Questions tagged [image]

An image is a file containing the complete data of another medium, e.g. the content of a SD card.

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87
votes
9answers
108k views

Can a Raspberry Pi be used to create a backup of itself?

This question answers the question of how I use an external computer to create a backup of my RPi. I'm wondering whether I can create a backup image of the SD card that is currently in use, and ...
49
votes
3answers
77k views

How to add custom loading screen?

I would like to make Raspberry PI useful for TV purpose or so... Therefore I would like to show to end user loading image before entering the X-Windows and starting customized desktop... So instead ...
42
votes
5answers
73k views

How can I mount a Raspberry Pi Linux distro image?

Normal filesystem images can be easily mounted: mount system.img /mnt Examined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get: mount: unknown filesystem ...
41
votes
4answers
123k views

How can I convert a .img.xz file to .img to transfer it to my SDCard?

I have downloaded Kali v1.1.0 for my Raspberry Pi 2 from here. But the file I must transfer to the SD Card is a .img.xz, not the desired .img one. I have tried to unpack with: $ tar -jxvf kali-1....
28
votes
9answers
47k views

Copy existing Raspbian installation to smaller SD card

Is it possible to copy an existing and configured Raspbian installation to a smaller SD card? When I first installed Raspbian I only had a 32 GB card at hand which obviously is bigger than needed.
24
votes
11answers
34k views

How can I copy the same image to many SDs?

So finally I can place that bulk order for Raspberry Pis! However, configuring them is going to be a chore. What I'd like to do is: Download a stock image, and tinker with it on a single Pi Save/...
24
votes
2answers
12k views

FreeBSD - easiest way to install on my RPi?

Raspberry Pi support has been merged into FreeBSD-CURRENT a few months ago. However the latest installation instructions still involve a lengthy process of cross-compiling the entire OS on another ...
21
votes
5answers
58k views

Copy current SD image to larger SD card

So I got my new pi and the only free SD I had was 2GB. I couldn't hold off playing with it so it had to do for the time being. I loaded raspbmc and then spent time loading repositories, add-ons and ...
20
votes
5answers
47k views

How to make an image (.img) from what's on the SD card (but as compact as the original one)?

I tried: sudo dd bs=4k if=/dev/mmcblk0 of=/media/1BAB47551C66A42B/raspbian_migs2.gz It creates an .img file with 7.6 GB (card size, BUT what's on the card has 700 MB). And: sudo dd bs=4k ...
19
votes
4answers
39k views

Image of a 16Gb card containing unpartitioned space at the end: Truncating possible?

I wanted to prepare a distro for some friends. As I didn't have anything else lying around, I used a 16Gb SD card. I started with the default Debian Weezy 2Gb image and did not do any resizing. Now, ...
18
votes
3answers
126k views

How to clone Raspberry Pi SD Card on Windows, Linux, and macOS? [duplicate]

I want to make a back up of my raspberry pi because I have done a lot of work and repeating the process would take a lot of time. How does one go about making an image of a Raspberry Pi SD card for ...
18
votes
1answer
6k views

Is there a way to alter the raspberry image that appears during boot?

A glint-box community member recently asked me if there was a way to replace the raspberry image that appears in the top-left corner of the screen during boot to something more NES-centric, such as a ...
16
votes
2answers
4k views

After writing an SD card image, is the remaining space usable?

Forgive me if this is basic, because I'm used to writing CD images, I'm not sure how this works. The Raspbian image is about 440MB (zipped at least). If I write the image onto a 16GB card, will all ...
15
votes
2answers
34k views

Take images in a short time using the Raspberry Pi camera module

I'm working on a project in which I need to take about 30 images per second (no movie) using the Raspberry Pi camera module. I'm using the Picamera library (http://picamera.readthedocs.org/en/latest/...
14
votes
4answers
25k views

How to shrink an image file after allocating full space

I'm in the process of experimenting with backing up a Raspberry Pi (Raspbian) sd card. I'm using Win32DiskImager to read the image (from SD card reader) onto my HDD, successfully - but now the size ...
13
votes
4answers
27k views

How to printscreen on Raspberry Pi?

I would like to screenshot the Midori browser and i've tried the following methods as mentioned HERE. Using Imagemagick which is pre-installed in Raspberry Pi. I pressed the printscreen key on the ...
13
votes
4answers
36k views

How to resize an image file before writing to SD card?

