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Enhance network boot setup script and documentation: automate fetching of Raspberry Pi 4 boot files from GitHub, update TFTP root handling, and improve user instructions for setup. Remove manual steps for file retrieval and clarify echo messages in the setup script.

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nearxos
2026-02-20 12:28:54 +02:00
parent 499c14580e
commit b99cc2520a
3 changed files with 77 additions and 15 deletions
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26
chromium-setup/emmc-provisioning/scripts/setup-network-boot-on-lxc.sh
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@@ -14,7 +14,7 @@ if [[ -n "$TARGET" ]]; then
rsync -a "$REPO_DIR/lxc/" "$TARGET:/tmp/cm4-network-boot-lxc/" --exclude='.git'
scp "$SCRIPT_DIR/setup-network-boot-on-lxc.sh" "$TARGET:/tmp/cm4-network-boot-lxc/setup.sh"
ssh "$TARGET" "bash /tmp/cm4-network-boot-lxc/setup.sh"
echo "Done. Next: ensure /srv/tftpboot has RPi boot files (see docs/NETWORK-BOOT-LXC.md)."
echo "Done."
exit 0
fi
@@ -42,12 +42,26 @@ log-queries
port=0
DNSMASQ
# 3) TFTP root and minimal placeholder so TFTP serves something
# 3) TFTP root: fetch Raspberry Pi 4 boot files from GitHub if missing
mkdir -p /srv/tftpboot
if [[ ! -f /srv/tftpboot/start4cd.elf ]]; then
echo "TFTP root /srv/tftpboot is empty. You need Raspberry Pi 4 boot files (start4cd.elf, fixup4cd.dat, config.txt, cmdline.txt, kernel8.img)."
echo "Download from: https://github.com/raspberrypi/firmware/ (branch master, boot/ folder) and copy into /srv/tftpboot"
echo "Or from a Pi: scp -r pi@<pi>:/boot/firmware/* root@<lxc>:/srv/tftpboot/"
echo "Fetching Raspberry Pi firmware boot files from GitHub ..."
if ! command -v curl >/dev/null 2>&1 && ! command -v wget >/dev/null 2>&1; then
apt-get update -qq && DEBIAN_FRONTEND=noninteractive apt-get install -y -qq curl
fi
tmpdir=$(mktemp -d)
trap "rm -rf $tmpdir" EXIT
if command -v curl >/dev/null 2>&1; then
curl -sL "https://github.com/raspberrypi/firmware/archive/refs/heads/master.tar.gz" -o "$tmpdir/firmware.tar.gz"
else
wget -q -O "$tmpdir/firmware.tar.gz" "https://github.com/raspberrypi/firmware/archive/refs/heads/master.tar.gz"
fi
tar xzf "$tmpdir/firmware.tar.gz" -C "$tmpdir"
cp -a "$tmpdir/firmware-master/boot/." /srv/tftpboot/
rm -rf "$tmpdir"
echo "Copied RPi boot files to /srv/tftpboot"
else
echo "TFTP root already has boot files (start4cd.elf present), skipping fetch."
fi
# 4) IP forwarding (LAN clients use WAN)
@@ -87,4 +101,4 @@ systemctl restart dnsmasq
echo "Network boot setup done."
echo " - DHCP + TFTP on eth1 (10.20.50.1), range 10.20.50.100-200"
echo " - NAT: 10.20.50.0/24 -> eth0 (internet)"
echo " - Put RPi 4 boot files in /srv/tftpboot (see above or docs/NETWORK-BOOT-LXC.md)"
echo " - TFTP root: /srv/tftpboot (RPi boot files from GitHub)"