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PBCrunch posted:The story of Raspberry Pi. No argument from me on the spoiler. Tried with a flash drive and the speed was abhorrent, like running a DOS machine from floppies. Used an external SSD for a bit, but it was so power-hungry I basically couldn’t use any other peripherals besides a Logitech mouse/keyboard. SD cards are hinky and weird, but they’re the lowest hassle option for the platform. Still not a fan.
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Feb 3, 2022 16:58
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I am a big fan of PXE booting them. If you have a NAS that does NFS it is pretty slick. Needs a cabled connection though, but if you can, I highly recommend it.
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Feb 3, 2022 17:27
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My pi projects are typically "remote computing off the grid" type solutions so it's a lot of battery power and worrying what I do if the pi shreds it's SD card because the battery died and it had an unclean shutdown. I've been lucky so far, but someday it's gonna bite me and I need to come up with a way to reimage a card (along with my code) in the middle of nowhere. Or carry a backup SD card.
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Feb 3, 2022 17:31
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xzzy posted:My pi projects are typically "remote computing off the grid" type solutions so it's a lot of battery power and worrying what I do if the pi shreds it's SD card because the battery died and it had an unclean shutdown. This is my hobby, although it's just at home. But doing things low-power turns up the difficulty setting until it's a game I want to play. I'm personally really looking forward to a production release of Flatcar for the RPi: the bulk of the OS is on a read-only mount that power outages won't disturb. Then it should be pretty easy to back up the read/write parts, because they're isolated, without chewing up a ton of backup space. In my situation, everything is deployed as a docker swarm, so I'd just redeploy it if I ever had to rebuild the r/w partition.
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Feb 3, 2022 17:34
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Mr Shiny Pants posted:I am a big fan of PXE booting them. If you have a NAS that does NFS it is pretty slick. Needs a cabled connection though, but if you can, I highly recommend it. I am going to try to figure this out, I think probably using the netboot.xyz container on my unraid machine. Maybe something to do if I'm bored on the weekend.
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Feb 4, 2022 02:32
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I run flatcar on my NUC, having it on the pi will be pretty epic. Everything in containers! 
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Feb 4, 2022 02:39
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xzzy posted:I've been lucky so far, but someday it's gonna bite me and I need to come up with a way to reimage a card (along with my code) in the middle of nowhere. Or carry a backup SD card. Probably the main reason Pis still use SD cards is they're very cheap and easily replaceable, so... yeah?
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Feb 4, 2022 04:03
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I have somehow accumulated multiple 64gb microSD cards I'm doing nothing with and I don't know where half of them came from.
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Feb 4, 2022 04:51
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priznat posted:I am going to try to figure this out, I think probably using the netboot.xyz container on my unraid machine. Maybe something to do if I'm bored on the weekend. Good timing in your part, this popped up today: https://youtu.be/PUfWcTXH__E
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Feb 4, 2022 06:58
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Awesome! Thanks for posting that.
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Feb 4, 2022 09:34
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Klyith posted:Probably the main reason Pis still use SD cards is they're very cheap and easily replaceable, so... yeah?
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Feb 4, 2022 15:33
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Warbird posted:Good timing in your part, this popped up today: https://youtu.be/PUfWcTXH__E This is perfect. I'm going to be putting together a project and was trying to figure out how to prevent any kind of issues with SD cards.
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Feb 4, 2022 16:24
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Sd cards in pi are a non issue if you use good quality cards and not SanDisk ones off amazon
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Feb 5, 2022 09:18
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Skarsnik posted:Sd cards in pi are a non issue if you use good quality cards and not SanDisk ones off amazon
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Feb 5, 2022 14:37
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Skarsnik posted:Sd cards in pi are a non issue if you use good quality cards and not SanDisk ones off amazon So what good quality cards would you recommend?
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Feb 5, 2022 14:55
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Skarsnik posted:Sd cards in pi are a non issue if you use good quality cards and not SanDisk ones off amazon Corruption from power loss is an inherent problem with flash memory. An incomplete write or erase can corrupt the data or actually damage the flash cells making them permanently unreliable (possibly in ways that the controller can't detect). SSDs include a bunch of capacitors to avoid this. SD cards don't have any space for them. Normal "good quality" cards are no help. If you go buy a SLC SD card it may help -- SLC is more resilient to damage and completes operations faster. But lammo at those prices.
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Feb 5, 2022 15:23
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Wibla posted:So what good quality cards would you recommend? SanDisk is a good brand, but Amazon is unwilling to ensure you don't get a counterfeit. I don't know of a good solution for getting around that, except maybe buying in a local store. I will say the build quality on their full size cards have gone down. I've got some that were shedding plastic bits after a couple years of use in cameras. But my super old 16gb full size cards still look new. Data wise though, I've never had corruption from them.
