From 4970fea8332a1d4adfa4aa21cc1e0e495627135f Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 19:37:24 -0700
Subject: [PATCH 01/20] Create the backing files for the USB drives on a
 separate partition.

---
 .../create-backingfiles-partition.sh          |  15 ++
 windows_archive/create-backingfiles.sh        |  37 ++++
 windows_archive/setup-piForHeadlessConfig.ps1 |   2 +-
 windows_archive/setup-teslausb                | 199 +++++++++++-------
 4 files changed, 172 insertions(+), 81 deletions(-)
 create mode 100644 windows_archive/create-backingfiles-partition.sh
 create mode 100644 windows_archive/create-backingfiles.sh

diff --git a/windows_archive/create-backingfiles-partition.sh b/windows_archive/create-backingfiles-partition.sh
new file mode 100644
index 0000000..df41f4f
--- /dev/null
+++ b/windows_archive/create-backingfiles-partition.sh
@@ -0,0 +1,15 @@
+#!/bin/bash -eu
+
+BACKINGFILES_MOUNTPOINT="$1"
+  
+PARTITION_TABLE=$(parted -m /dev/mmcblk0 unit s print)
+ROOT_PARTITION_LINE=$(echo "$PARTITION_TABLE" | grep -e "^2:")
+LAST_ROOT_PARTITION_SECTOR=$(echo "$ROOT_PARTITION_LINE" | sed 's/s//g' | cut -d ":" -f 3)
+
+FIRST_BACKINGFILES_PARTITION_SECTOR=$(( $LAST_ROOT_PARTITION_SECTOR + 1 ))
+
+parted -m /dev/mmcblk0 u s mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_SECTOR" 100%
+
+mkfs.ext4 /dev/mmcblk0p3
+
+echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab
\ No newline at end of file
diff --git a/windows_archive/create-backingfiles.sh b/windows_archive/create-backingfiles.sh
new file mode 100644
index 0000000..a5376b7
--- /dev/null
+++ b/windows_archive/create-backingfiles.sh
@@ -0,0 +1,37 @@
+#!/bin/bash -eu
+
+SPACE_TO_USE="$1"
+CAM_PERCENT="$2"
+BACKINGFILES_MOUNTPOINT="$3"
+
+G_MASS_STORAGE_CONF_FILE_NAME=/etc/modprobe.d/g_mass_storage.conf
+
+function add_drive () {
+  local name="$1"
+  local label="$2"
+  local size="$3"
+
+  local filename="$4"
+  fallocate -l "$size"K "$filename"
+  mkfs.vfat "$filename" -F 32 -n "$label"
+
+  local mountpoint=/mnt/"$name"
+
+  mkdir "$mountpoint"
+  echo "$filename $mountpoint vfat noauto,users,umask=000 0 0" >> /etc/fstab
+}
+
+CAM_DISK_SIZE="$(( $SPACE_TO_USE * $CAM_PERCENT / 100 ))"
+CAM_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/cam_disk.bin"
+add_drive "cam" "CAM" "$CAM_DISK_SIZE" "$CAM_DISK_FILE_NAME"
+
+if [ "$CAM_PERCENT" -lt 100 ]
+then
+  MUSIC_PERCENT="$(( 100 - $CAM_PERCENT ))"
+  MUSIC_DISK_SIZE="$(( $SPACE_TO_USE * $MUSIC_PERCENT / 100 ))"
+  MUSIC_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/music_disk.bin"
+  add_drive "music" "MUSIC" "$MUSIC_DISK_SIZE" "$MUSIC_DISK_FILE_NAME"
+  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME,$MUSIC_DISK_FILE_NAME removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > G_MASS_STORAGE_CONF_FILE_NAME
+else
+  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME removable=1 ro=0 stall=0 iSerialNumber=123456" > G_MASS_STORAGE_CONF_FILE_NAME
+fi
diff --git a/windows_archive/setup-piForHeadlessConfig.ps1 b/windows_archive/setup-piForHeadlessConfig.ps1
index d5c682f..ff951ea 100644
--- a/windows_archive/setup-piForHeadlessConfig.ps1
+++ b/windows_archive/setup-piForHeadlessConfig.ps1
@@ -23,7 +23,7 @@ Write-Verbose "Updating $configPath ..."
 
 Write-Verbose "Updating $cmdlinePath ..."
 $cmdlinetxtContent = gc -Raw $cmdlinePath
-$cmdlinetxtContent.Replace("rootwait", "rootwait modules-load=dwc2,g_ether") | Out-File -FilePath $cmdlinePath -Encoding utf8
+$cmdlinetxtContent.Replace("rootwait", "rootwait modules-load=dwc2,g_ether").Replace(" init=/usr/lib/raspi-config/init_resize.sh", "") | Out-File -FilePath $cmdlinePath -Encoding utf8
 
 Write-Verbose "Enabling SSH ..."
 [System.IO.File]::CreateText($sshPath).Dispose()
diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index 4e40a1b..bf844f1 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -1,6 +1,8 @@
 #!/bin/bash -eu
 
