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doc: proofread admin section, add link to TFTP

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Daniel Barlow 2023-09-17 21:44:32 +01:00
parent dd0b1734c1
commit c81ee62374
2 changed files with 16 additions and 8 deletions
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22
doc/admin.rst
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@ -12,8 +12,8 @@ Flashing and updating
Flashing from an existing Liminix system with :command:`flashcp`
================================================================
Flashing from Liminix
=====================
The flash procedure from an existing Liminix-system has two steps.
First we reboot the device (using "kexec") into an "ephemeral"
@ -34,7 +34,7 @@ For example
.. code-block:: console
nix-build --show-trace -I liminix-config=./examples/arhcive.nix \
nix-build -I liminix-config=./examples/arhcive.nix \
--arg device "import ./devices/gl-ar750"
-A outputs.kexecboot && \
(tar chf - result | ssh root@the-device tar -C /run -xvf -)
@ -59,11 +59,16 @@ to the old configuration it finds in flash.
Building the second (permanent) image
-------------------------------------
While running in the kexecboot system, you can copy the permanent
image to the device with :command:`ssh`
While running in the kexecboot system, you can build the permanent
image and copy it to the device with :command:`ssh`
.. code-block:: console
build-machine$ nix-build -I liminix-config=./examples/arhcive.nix \
--arg device "import ./devices/gl-ar750"
-A outputs.default && \
(tar chf - result | ssh root@the-device tar -C /run -xvf -)
build-machine$ tar chf - result/firmware.bin | \
ssh root@the-device tar -C /run -xvf -
@ -109,9 +114,10 @@ Flashing from the boot monitor
==============================
If you are prepared to open the device and have a TTL serial adaptor
of some kind to connect it to, you can probably flash it using U-Boot.
This is quite hardware-specific, and sometimes involves soldering:
please refer to the Developer Manual.
of some kind to connect it to, you can probably use U-Boot and a TFTP
server to download and flash the image. This is quite
hardware-specific, and sometimes involves soldering: please refer
to the :ref:`development manual <tftp server>`.
Flashing from OpenWrt (not currently advised!)

2
doc/development.rst
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@ -87,6 +87,8 @@ time with configurations for RP-PPPoE and/or Accel PPP.`
Hardware devices
****************
.. _tftp server:
How you get your image onto hardware will vary according to the
device, but is likely to involve taking it apart to add wires to
serial console pads/headers, then using U-Boot to fetch images over