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Add network boot testing and monitoring documentation

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Enhance the NETWORK-BOOT-LXC.md documentation with detailed steps for testing network boot functionality, including prerequisites, expected outcomes, and quick testing methods. Introduce a new section on monitoring network boot status on the LXC, outlining commands to check DHCP leases, dnsmasq status, and registered devices. Update the initramfs scripts to support a rescue mode for devices stuck in network-only boot, allowing users to change boot order settings. Include a new rescue script for eMMC management in the build process.
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nearxos
2026-02-21 01:50:01 +02:00
parent 2777811b32
commit 2a9731754c
9 changed files with 324 additions and 3 deletions
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9
emmc-provisioning/scripts/disable-rescue-cmdline-on-lxc.sh Executable file
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#!/usr/bin/env bash
# Restore serial-specific cmdline to symlink to root (disable rescue).
# Usage: ./disable-rescue-cmdline-on-lxc.sh [LXC_HOST] [SERIAL]
set -e
LXC="${1:-root@10.20.30.153}"
SERIAL="${2:-0d1ddbda}"
ssh "$LXC" "rm -f /srv/tftpboot/$SERIAL/cmdline.txt && ln -s ../cmdline.txt /srv/tftpboot/$SERIAL/cmdline.txt && echo 'Rescue disabled; cmdline restored to symlink.'"

26
emmc-provisioning/scripts/enable-rescue-cmdline-on-lxc.sh Executable file
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#!/usr/bin/env bash
# On the LXC TFTP server, replace the serial-specific cmdline with one that has
# provisioning_rescue=1 so the device drops to a shell and can run /rescue-eeprom.sh.
# Usage: ./enable-rescue-cmdline-on-lxc.sh [LXC_HOST] [SERIAL]
# Example: ./enable-rescue-cmdline-on-lxc.sh root@10.20.30.153 0d1ddbda
set -e
LXC="${1:-root@10.20.30.153}"
SERIAL="${2:-0d1ddbda}"
echo "Enabling rescue cmdline for serial $SERIAL on $LXC ..."
ssh "$LXC" "bash -s" "$SERIAL" << 'REMOTE'
SERIAL="$1"
CD="/srv/tftpboot/$SERIAL"
ROOT_CMDLINE="/srv/tftpboot/cmdline.txt"
if [[ ! -d "$CD" ]]; then
echo "Error: $CD does not exist. Create the serial dir first (see NETWORK-BOOT-TROUBLESHOOTING.md)."
exit 1
fi
rm -f "$CD/cmdline.txt"
# One line: root cmdline + space + provisioning_rescue=1
( cat "$ROOT_CMDLINE" 2>/dev/null | tr -d '\n'; echo -n ' provisioning_rescue=1' ) > "$CD/cmdline.txt"
echo "Rescue cmdline written to $CD/cmdline.txt"
echo "Reboot the device; from the rescue shell run: /rescue-eeprom.sh"
REMOTE
echo "Done. Reboot the reTerminal; then run /rescue-eeprom.sh in the rescue shell."