Unanswered Questions

8
votes
1answer
255 views

Audio goes in and out on Retropie

So as my title suggests I am having an issue with my Retropie installation. I am currently using latest greatest BerryBoot, OpenElec, and Retropie on my Rasp Pi 2 updated as of yesterday evening. The ...
6
votes
1answer
77 views

Emulating with Qemu: why the extra kernel?

Complete beginner question: why do I have to pass an extra kernel binary when running e.g. a Debian image on an emulated Raspberry Pi? So far all the documentations state that the image files are the ...
6
votes
0answers
1k views

MySQL 5.7 in Raspberry Pi 2

I want to install Mysql 5.7 on Raspberry Pi 2 with Raspbian Jessie. When I execute the command apt-get install mysql-server, it installs version 5.5. What do I need to do? Update I did every step ...
6
votes
2answers
157 views

Is this the correct usage of rsync to create a Raspberry Pi backup?

Pardon my ignorance, I am a new user of this site, Linux, and the Raspberry Pi. The following is a link to a question, from which I used user goldilocks' well documented answer of using rsync, to ...
5
votes
2answers
123 views

Raspberry Pi 21, 22, and 80 Ports Acting Up

I am running an Apache 2 web-server with MySQL and PHPMyAdmin but the 21, 22, and 80 ports act up all the time. The 21 and 22 ports stop working at about the same time but the port 80 works for a lot ...
5
votes
2answers
58 views

500 OOPS: could not bind listening IPv4 socket (vsftpd in raspbian)

I configured the /etc/vsftpd.conf file then restart the vsftpd service. And when I go to check the vsftpd's running status, it returns: 500 OOPS: could not bind listening IPv4 socket I have done a ...
5
votes
1answer
140 views

Wake Raspberry using PS3 controller

I have a PS3 controller connected via Bluettoth to my RetroPie and when I leave it for a few minutes it idles. Now I want to wake it up with my controller. My first idea was to try bluetooth event ...
5
votes
1answer
368 views

Changing RFID key for RFID-RC522

I have been playing around with my RPi2B (with Jessie), an adafruit breakout board and a RFID-RC522. I followed a guide to make it work, and it works like a charm Guide for adding RFID-RC522 to RPi2B ...
5
votes
0answers
122 views

LIRC With Multiple IR Emitters

How do I get multiple instances of LIRC working and each using different GPIO? Right now I do: sudo lircd --device=/dev/lirc0 --pidfile=/var/run/lirc/lirc0.pid --listen=8700 --connect=localhost:8700 ...
5
votes
3answers
298 views

Installing MongoDB On Raspberry Pi 2

i have been trying for 2 days to get MongoDB installed on my raspberry pi but i am unable to get it to work. i know that the official mongo isn't for for ARM, but there is a fork i found at: ...
5
votes
1answer
315 views

Kernel not updating on Raspbian under QEMU

I'm trying to update my kernel to the latest version. apt is updated and upgraded, and rpi-update finishes without error. However when I reboot, I'm still running the old kernel. Any ideas? $ uname ...
4
votes
0answers
130 views

Raspberry Pi 3, can't connect to more than one bluetooth speaker via pulseaudio

I'm trying to get two bluetooth speakers connected via the native bluetooth controller. The first one connects and plays audio just fine. The second one never connects. Since I've searched and found ...
4
votes
1answer
49 views

GPIO to hifi amplifier's trigger input (remote power on). Protection? Circuit?

I use my raspberry 1 B+ with a DAC board (like hifiberry) and volumio/moode audio distribution. The board is working as a pre-amp and it's connected to my hifi amplifier RCAs input, sending analog ...
4
votes
1answer
74 views

What kernel modules and other setup are needed for using the RPi3 built in Wi-Fi?

Question I'm trying to get the Wi-Fi working (again) on my model 3. I am not using Raspbian. Which kernel config settings and loaded modules are needed for the Wi-Fi device to show up in ifconfig ...
4
votes
0answers
158 views

How to run a Raspiban in QEMU

How do you run a standard Raspbian image in QEMU? I'm following the instructions in this wiki, but the first step is failing. I downloaded the kernal kernel-qemu-4.1.13-jessie and the Raspbian ...

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