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Updated pigen README

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Logan G 2020-10-10 21:23:57 -06:00
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README-pigen.md
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# pi-gen
_Tool used to create the raspberrypi.org Raspbian images_
Tool used to create Raspberry Pi OS images. (Previously known as Raspbian).
## Dependencies
pi-gen runs on Debian based operating systems. Currently it is only supported on
pi-gen runs on Debian-based operating systems. Currently it is only supported on
either Debian Buster or Ubuntu Xenial and is known to have issues building on
earlier releases of these systems. On other Linux distributions it may be possible
to use the Docker build described below.
To install the required dependencies for pi-gen you should run:
To install the required dependencies for `pi-gen` you should run:
```bash
apt-get install coreutils quilt parted qemu-user-static debootstrap zerofree zip \
@ -68,7 +68,7 @@ The following environment variables are supported:
system for each build stage, amounting to tens of gigabytes in the case of
Raspbian.
**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.
**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.
* `DEPLOY_DIR` (Default: `"$BASE_DIR/deploy"`)
@ -124,12 +124,24 @@ The following environment variables are supported:
* `WPA_ESSID`, `WPA_PASSWORD` and `WPA_COUNTRY` (Default: unset)
If these are set, they are use to configure `wpa_supplicant.conf`, so that the Raspberry Pi can automatically connect to a wifi network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wifi network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters.
If these are set, they are use to configure `wpa_supplicant.conf`, so that the Raspberry Pi can automatically connect to a wireless network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wireless network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters.
* `ENABLE_SSH` (Default: `0`)
Setting to `1` will enable ssh server for remote log in. Note that if you are using a common password such as the defaults there is a high risk of attackers taking over you Raspberry Pi.
* `PUBKEY_SSH_FIRST_USER` (Default: unset)
Setting this to a value will make that value the contents of the FIRST_USER_NAME's ~/.ssh/authorized_keys. Obviously the value should
therefore be a valid authorized_keys file. Note that this does not
automatically enable SSH.
* `PUBKEY_ONLY_SSH` (Default: `0`)
* Setting to `1` will disable password authentication for SSH and enable
public key authentication. Note that if SSH is not enabled this will take
effect when SSH becomes enabled.
* `STAGE_LIST` (Default: `stage*`)
If set, then instead of working through the numeric stages in order, this list will be followed. For example setting to `"stage0 stage1 mystage stage2"` will run the contents of `mystage` before stage2. Note that quotes are needed around the list. An absolute or relative path can be given for stages outside the pi-gen directory.
@ -264,7 +276,7 @@ maintenance and allows for more easy customization.
- **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,
defaults, installs fake-hwclock and ntp, wireless LAN 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.