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More free raspberry Pi alternatives?

I've been searching for information but because of the popularity of the Pi there are a lot of results that are how-tos or talking about alternatives. I have tried to do my research. This question was so hard to phrase; really sorry guys. ( addendum…
Alec Teal
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Are there any emulators that run without X on the Raspberry Pi?

Are there any emulators that run on the Pi without X? If not, is there a specifically light-weight window manager that would be good with video game emulator?
Pale2Hall
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Hard-float and performance

Ever since the official Raspbian image came out, there has been much talking about hard-float - often cited as one of the most prominent Raspbian features, promising "tremendous performance boost" . I realize that floating point operations performed…
user13
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Will Raspberry Pi OS update `sudo` to address a recent security vulnerability?

There has been some traffic online this year regarding an apparently substantial vulnerability in sudo that allows unauthorized privilege elevation - CVE-2021-3156 . I've been checking sudo --version since I first heard of this, but after tonight's…
Seamus
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Is it possible to stream H.264 with RTSP on Raspberry Pi?

I'm trying to set up a video conferencing system by using two Raspberry Pi boards. How can I stream the H.264 protocol over a real-time streaming protocol via an Ethernet connection? Which OS should I use to develop on the Raspberry Pi board?
sujal
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How to use JFFS2 or UBIFS to avoid data corruption and increase life of the SD card?

The Pi is using a EXT4 or EXT3 or FAT file systems which are not meant for low level flash devices. It might work very well on flash devices that uses internal (and hidden) wear leveling techniques (such as nowadays SSD), but not on basic flash…
Blup1980
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Can you make a high-power NAS from a Raspberry Pi?

I am completely new to Raspberry Pi, and don't know a lot about it. My knowledge on hardware, software and programming (except for basic Python) is also very limited. However, I read you can make a NAS out of a Raspberry Pi. I browsed through some…
JNat
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Reaching my Pi with MDNS (Avahi)

I want to ssh into my Pi and I can do it right now with the ip address of the Pi. But I want to do it using mDNS. I want to connect using ssh raspberrypi.local . I read that this should work. on the pi, the avahi-deamon is running: pi@raspberrypi:~…
Maarten Meijer
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Fastest browser for a minimal kiosk mode for Raspberry pi zero?

I need suggestion for a lightweight browser for kiosk mode for raspberry pi zero. Chromium is running but it is a bit slow for my required application. My application is just displaying scrolling text data from server port.
punyanagari
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Raspberry Pi 4 B GPIO boot and shutdown button(s)

I've been doing some research on power buttons for the Raspberry Pi, but I'm having quite a hard time finding information. Right now, I have button working on GPIO5, and when I connect it to the opposing GND pin, the Pi boots up. I added the line…
are_end
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How do I bit bang I²C master?

I've installed RPi.GPIO . It doesn't support I²C yet, but can I use it to bit bang I²C? I would just need the Raspberry Pi to be the master.
John La Rooy
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What tailored OS distributions exist?

Is there already a specific tailored distribution for the Raspberry Pi? My specific concern is about the lifetime of the SD card hosting the OS image. Other distro addressed that like, for instance, Voyage Linux for the Alix board .
ziu
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Starting Pi 4 with global_en

It seems that those pins can be used to start Pi 4, but I am not sure exactly how. Can a Pi 4 start after having been shut down by the shutdown menu, if I connect the two holes like below for a short moment? For what it's worth, I have set the…
Damn Vegetables
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What is the minimum power required for an RPi 4 in `halt` or `shutdown`?

I want to use a RPi 4 in a remote, unattended, battery-powered application. In this application, the RPi 4 will spend most of its time inactive , awakened only by either a Real Time Clock (RTC), or a sensor. Either the RTC or the sensor will wake…
Seamus
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Issues installing RTL8812BU WIFI driver on Raspberry Pi 4 B

Recently, I bought a USB3 WiFi adapter with the RTL8812BU chip (Supports Linux). I have spent 5 hours so far trying to install the Linux driver for the chip on my Raspberry Pi 4 . Apparently, I am not able to do this on my own so I hope that you…
Stefan R.
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