I've been trying to create a new Raspbian image with a different kernel (with CAN support) and with Python 3.3 installed. Rather than doing all of this on the Raspberry Pi, I thought it would be ...
13
votes
4answers
28k views

SD Image won't fit on SD Card

I have had one pi set up and running good for a while (RPi - 1). I wanted to create an image of RPi - 1 so I can load an exact copy onto my 2nd pi (RPi - 2). The SD card in RPi - 1 is 4GB (only about ...
12
votes
3answers
6k views

Raspberry Pi for real time video processing

A project I'm working on involves wireless transmission of images from a camera to a host computer in real time. Can the Raspberry Pi be used as a DSP for the camera for image acquisition and pre-...
11
votes
1answer
2k views

System not shutting down properly

I'm running Arch, and when I shut down with the poweroff command (or with shutdown -h now) the 3 LEDs mentioned stay on. In addition, if I've plugged it into a screen, it displays > POWER OFF ...
11
votes
3answers
21k views

How to increase the camera exposure time?

I am taking pictures in very dark environment, and I would like to obtain a brighter image. How do I increase the exposure time? I've tried the following: different exposure mode, like night, ...
11
votes
2answers
10k views

Custom Raspbian image fails to boot with “no init found”

I'm building a custom SD image of Raspbian using debootstrap, and the resulting image fails to boot with Kernel panic - not syncing: No init found. on both my Raspberry Pi and under qemu. I can ...
10
votes
3answers
9k views

Reduce Ubuntu mate 16.04 img file size

I downloaded the official ubuntu-mate-16.04.img.xz (which is about 1.1GB) and extracted it. But the extracted .img is about 8.1 GB which is about 162 MB larger than the size of my sd card. So, I can't ...
8
votes
2answers
1k views

Which images can be used universally across all Raspberry Pi versions?

My search failed this time so I'm asking here. Are there images that universally can be used across all Raspberry Pi versions? Original, 2, B+ 3, etc. For Armv6 and Armv7 architecture If they do ...
8
votes
5answers
7k views

Restore PI from Pi itself

Just started playing around with a raspberry pi model b+ I've had sitting around for ages and I had a question? Is it possible to restore a Raspberry Pi from itself? E.g: Can I put an image on the ...
7
votes
1answer
3k views

How do I improve speed of photo/image resize? (~8MB to ~100KB)

I'm building a program which reads photos off an SD Card then resize the images and upload them to Flickr (note, it's a second SD Card reader, not the one on-board) The photos are high-resolution JPG'...
6
votes
4answers
6k views

DD claiming to write to SD card, not doing anything

I'm running into an issue where if I attempt to flash a microSD card with sudo dd bs=4M if=some_pi_image.img of=/dev/sdb It claims to have written the image at about 1.9 GB/s, with output: 1088+0 ...
6
votes
3answers
12k views

YOLO or SSD on raspberry pi

I've run yolov2 on my Raspberry Pi 3 but I got 1 frame each 13s (which is pretty bad for live object detection). I've also tried an SSD but the results were terrible too. Is there anything I could do ...
6
votes
3answers
59k views

Installing CentOS 7 on a Raspberry Pi

How do you install CentOS 7 on a Raspberry Pi? The link to download the image is available here.
5
votes
4answers
162 views

OS image made using Pi-Gen lacks JPEG support in GTK

I recently started using Pi-Gen to generate customized prebuilt Raspberry OS images for use with a RaspberryPI 4. I use the build-docker.sh script on a Linux Mint VM. However, in a test run with ...
5
votes
3answers
5k views

Is it possible to flash the Pi's firmware live?

I already have few Raspberry Pi devices running Raspbian + my custom scripts. These device is internet connected and mounted at area which is hard to access, (e.g on top of a building) Over the ...
5
votes
2answers
3k views

Making a new image after changing a few parameter of Raspbian

I got Raspbian on a SD card. It is working. Then I installed a few program, modified some visual settings, and added some config files. What I would like to do now is release this image to other ...
5
votes
3answers
5k views

Why do I have to “flash” the operating system onto the microsd card. Why can't I just copy and paste?

