays. What devices does ifconfig or 'ip addr' show?
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Jun 16, 2016 17:48
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Thanks both. Specifying the DNS servers fixed the issue New issue: I'm trying to get the Pi to launch Chromium in kiosk mode on boot. I found this guide: https://www.danpurdy.co.uk/web-development/raspberry-pi-kiosk-screen-tutorial/ He puts this line in /etc/xdg/lxsession/LXDE/autostart: code:code:I also added the line to /etc/xdg/lxsession/LXDE-pi/autostart But it doesn't work - I reboot and it goes straight to desktop without launching chromium. Any ideas? Is that autostart file the right place to be adding commands to execute on boot? e: I can't edit out those dumb [url] tags e2: Ok putting the line in ~/.config/lxsession/LXDE/autostart instead seems to work fuf fucked around with this message at 16:21 on Jun 24, 2016 |
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Jun 24, 2016 14:41
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DeaconBlues posted:I found yet another cool use for the Pi yesterday: Steam Link. Yep, I've been doing this for some time now. It's great! 360 controllers work well with the xpad driver. My home network is fully wired so there's zero lag on controller inputs. My big-screen TV adds a tiny amount of display lag which I'm extra-sensitive to because I play too many rhythm games. The only issue is the 360 wireless controller LED keeps blinking instead of turning a solid color, which isn't a deal-killer but can be a little distracting sometimes. I think there's a modification you can make to the driver, but I haven't bothered to try it yet. I'd like to pick up a wireless keyboard/mouse combo for it eventually so I can play more than controller-based games. But figuring out how to use a stable KM/mouse from the couch is tricky. There's a lot of things I still want to try on the Pi but haven't gotten around to yet. fuf posted:Thanks both. Specifying the DNS servers fixed the issue I had a similar issue when I was setting up Pi displays in the office. Older Raspbian builds for earlier Pi models seem to use a slightly different config for LXDE. You already figured it out though. DizzyBum fucked around with this message at 20:19 on Jun 29, 2016 |
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Jun 29, 2016 20:17
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I picked up an rpi3 this week and it's amazing what this cheap little thing can do. I put retropie on it and I've got tons of emulators and kodi on it. Everything I did with my Mac mini and Apple TV I can do with this $60 purchase. (Note, not everything I COULD do with the Mac mini and Apple TV, but everything I DID do)
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Jun 30, 2016 04:06
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DizzyBum posted:I'd like to pick up a wireless keyboard/mouse combo for it eventually so I can play more than controller-based games. But figuring out how to use a stable KM/mouse from the couch is tricky. Maybe Corsair Lapdog is what you want.
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Jun 30, 2016 06:33
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I found that for couch gaming, a wireless keyboard and a large flexible mousepad (Steelseries makes a good one) on top of a relatively flat, dense pillow on the seat next to you works well. Depending on the shape of said couch you might find that a mousepad on the armrest would work too.
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Jun 30, 2016 17:54
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Bed food tray could also work well if you find a wide enough one.
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Jun 30, 2016 23:03
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I got a notice that my CHIPs shipped. Has anyone gotten theirs yet? Impressions?
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Jul 1, 2016 22:03
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I've played with a Pocket CHIP (the screen, keyboard, and chip handheld) and it's really cool. I have just a standalone CHIP and I really haven't used it much compared to the Pi, etc. It's kind of a pain to get setup since it has no network ports, etc. Mine also came shipped with no OS loaded so it was really a royal pain to get setup (use their chrome app to load an OS image on it). It also is _very_ temperamental about power and if you connect just one or two USB devices it won't even boot. For a standalone dev board stick with the Pi IMHO, but for a cool Linux handheld Pocket CHIP looks great.
