Mac folder, config updater script, updated readmes.

mac_linux_archive/update-rpi-mac-linux.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+#|| @license
+#|| | This program is free software; you can redistribute it and/or
+#|| | modify it under the terms of the GNU Lesser General Public
+#|| | License as published by the Free Software Foundation; version
+#|| | 2.1 of the License.
+#|| |
+#|| | This program is distributed in the hope that it will be useful,
+#|| | but WITHOUT ANY WARRANTY; without even the implied warranty of
+#|| | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#|| | Lesser General Public License for more details.
+#|| |
+#|| | You should have received a copy of the GNU Lesser General Public
+#|| | License along with this library; if not, write to the Free Software
+#|| | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#|| #
+
+# Script repurposed fromhttps://github.com/BigNate1234/rpi-USBSSH
+#
+# This script will modify the cmdline.txt file on a freshly flashed Raspbian Stretch/Lite
+# It readies it for SSH, USB OTG, USB networking, and Wifi
+#
+# Run it in a terminal in the "boot" directory of the flashed MicroSD card
+# Ex:
+# cd /Volumes/boot (or wherever the boot folder is mounted)
+# chmod+x update-rpi-mac-linux.sh  (if not executable already)
+# ./update-rpi-mac-linux.sh
+#
+# Put the card in your Pi, and reboot!
+
+# Creates the ssh file if needed, since Raspbian now disables 
+# ssh by default if the file isn't present
+
+if [ ! -r "cmdline.txt" ]; then
+  echo 'STOP: Run this script in the "boot" directory where cmdline.txt is located.'
+  exit 1
+fi
+
+if [ ! -n "${SSID+x}" ] || [ ! -n "${WIFIPASS+x}"  ]
+then
+  echo 'STOP: You need to specify your wifi name and password first. Run: '
+  echo " "
+  echo '      export SSID=your_ssid'
+  echo '      export WIFIPASS=your_wifi_password'
+  echo " "
+  echo "Be sure to replace the values with your SSID (network name) and password."
+  exit 1
+fi
+
+if [ ! -f ssh ]; then
+  touch ssh
+fi
+
+# Append the dwc2 module if not set (USB OTG)
+
+dt=$(cat config.txt | grep "dtoverlay=dwc2")
+if [ "$dt" != "dtoverlay=dwc2" ]; then
+  echo "dtoverlay=dwc2" >> config.txt
+fi
+
+# Append the g_ether module if not set (USB networking)
+
+mod=$(cat cmdline.txt | grep -o "modules-load=dwc2,g_ether")
+if [ "$mod" != "modules-load=dwc2,g_ether" ]; then
+  sed -i '' '$ s/$/ modules-load=dwc2,g_ether/' cmdline.txt
+  # Only appends to end of line, not newline
+fi
+
+# Remove the automatic filesystem expansion action
+# This is specific to the teslausb project; normally the 
+# Raspbian image will automatically expand the filesystem to include the 
+# entire SD card. 
+
+mod=$(cat cmdline.txt | grep -o "init=/usr/lib/raspi-config/init_resize.sh")
+if [ "$mod" = "init=/usr/lib/raspi-config/init_resize.sh" ]; then
+  sed -i'.bak' -e 's/ init=\/usr\/lib\/raspi-config\/init_resize.sh//g' cmdline.txt
+fi
+
+# Sets up wifi credentials so wifi will be 
+# auto configured on first boot
+
+
+cat << EOF >> wpa_supplicant.conf
+ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
+update_config=1
+
+network={
+  ssid=$SSID
+  psk=$WIFIPASS
+  key_mgmt=WPA-PSK
+}
+EOF
+
+cd
+echo ""
+echo '-- Files updated and ready for Wifi and SSH over USB --'
+echo ""