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Feb 5, 2022 16:13
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It doesn't solve the problem completely, but running log2ram should cut down your writes by a good 90 % or so (counting over time), lessening the chance of corrupted data by sudden power loss. Combine a sensible logrotate policy and it really doesn't mean much for RAM usage either.
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Feb 5, 2022 20:58
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Wibla posted:So what good quality cards would you recommend? I've never gone wrong with Samsung, bought direct from their store Multiple pi over many many years getting the power yanked pretty regularly log2ram is a very good script to use too ^
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Feb 5, 2022 23:02
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xzzy posted:I've been lucky so far, but someday it's gonna bite me and I need to come up with a way to reimage a card (along with my code) in the middle of nowhere. Or carry a backup SD card.
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Feb 6, 2022 01:09
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evil_bunnY posted:You flash 2 cards and you tape the backup to the case. This is good advice and has saved me trouble 2 times..
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Feb 6, 2022 02:48
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microSD cards and their associated sockets also have a tendency to gently caress up when exposed to vibration.
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Feb 7, 2022 22:45
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Gallatin posted:This is good advice and has saved me trouble 2 times..
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Feb 8, 2022 00:22
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The Pi Foundation released a new experimental bootloader that lets Raspberry Pi 4-based models boot and then download and write a bootable microSD card. Kind of like a Mac.
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Feb 9, 2022 18:00
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It's a cool new feature and looks easy to get going (lots of steps, but they aren't complicated) but for more power user types it's probably better to flash a pxeboot/ipxe firmware to the pi and set up a traditional dhcp based provisioning system.. it'll give you way more control over the install process.
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Feb 9, 2022 18:47
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Does anyone have any recommendations for a handheld retropie kit? With all the new games coming out, my husband and I have been fighting over the TV, and I figured I may as well just turn my raspberry pi into a handheld emulator to stave off some of that. I have the Pi 4 and I was hoping to find something that's more horizontally shaped like a Switch or a PS Vita than vertically like a gameboy (it's easier on my hands). Most of the stuff I'm seeing either includes the Pi with the case, has like a 3" screen, or are just plans for 3D printed cases and I don't have a 3D printer. I mean worst case scenario I can just get a freestanding screen and have a mini console, but I was really wanting something more portable.
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Feb 13, 2022 17:39
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Honestly I’d recommend just getting an Ambernic handheld or the like as it’s going to be purpose built, better quality, and likely cheaper than trying to roll your own handheld RP solution. It’s also Linux base so it’s running the same software by and large.
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Feb 13, 2022 17:54
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Saw the BliKVM video on Geerling’s video feed, and that is perfect for using as lab host controllers. Does anyone know if pikvm install supports containers? I would run that for test scripts. Seems like the hardest part will be finding a compute module though.
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Feb 16, 2022 17:17
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Soysaucebeast posted:Does anyone have any recommendations for a handheld retropie kit? With all the new games coming out, my husband and I have been fighting over the TV, and I figured I may as well just turn my raspberry pi into a handheld emulator to stave off some of that. I have the Pi 4 and I was hoping to find something that's more horizontally shaped like a Switch or a PS Vita than vertically like a gameboy (it's easier on my hands). Most of the stuff I'm seeing either includes the Pi with the case, has like a 3" screen, or are just plans for 3D printed cases and I don't have a 3D printer. This is a couple months out and pricey but I think it looks awesome. https://experimentalpi.com/PiBoy-XRS--Kit_p_59.html
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Feb 20, 2022 04:11
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i want to do some low latency video streaming via ethernet on a pi. i also want to be able to draw text and maybe some static images on the video stream. there appears to be a lot of ways to do this, from streaming to a local web page to using gstreamer and/or VLC. anyone have any experience and or recommendations for how to do this?
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Feb 27, 2022 11:11
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I think my 4GB Pi 4 just died. Yesterday I turned it on, it obediently booted right into PiOS, and right after getting to the desktop the video suddenly went black and showed a random distribution of white blinking pixels, almost like an old low effort screensaver. I turned it off, turned it back on, and then it booted back into PiOS, but now it doesn’t appear to accept any USB input. I’ve tried my usual USB devices and a Logitech wireless keyboard/trackpad, and paved over the old OS outright, and nothing seems to make a difference. Anyone have experience with something like this?