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Jul 1, 2016 22:45
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Yeah, you really need a backup battery for the CHIP to keep its power even. That said, PS3 Controller batteries will work if you reverse the polarity on the connector. Once I had a battery, a Powered USB hub worked to both provide power for the CHIP and give it three USB outs instead of one. That said, the only thing I'm really using it for is to run hourly internet speed tests and and let IFTTT's Maker Channel push the results to a Google Sheet. Haven't tried a Raspberry PI for comparison.. I initially tried to find a good case for it. Ultimately what I wound up doing was keeping it in the box it came in. I cut a rectangular hole in the back of the box to let the cables out, and padded the sides with pieces of foamboard. Works fairly well.
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Jul 2, 2016 01:44
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So I got given a 2-pin fan meant for use with a Raspberry Pi 2 in a case, but no instructions on how to install it. What's the best way to power it from the Pi's own pins, or failing that a good thing to use to power it externally - preferably from USB?
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Jul 2, 2016 01:52
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fishmech posted:So I got given a 2-pin fan meant for use with a Raspberry Pi 2 in a case, but no instructions on how to install it. What's the best way to power it from the Pi's own pins, or failing that a good thing to use to power it externally - preferably from USB? Most of the fans meant for raspberry pis I've seen are just 12v fans you run off of the 5v pins and they just run slower. I think pins 4 and 6 are the most commonly used for that:  I was considering buying this case before and the images include one showing the fan on those pins so it seems right: https://www.amazon.com/dp/B012GPCLR6/ If you'd rather use USB you can butcher a cable or whatever: 
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Jul 2, 2016 04:48
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Rexxed posted:Most of the fans meant for raspberry pis I've seen are just 12v fans you run off of the 5v pins and they just run slower. I think pins 4 and 6 are the most commonly used for that: Thanks for that! So there's nothing to worry about the fan drawing too much power or anything like that? (I've got the system on a nice 2.1 amp USB adapter).
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Jul 2, 2016 13:41
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Somewhere on the fan there should be a print how many amps it needs, if not then what voltage it is and how many watts it consumes. Then you would only have to calculate Watts / Voltage to get the amps. USB 2.0 is specced for 0.5 Amps or 500 mA maximum at 5V, although the Pi can apparently supply past that on it's ports. No idea what the Pi's GPIO header is specced to deliver at maximum but you can probably google it easily. If it's a very small fan it's probably a 5V fan to begin with, there's a good chance a 12V fan won't be able to start with 5V. (although some can)
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Jul 2, 2016 16:49
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Yeah, good manufacturers also have detailed spec sheets on their websites. Taking a Noctua 80mm as an example, it allows input voltage from 4-13V and uses 1.32W/0.11A at maximum. If we assume that the current holds constant when dropping voltage - I would expect it to go down just a bit since this isn't a purely resistive load, but not sure - then something like this would probably not even be noticeable unless your Pi is already about to brownout.
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Jul 2, 2016 17:39
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Police Automaton posted:Somewhere on the fan there should be a print how many amps it needs, if not then what voltage it is and how many watts it consumes. Then you would only have to calculate Watts / Voltage to get the amps. USB 2.0 is specced for 0.5 Amps or 500 mA maximum at 5V, although the Pi can apparently supply past that on it's ports. No idea what the Pi's GPIO header is specced to deliver at maximum but you can probably google it easily. If it's a very small fan it's probably a 5V fan to begin with, there's a good chance a 12V fan won't be able to start with 5V. (although some can) There's nothing printed on the fan, but It's from this kit: http://www.eeekit.com/3in1-starter-kit-for-raspberry-pi-3-model-b-board/ which claims the fan is 5V 0.2 amp. so that should be fine?