-if [ "$(whoami)" != "root" ]
+BRANCH=u/cimryan/readonlyrootfs
+
+if ! [ $(id -u) = 0 ]
 then
   echo "STOP: Run sudo -i."
   exit 1
@@ -15,74 +17,88 @@ function check_variable () {
   fi
 }
 
-check_variable "archiveserver"
-check_variable "sharename"
-check_variable "shareuser"
-check_variable "sharepassword"
-check_variable "campercent"
-
-serverunreachable=false
-ping -c 1 -w 1 "$archiveserver" 1>/dev/null 2>&1 || serverunreachable=true
-
-if [ "$serverunreachable" = true ]
-then
-  echo "STOP: The archive server $archiveserver is unreachable. Try specifying its IP address instead."
-  exit 1
-fi
-
-archiveserverip="$(getent hosts $archiveserver | cut -d' ' -f1)"
-
-available_space="$(($(df --output=avail / | tail -1) - 1000000))"
-
-if [ "$available_space" -lt 0 ]
-then
-  echo "STOP: The MicroSD card is too small."
-  exit 1
-fi
-
-function add_drive () {
-  local name="$1"
-  local label="$2"
-  local size="$3"
-
-  local filename="$4"
-  fallocate -l "$size"K "$filename"
-  mkfs.vfat "$filename" -F 32 -n "$label"
-
-  local mountpoint=/mnt/"$name"
-
-  mkdir "$mountpoint"
-  echo "$filename $mountpoint vfat noauto,users,umask=000 0 0" >> /etc/fstab
+function check_archive_server_reachable () {
+  echo "Verifying that the archive server $archiveserver is reachable..."
+  local serverunreachable=false
+  ping -c 1 -w 1 "$archiveserver" 1>/dev/null 2>&1 || serverunreachable=true
+  
+  if [ "$serverunreachable" = true ]
+  then
+    echo "STOP: The archive server $archiveserver is unreachable. Try specifying its IP address instead."
+    exit 1
+  fi
+  
+  echo "The archive server is reachable."
 }
 
-pushd ~
+function check_available_space () {
+  echo "Verifying that there is sufficient space available on the MicroSD card..."
+  local available_space="$1"
+  if [ "$available_space" -lt  4294967296 ]
+  then
+    echo "STOP: The MicroSD card is too small."
+    exit 1
+  fi
+  
+  echo "There is sufficient space available."
+}
 
-cp /boot/cmdline.txt ~
-cat ~/cmdline.txt | sed 's/[[:space:]]\+modules-load=[^ [:space:]]\+//' | sed 's/rootwait/rootwait modules-load=dwc2/' > /boot/cmdline.txt
-rm ~/cmdline.txt
+function fix_cmdline_txt_modules_load () 
+{
+  echo "Fixing the modules-load parameter in /boot/cmdline.txt..."
+  cp /boot/cmdline.txt ~
+  cat ~/cmdline.txt | sed 's/[[:space:]]\+modules-load=[^ [:space:]]\+//' | sed 's/rootwait/rootwait modules-load=dwc2/' > /boot/cmdline.txt
+  rm ~/cmdline.txt
+  echo "Fixed cmdline.txt."
+}
 
-mkdir /mnt/archive
+BACKINGFILES_MOUNTPOINT=/backingfiles
 
-echo "" >> /etc/fstab
-echo "//$archiveserverip/$sharename /mnt/archive cifs vers=3,credentials=/root/.teslaCamArchiveCredentials,iocharset=utf8,file_mode=0777,dir_mode=0777 0" >> /etc/fstab
+function create_usb_drive_backing_files () {
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles-partition.sh
+  chmod +x ./create-backingfiles-partition.sh
+  ./create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT"
+  
+  echo "Mounting the partition for the backing files..."
+  mount /backingfiles
+  echo "Mounted the partition for the backing files."
+  
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles.sh
+  chmod +x ./create-backingfiles.sh
+  ./create-backingfiles.sh "$AVAILABLE_SPACE" "$campercent" "$BACKINGFILES_MOUNTPOINT" 
+}
 
-echo "username=$shareuser" > /root/.teslaCamArchiveCredentials
-echo "password=$sharepassword" >> /root/.teslaCamArchiveCredentials
+function configure_archive () {
+  echo "Configuring the archive..."
+  mkdir /mnt/archive
+  local archive_server_ip_address="$(getent hosts $archiveserver | cut -d' ' -f1)"
+  echo "//$archive_server_ip_address/$sharename /mnt/archive cifs vers=3,credentials=/root/.teslaCamArchiveCredentials,iocharset=utf8,file_mode=0777,dir_mode=0777 0" >> /etc/fstab
+  
+  echo "username=$shareuser" > /root/.teslaCamArchiveCredentials
+  echo "password=$sharepassword" >> /root/.teslaCamArchiveCredentials
+  echo "Configured the archive."
+}
 
