Created
February 1, 2020 21:55
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#!/bin/sh | |
set -e | |
if [[ $# -ne 3 ]] ; then | |
echo "Usage: $0 </dev/disk> <ssid> <passphase>" | |
exit 1 | |
fi | |
DISK="$1" | |
SSID="$2" | |
PASS="$3" | |
if [[ ! -b "${DISK}" ]] ; then | |
echo "Not a block device: ${DISK}" | |
exit 1 | |
fi | |
if [[ "${USER}" != "root" ]] ; then | |
echo "Must run as root." | |
exit 1 | |
fi | |
echo Mounting | |
mkdir root | |
mount "${DISK}2" root | |
cat << EOF >> root/etc/systemd/network/wlan0.network | |
[Match] | |
Name=wlan0 | |
[Network] | |
DHCP=yes | |
EOF | |
wpa_passphrase "${SSID}" "${PASS}" > root/etc/wpa_supplicant/wpa_supplicant-wlan0.conf | |
ln -s \ | |
/usr/lib/systemd/system/wpa_supplicant@.service \ | |
root/etc/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service | |
echo Unmounting | |
umount root | |
echo Cleaning up | |
rmdir root |
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