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Jul 2, 2016 17:50
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It's a bigass assumption but I'm just going to assume the fan is some +5V noname 40x40x10mm china deal if it came with a Pi case.  Blacknoise makes very nice tiny fans (Noiseblocker series) if you wanna get air out of cramped spaces, they are expensive for their size though. The nicest fans besides that are from Noctua and Papst imho. I use them everywhere because life is too short to be annoyed by noisy fans that also fail eventually, because good quality fans also have a *very* long life. That also means you can save a lot of money on them if you buy them used, because people don't like buying used fans because of their experiences with low quality fans. But enough about that.If you don't plan to overclock the Pi 2 you don't need a fan IMHO. Mine is in a case with no holes besides those for the ports and the temperature is nowhere near critical, even under load. EDIT: fishmech posted:There's nothing printed on the fan, but It's from this kit: http://www.eeekit.com/3in1-starter-kit-for-raspberry-pi-3-model-b-board/ which claims the fan is 5V 0.2 amp. so that should be fine? Yes it should (even from the GPIO pins) but seriously with that case I'd just skip on the fan, there's nothing even covering the parts that get hot so I'd say it's not needed at all. (if it doesn't keep the case together or something and if you don't overclock and even then really, or you have crazy ambient temperatures, don't know about that) Police Automaton fucked around with this message at 18:03 on Jul 2, 2016 |
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Jul 2, 2016 17:54
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The place it's currently located gets pretty hot since it's right between an older HDTV, a console, and a router. The device is overclocked and has had some issues running intense programs - plus the fan and such were free. Sounds like it'll be good then!
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Jul 2, 2016 18:32
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What would I need to turn a Pi B into a Wireless Access Point - not a wifi extender or repeater, but offering its own network? I want to install the camera add on and offer the feed via a local network IP, but this is going to be out in the field and nowhere near another network. This way I'd be able to connect to the wifi via phone and display the video in a browser. Pending that the Pi camera can expose a stream that'll work in browser via HTML5 or something.
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Jul 4, 2016 00:39
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You want hostapd, it's software that can work with most WiFi adapters to turn them into an access point. Along with hostapd you'll probably want something like dnsmasq which provides DHCP, DNS, etc. without a ton of crazy setup--basically this does all the extra stuff your router normally does beyond just creating a wireless AP. Check out something like this: https://frillip.com/using-your-raspberry-pi-3-as-a-wifi-access-point-with-hostapd/
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Jul 4, 2016 00:45
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Slick, thanks. Looks like there's a half dozen ways to offer a stream from the camera and view it in a mobile browser, so I've got a new project!
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Jul 4, 2016 00:49
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Oh and I just remembered I heard about an interesting project recently that might help, it's a web GUI for setting up and automating a lot of the hostapd, etc. setup. Check it out here: https://github.com/billz/raspap-webgui
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Jul 4, 2016 00:55
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I've heard good things about MotionPi, a readymade security camera distro. It might be a good start you can add your wifi AP stuff on top of.
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Jul 4, 2016 02:29
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Has anyone used Pi-hole, the ad-blocking service for RPi? It seems really bloated for something that's just redirecting DNS. I'm going through the source now but my main concern was that it would mess with other things like openvpn if it made changes to firewall/routing settings.
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Jul 6, 2016 18:57
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I have it running on an old model B, works really well I think it's really supposed to be run on its own with nothing else on the pi, that's why it's good for sticking on an old one you have knocking around then forgetting about
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Jul 7, 2016 08:45
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It works okay. A better option is running pf Sense on an old laptop and using the pfBlockerNG plugin. Same goal, more reliable hardware (including baked in UPS). Wireless support in pfSense is piss poor, so you'll probably need an access point.
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Jul 7, 2016 13:39
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DeaconBlues posted:I found yet another cool use for the Pi yesterday: Steam Link. I have a Pi, but it's dedicated as a Kodi media center. I read it's not normal to use a Pi for more than one primary application?