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Feb 27, 2022 15:13
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Hasturtium posted:I think my 4GB Pi 4 just died. Yesterday I turned it on, it obediently booted right into PiOS, and right after getting to the desktop the video suddenly went black and showed a random distribution of white blinking pixels, almost like an old low effort screensaver. I turned it off, turned it back on, and then it booted back into PiOS, but now it doesn’t appear to accept any USB input. I’ve tried my usual USB devices and a Logitech wireless keyboard/trackpad, and paved over the old OS outright, and nothing seems to make a difference. Anyone have experience with something like this? Leave it off for a few days, that sounds like a blown polyfuse. I can't remember if the bluetooth chip has a separate fuse in Pi4.
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Feb 27, 2022 15:37
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I have a project that I'm working on to stick a raspberry pi into an old mac classic (not the color one) case (the motherboard was eaten by the battery long before I got it) to actually use the little CRT inside of it but apparently the pi3 can't do the proper video timings over it's DPI mode but the 4 can so I went online to get one and discover that, like everything else, there's a loving shortage and the only people buying these things are scalping them. I know that these guys tend to get left on a shelf or tucked into a drawer so I'm wondering if any of you guys here have a pi4 just lying unused that you'd be willing to let go for MSRP+shipping to Boston? (all the ones on ebay/facebook/craigslist are like $100+ and it's not worth it to me to pay that much for this project and I don't want to reward the scalpers) I've already built a little ADB->USB device to use the old keyboard and mouse and video is basically all I have left and I really don't want to go down the route of sticking an LCD in here. GutBomb fucked around with this message at 14:49 on Mar 14, 2022 |
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Mar 14, 2022 14:46
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Have any goons tried to get flatcar container linux running on their Pi? If not, I may be the first in a week or so here.
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Mar 15, 2022 01:00
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GutBomb posted:I have a project that I'm working on to stick a raspberry pi into an old mac classic (not the color one) case (the motherboard was eaten by the battery long before I got it) to actually use the little CRT inside of it but apparently the pi3 can't do the proper video timings over it's DPI mode but the 4 can so I went online to get one and discover that, like everything else, there's a loving shortage and the only people buying these things are scalping them. I know that these guys tend to get left on a shelf or tucked into a drawer so I'm wondering if any of you guys here have a pi4 just lying unused that you'd be willing to let go for MSRP+shipping to Boston? (all the ones on ebay/facebook/craigslist are like $100+ and it's not worth it to me to pay that much for this project and I don't want to reward the scalpers) Do you have a source for how to interface the Rpi 4’s video to the Mac’s LCD? I have a dead Classic the I robbed for mobo parts to fix my other one and this sounds like a cool project.
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Mar 15, 2022 12:43
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JnnyThndrs posted:Do you have a source for how to interface the Rpi 4’s video to the Mac’s LCD? I have a dead Classic the I robbed for mobo parts to fix my other one and this sounds like a cool project. This is what I was using for the CRT stuff. https://nerdhut.de/2020/03/17/raspberry-pi-dpi-control-crt
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Mar 15, 2022 12:55
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GutBomb posted:I have a project that I'm working on to stick a raspberry pi into an old mac classic (not the color one) case (the motherboard was eaten by the battery long before I got it) to actually use the little CRT inside of it but apparently the pi3 can't do the proper video timings over it's DPI mode but the 4 can so I went online to get one and discover that, like everything else, there's a loving shortage and the only people buying these things are scalping them. I know that these guys tend to get left on a shelf or tucked into a drawer so I'm wondering if any of you guys here have a pi4 just lying unused that you'd be willing to let go for MSRP+shipping to Boston? (all the ones on ebay/facebook/craigslist are like $100+ and it's not worth it to me to pay that much for this project and I don't want to reward the scalpers) I’ve got one in a drawer but need to fire it up and see if the self-healing fuse on the USB ports recovered after they stopped working one day. Either way, I’m not doing much with it and would throw in a nice power supply and a case I purchased for it. PM me if you can; otherwise reply here and I’ll give you an email address. We’ll take it from there.
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Mar 15, 2022 13:05
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GutBomb posted:This is what I was using for the CRT stuff. Thanks, this looks quite interesting.
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Mar 15, 2022 18:20
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GutBomb posted:This is what I was using for the CRT stuff.
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Mar 15, 2022 19:11
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KOTEX GOD OF BLOOD posted:I have no personal interest in doing this but have to say, it's super cool I mean, when it's done I'm probably gonna play dark castle for 5 minutes and maybe post a tweet and then it's just gonna sit on the desk either turned off or running afterdark until I get a real classic or classic II motherboard. The journey is the fun part. Once it's done I'll lose interest.
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Mar 15, 2022 19:30
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