video player for artists by artists https://videopi.saloun.cz/
|Jakub Valenta f0d0647d12 Makefile: install: Update version to 2018-01-02||8 months ago|
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|export-noobs||1 year ago|
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|Makefile||8 months ago|
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Video player for artists by artists
This document contains technical information about Video Pi. For general help and configuration instructions visit videopi.saloun.cz.
Video Pi is based on pi-gen. To build a Video Pi image that can be written to an SD card, either follow pi-gen's instructions or use Video Pi's convenient Makefile and run:
If the build fails, you can continue using:
Once the build is finished, Video Pi image will be available in
To install the image, either use
dd or check that the path to the image in
Makefile is correct and then run:
make install DEVICE=/dev/sdX
Tool used to create the raspberrypi.org Raspbian images
On Debian-based systems:
apt-get install quilt parted realpath qemu-user-static debootstrap zerofree pxz zip \ dosfstools bsdtar libcap2-bin grep rsync xz-utils
depends contains a list of tools needed. The format of this
build.sh will source the file
config in the current
working directory. This bash shell fragment is intended to set needed
The following environment variables are supported:
IMG_NAMErequired (Default: unset)
The name of the image to build with the current stage directories. Setting
IMG_NAME=Raspbian is logical for an unmodified RPi-Distro/pi-gen build,
but you should use something else for a customized version. Export files
in stages may add suffixes to
If you require the use of an apt proxy, set it here. This proxy setting
will not be included in the image, making it safe to use an
similar package for development.
If you have Docker installed, you can set up a local apt caching proxy to like speed up subsequent builds like this:
docker-compose up -d echo 'APT_PROXY=http://172.17.0.1:3142' >> config
BASE_DIR(Default: location of
CAUTION: Currently, changing this value will probably break build.sh
Top-level directory for
pi-gen. Contains stage directories, build
scripts, and by default both work and deployment directories.
Directory in which
pi-gen builds the target system. This value can be
changed if you have a suitably large, fast storage location for stages to
be built and cached. Note,
WORK_DIR stores a complete copy of the target
system for each build stage, amounting to tens of gigabytes in the case of
CAUTION: If your working directory is on an NTFS partition you probably won't be able to build. Make sure this is a proper Linux filesystem.
Output directory for target system images and NOOBS bundles.
This enable the Qemu mode and set filesystem and image suffix if set to 1.
A simple example for building Raspbian:
vi config # Edit your config file. See above. ./build-docker.sh
If everything goes well, your finished image will be in the
You can then remove the build container with
docker rm -v pigen_work
If something breaks along the line, you can edit the corresponding scripts, and continue:
There is a possibility that even when running from a docker container, the
qemu-user-static will silently fail when building the image
binfmt-support must be enabled on the underlying kernel. An easy
fix is to ensure
binfmt-support is installed on the host machine before
./build-docker.sh script (or using your own docker build
The build of Raspbian is divided up into several stages for logical clarity and modularity. This causes some initial complexity, but it simplifies maintenance and allows for more easy customization.
Stage 0 - bootstrap. The primary purpose of this stage is to create a
usable filesystem. This is accomplished largely through the use of
debootstrap, which creates a minimal filesystem suitable for use as a
base.tgz on Debian systems. This stage also configures apt settings and
raspberrypi-bootloader which is missed by debootstrap. The
minimal core is installed but not configured, and the system will not quite
Stage 1 - truly minimal system. This stage makes the system bootable by
installing system files like
/etc/fstab, configures the bootloader, makes
the network operable, and installs packages like raspi-config. At this
stage the system should boot to a local console from which you have the
means to perform basic tasks needed to configure and install the system.
This is as minimal as a system can possibly get, and its arguably not
really usable yet in a traditional sense yet. Still, if you want minimal,
this is minimal and the rest you could reasonably do yourself as sysadmin.
Stage 2 - lite system. This stage produces the Raspbian-Lite image. It installs some optimized memory functions, sets timezone and charmap defaults, installs fake-hwclock and ntp, wifi and bluetooth support, dphys-swapfile, and other basics for managing the hardware. It also creates necessary groups and gives the pi user access to sudo and the standard console hardware permission groups.
There are a few tools that may not make a whole lot of sense here for
development purposes on a minimal system such as basic Python and Lua
packages as well as the
build-essential package. They are lumped right
in with more essential packages presently, though they need not be with
pi-gen. These are understandable for Raspbian's target audience, but if
you were looking for something between truly minimal and Raspbian-Lite,
here's where you start trimming.
Stage 3 - desktop system. Here's where you get the full desktop system with X11 and LXDE, web browsers, git for development, Raspbian custom UI enhancements, etc. This is a base desktop system, with some development tools installed.
Stage 4 - Raspbian system meant to fit on a 4GB card. More development tools, an email client, learning tools like Scratch, specialized packages like sonic-pi, system documentation, office productivity, etc. This is the stage that installs all of the things that make Raspbian friendly to new users.
Stage 5 - The official Raspbian Desktop image. Right now only adds Mathematica.
If you wish to build up to a specified stage (such as building up to stage 2
for a lite system), place an empty file named
SKIP in each of the
directories you wish not to include.
Then remove the
EXPORT* files from
./stage4 (if building up to stage 2) or
./stage2 (if building a minimal system).
# Example for building a lite system echo "IMG_NAME='Raspbian'" > config touch ./stage3/SKIP ./stage4/SKIP ./stage5/SKIP rm stage4/EXPORT* stage5/EXPORT* sudo ./build.sh # or ./build-docker.sh
If you wish to build further configurations upon (for example) the lite
system, you can also delete the contents of
replace with your own contents in the same format.