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Jul 7, 2016 13:51
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PBCrunch posted:It works okay. A better option is running pf Sense on an old laptop and using the pfBlockerNG plugin. Same goal, more reliable hardware (including baked in UPS). that sounds like a silly overkill solution in the raspberry pi thread but whatever dude
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Jul 7, 2016 13:53
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Skarsnik posted:that sounds like a silly overkill solution in the raspberry pi thread but whatever dude My personal experience with the "reliability" of Raspberry Pis and their microSD cards is that the only reason to use a RasPi for anything is if you need GPIO capabilities. The Pi Foundation cant's switch to USB3 and eMMC or SATA for storage soon enough.
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Jul 7, 2016 14:11
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Its still a full blown firewall that would take god knows how long to configure vs a single line install that does the one job it's designed to do well. You can even power it straight off the usb port of a router I'm not sure what you are doing to pi's if you find them unreliable, and this isnt exactly a taxing task. It would run on a zero fine
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Jul 7, 2016 14:22
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Skarsnik posted:You can even power it straight off the usb port of a router That is goddamn brilliant. E: I'm looking to get an rpi to drive my Apple TV via impersonation of a Bluetooth keyboard, my TV via some gross REST protocol, and failing that via IR. I'd like it to be USB powered, and I'm not sure what I need in terms of GPIO to do wifi + Bluetooth + IR emitter. I'm a bit lost in all the variants available. Subjunctive fucked around with this message at 14:44 on Jul 7, 2016 |
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Jul 7, 2016 14:36
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Skarsnik posted:I'm not sure what you are doing to pi's if you find them unreliable, and this isnt exactly a taxing task. It would run on a zero fine Pis have a massive problem with SD card corruption. SD cards aren't meant for heavy random writes (like running an OS) and their controllers don't handle it well, they will burn out the flash cells. Also, the Pi is very sensitive to its power supply, and iffy power supplies tend to have voltage droop/brownout that causes flash cell damage and/or heavy corruption. And finally, the models that take full-size SD cards tend to suffer from the cards or microSD adapters warping and the pins losing contact with the socket. Those sockets are designed to be embedded in something, not have the card hanging off into space. The SD card is without a doubt the biggest outright design flaw in the Pi. USB-as-system-bus is also a bad design but at least that was intentional. You can kinda fix it with a bunch of convoluted workarounds but it's just not worth it compared to buying hardware that's not faulty in the first place. The easy fix is to put some eMMC on there like the clones, but that might make it cost $2 more per unit and they have to keep that sweet marketing going regardless of their product's quality or reliability. Paul MaudDib fucked around with this message at 15:04 on Jul 7, 2016 |
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Jul 7, 2016 14:55
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Paul MaudDib posted:The easy fix is to put some eMMC on there like the clones, but that might make it cost $2 more per unit and they have to keep that sweet marketing going regardless of their product's quality or reliability. Would an eMMC/SD adapter alleviate this? You wouldn't maybe get the full perf, but you'd get the storage lifecycle behaviour.
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Jul 7, 2016 15:04
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Subjunctive posted:Would an eMMC/SD adapter alleviate this? You wouldn't maybe get the full perf, but you'd get the storage lifecycle behaviour. Sounds like it would fix the write wear, but I don't know what those look like in physical terms, so I don't know if it would fix the warping problem. The best overall fix is to get a "low profile" microSD-to-SD adapter that doesn't hang off into space. Then you make it read only and bounce to a root filesystem on another device ASAP after bootstrapping. But again, all of this begs the question of why you aren't just getting one of the clones and getting onboard eMMC, a real SATA channel, USB 3.0, etc. A $60-70 device that comes with an adapter that just works and onboard eMMC offers a very similar total cost of ownership to the RPi and is just going to be a nicer device.
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Jul 7, 2016 15:11
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Paul MaudDib posted:But again, all of this begs the question of why you aren't just getting one of the clones and getting onboard eMMC, a real SATA channel, USB 3.0, etc. A $60-70 device that comes with an adapter that just works and onboard eMMC offers a very similar total cost of ownership to the RPi and is just going to be a nicer device. Point me to such a clone? Especially if it has wifi and BT.
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Jul 7, 2016 15:14
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