Raspberry Pi Stack Exchange
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1500 questions
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3 answers

Switch out the X1 Oscillator on a RPI 2/3

Just like a lot of people I'm using a RPi as a NTP server (more info about the basic setup here: https://framkant.org/2017/03/stratum-1-ntp-server-with-freebsd-on-raspberry-pi/) I have found that the stability is really bad and it's especially…
Peter
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I2S DAC device support (kernel drivers?) and noise ("pop", "crackle") on playback

I am trying a Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit, which is built around two MAX98357 (datasheet: adafruit, maxim), on a Raspberry Pi Zero W with Raspbian Stretch (upgraded yesterday). The trouble is that I have "pops"…
handle
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How does Pi keep track of time interval?

As I understand RTC is needed to keep track of time. However, Raspberry Pi does not have that and use NTP servers to synchronize its time. All that is fine, but how does Pi know that one millisecond or one second has elapsed. How is Pi aware of the…
AppleGrew
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Raspberry Pi Custom SSH/Normal Login Message

I am currently using Raspbian Stretch Lite and would like to know how, if possible, I could make custom login messages. e.g Currently, I get this: Linux RPi 4.9.41-v7+ #1023 SMP Tue Aug 8 16:00:15 BST 2017 armv7l The programs included with the…
Sam Berry
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4 answers

Can the raspberry boot to an LVM root partition?

Before I start, I will say I have posted this on the Rpi forum as well. I don't normally cross-post but, having tried there and got nothing, I've come to my preferred knowledge centre. I'm just looking into orgainsing a Pi with a big disk and plan…
starfry
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9
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5 answers

Raspberry Pi Live Boot or Read Only Distro?

Is there any Raspberry Pi Live Boot or Read Only Distros available? I was wondering, since the EE stack exchange normally gets some questions regarding safe power disconnect on the RPi, if such a distro existed. There are many Linux distros that…
cde
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2 answers

how to disable raspberry pi power management?

I am using my raspberry pi as a headless server. The problem is that after a couple of hours of inactivity it seems to enter a power suspend state where it disappears from the web and refuses ssh connections. After having prodded it via ssh it comes…
Kenneth
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How do I set Raspbian to use the primary time server time.nist.gov?

I have several Rpi3s running Raspbian. They collect data and I use FileZilla to copy data from one to another. Ideally, I am only copying files that have changes or are new. FileZilla can be installed on a PC at FileZilla download…
SDsolar
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How to set keyboard shortcuts

How do I setup a keyboard shortcut to run xscreensaver-command -lock when I press ctrl+alt+l? I've had a look at Raspbian keyboard shortcuts, but that talks about finding the keyboard shortcuts, not setting them.
user67191
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2 answers

How do I install the drivers for a WiFi dongle with the RealTek 8812AU chipset on Raspbian?

I have recently purchased an Edimax EW7811UTC AC WiFi adapter for use with my Raspberry Pi 3b running Raspbian Jessie with Pixel desktop. This WiFi dongle uses the rtl8812au chipset and the driver for this chipset is not included in Raspbian…
Zimano
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9
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3 answers

Installing Bluez 5.44 onto Raspbian?

Has anyone been able to successfully install Bluez 5.44 onto Raspbian? I'd like to use this on both a Raspi 3 and a Raspi Zero W. I've followed numerous different guides but they all install Bluez versions earlier than 5.44. I'm not able to follow…
rityzmon
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1 answer

What is the 3.5mm port standard in RPi3?

What is the 3.5mm port standard in Raspberry Pi 3? Is it CTIA or OMTP or any other standard? Mainly I want to know, which one is grounded? Say, tip ring ring sleeve = <1 2 3 4> respectively.
Dr.PB
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Unable to configure a Raspberry Pi Zero as a USB Mass Storage Device using g_mass_storage

I have been trying to get my Raspberry Pi Zero to behave as a USB Mass Storage Device, following https://gist.github.com/gbaman/50b6cca61dd1c3f88f41 and other online documentation. Steps to reproduce: Download Raspbian Jessie Lite or Raspbian…
Toothbrush
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How much power does a Raspberry Pi Need?

I have a Raspberry Pi 3 Model B and it seems like it's always low on power. You can see this by the lightning bolt on the top right corner. I started out by plugging the USB power into a 1A iPhone charger. It worked but the lightning bolt was…
Adam Oakley
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Boot Zero W from USB device

The older Raspberry Pi's (Pi 1, Pi 2 and Pi Zero) couldn't boot from a USB-device, but the Raspberry Pi 3 has support for it. The Pi and Pi 2 have semi-support for it (using an SD-card with a single bootfile). The Pi Zero W is a remake of their…
Max
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