I know you can just copy and paste the NOOBS files and it works, but aside from that, in order to install other operating systems on a raspberry pi or some other similar device like odroid, etc, I'm ...
5
votes
4answers
568 views

dd for image backup

My SD card corrupted itself but I have a back up image. The partition table leave 1GB unallocated space at the end so that I can restore to any 8GB memory card regardless of memory fluctuations. ...
4
votes
4answers
9k views

Is there a way to compress a backup of the RPi because the backup has empty space?

I did a backup for my RPi (64GB microsd card) and it saved the entire 64GB worth .img file... while theres only ~14GB worth actual data, the image file accounts also for that empty space. Anyone know ...
4
votes
2answers
20k views

how do I enable JPEG support with PIL?

By default, PIL doesn't have jpeg support on the Raspberry Pi, so it returns the following: IOError: decoder jpeg not available This can also be seen while installing PIL: *** JPEG support not ...
4
votes
1answer
11k views

Getting to display images with feh at startup

I can't get my raspberry pi to display images using feh at startup. I have tried placing my simple feh command wrapped in a shell in cron jobs, /etc/rc0-9.d, and init.d but nothing is working. I ...
4
votes
1answer
1k views

What is os_config.json and where is it documented?

I'm using Raspbian Jessie Lite, and during startup there's a line: Started LSB: Apply config from /boot/os_config.json. What is os_config.json? Is there documentation for it somewhere? What is it ...
4
votes
1answer
4k views

Installation of Zbar failed

I'm trying to install Zbar but I am having an issue with ./configure: checking linux/videodev.h usability... no checking linux/videodev.h presence... no checking for linux/videodev.h... no configure: ...
4
votes
1answer
2k views

Serial connection Arduino - Pi

I am having an Arduino Nano sending "48" or "49" via a serial connection to a Pi. I'd like to use this input, but for some reason the connection always cuts out after a few seconds with the following ...
4
votes
1answer
3k views

Existing Raspbian Installation in Qemu on Windows

I have a Raspberry Pi Model B running Raspbian NOOBS, which I'm preparing to use as a media centre / Node.JS server. I have followed various tutorials and managed to get a premade Raspbian image up ...
4
votes
4answers
726 views

Disk image writer - duplicating a Pi image to identical SD cards, one says it's too small

I'm trying to duplicate a complete image with Raspbian and a custom video installation software multiple times; I bought eight identical Micro SD cards (SanDisk 32 GB). I made a master image, I copied ...
4
votes
1answer
215 views

Write Image to SD Card per SSH

I want to write an SD Card Image to a SD Card inserted in the Raspberry PI. What I have done (and it is working): Login to Raspberry an change the /boot/cmdline.txt a NFS Root (Something like ... ...
3
votes
2answers
9k views

PIL.Image from picamera.capture()

I want to get an image from the pi camera module and use the pillow imaging library to modify the image. The way I have been doing it up to now is to take a picture with the camera and then open that ...
3
votes
3answers
5k views

Raspberry Pi not booting at all with most images, but with some it does

I am having a very basic problem with my raspberry PI: It can't get it boot when I flash Images with dd on Linux nor with Win32 Image Writer on Windows. I tried several *.img-images, such a as Arch, ...
3
votes
2answers
4k views

Debian Jessie or Raspbian Wheezy for Raspberry Pi 2

I wonder whether I should install Raspbian or normal Debian Jessie on my Pi 2. Since Pi 2 has a ARM Cortex-A7 CPU it does not depend on the hard float modification anymore. This means, I could simply ...
3
votes
3answers
2k views

Stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should be on a millisecond level possibly. I would like to get about 10 FPS either as video or still ...
3
votes
2answers
4k views

Why I can't copy my Linux image to another SD card?

I have 2 SD cards (8 GB) I wrote my Wheezy image into one SD card (using Win32DiskImager) and I expanded the the disk space of the image on that card. then I used (Win32DiskImager) to read the Image ...
3
votes
2answers
5k views

Burn ISO file to Flash Drive with Raspbian

Recently my Windows 10 Tablet stuck at booting after update, so I want to burn the WIN10.ISO to flash drive to run repair but don’t know how on Raspbian. The only PC available at hand is my Raspberry ...
3
votes
3answers
7k views

How to shrink the size of your sd card before using dd to backup your sd card [duplicate]

I use 32gb micro sd card for my raspibian. I use dd this command to backup it. But, I found it is too large. How to shrink it before I backup it? Thanks. Add words: I had used a 16gb sd card. Then, ...

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