-mkdir /root/bin
+function configure_archive_scripts () {
+  echo "Configuring the archive scripts..."
+  mkdir /root/bin
+  
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/archiveloop
+  sed s/ARCHIVE_HOST_NAME=archiveserver/ARCHIVE_HOST_NAME=$archiveserver/ ~/archiveloop > /root/bin/archiveloop
+  rm ~/archiveloop
+  chmod +x /root/bin/archiveloop
+  
+  pushd /root/bin
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/archive-teslacam-clips
+  chmod +x archive-teslacam-clips
+  popd
+  echo "Configured the archive scripts."
+}
 
-wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/archiveloop
-sed s/ARCHIVE_HOST_NAME=archiveserver/ARCHIVE_HOST_NAME=$archiveserver/ ~/archiveloop > /root/bin/archiveloop
-rm ~/archiveloop
-chmod +x /root/bin/archiveloop
-
-pushd /root/bin
-wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/archive-teslacam-clips
-chmod +x archive-teslacam-clips
-popd
-
-echo "#!/bin/bash -eu" > ~/rc.local
-tail -n +2 /etc/rc.local | sed '$d' >> ~/rc.local
+function configure rc_local () {
+  echo "Configuring /etc/rc.local to run the archive scripts at startup..."
+  echo "#!/bin/bash -eu" > ~/rc.local
+  tail -n +2 /etc/rc.local | sed '$d' >> ~/rc.local
 cat << 'EOF' >> ~/rc.local
 LOGFILE=/tmp/rc.local.log
 
@@ -97,26 +113,49 @@ log "All done"
 exit 0
 EOF
 
-cat ~/rc.local > /etc/rc.local
-rm ~/rc.local
+  cat ~/rc.local > /etc/rc.local
+  rm ~/rc.local
+  echo "Configured rc.local."
+}
 
-cam_disk_size="$(( $available_space * $campercent / 100 ))"
-cam_disk_file_name="/cam_disk.bin"
-add_drive "cam" "CAM" "$cam_disk_size" "$cam_disk_file_name"
+function configure_hostname () {
+  echo "Configuring the hostname..."
+  
+  local new_host_name="teslausb"
+  cp /etc/hosts ~
+  sed 's/raspberrypi/$new_host_name/g' ~/hosts > /etc/hosts
+  
+  cp /etc/hostname ~
+  sed 's/raspberrypi/$new_host_name/g' ~/hostname > /etc/hostname
+  echo "Configured the hostname."
+}
 
-if [ "$campercent" -lt 100 ]
-then
-  musicpercent="$(( 100 - $campercent ))"
-  music_disk_size="$(( $available_space * $musicpercent / 100 ))"
-  music_disk_file_name="/music_disk.bin"
-  add_drive "music" "MUSIC" "$music_disk_size" "$music_disk_file_name"
-  echo "options g_mass_storage file=$cam_disk_file_name,$music_disk_file_name removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > /etc/modprobe.d/g_mass_storage.conf
-else
-  echo "options g_mass_storage file=$cam_disk_file_name removable=1 ro=0 stall=0 iSerialNumber=123456" > /etc/modprobe.d/g_mass_storage.conf
-fi
+echo "Verifying environment variables..."
 
-cp /etc/hosts ~
-sed s/raspberrypi/teslausb/g ~/hosts > /etc/hosts
+check_variable "archiveserver"
+check_variable "sharename"
+check_variable "shareuser"
+check_variable "sharepassword"
+check_variable "campercent"
 
-cp /etc/hostname ~
-sed s/raspberrypi/teslausb/g ~/hostname > /etc/hostname
\ No newline at end of file
+check_archive_server_reachable
+
+AVAILABLE_SPACE="$( parted -m /dev/mmcblk0 u b print free | tail -1 | cut -d ":" -f 4 | sed 's/B//g' )"
+check_available_space "$AVAILABLE_SPACE"
+
+
+pushd ~
+
+fix_cmdline_txt_modules_load
+
+echo "" >> /etc/fstab
+
+create_usb_drive_backing_files
+
+configure_archive
+
+configure_archive_scripts
+
+configure rc_local
+
+configure_hostname
\ No newline at end of file

From aedff01c72a852a1ccd5e690692461e942f441c5 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 20:01:18 -0700
Subject: [PATCH 02/20] Typo in configure_rc_local name.

---
 windows_archive/setup-teslausb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index bf844f1..a083c2e 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -55,6 +55,7 @@ function fix_cmdline_txt_modules_load ()
 BACKINGFILES_MOUNTPOINT=/backingfiles
 
 function create_usb_drive_backing_files () {
+  mkdir "$BACKINGFILES_MOUNTPOINT"
   wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles-partition.sh
   chmod +x ./create-backingfiles-partition.sh
   ./create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT"
@@ -95,7 +96,7 @@ function configure_archive_scripts () {
   echo "Configured the archive scripts."
 }
 
-function configure rc_local () {
+function configure_rc_local () {
   echo "Configuring /etc/rc.local to run the archive scripts at startup..."
   echo "#!/bin/bash -eu" > ~/rc.local
   tail -n +2 /etc/rc.local | sed '$d' >> ~/rc.local
@@ -156,6 +157,6 @@ configure_archive
 
 configure_archive_scripts
 
-configure rc_local
+configure_rc_local
 
 configure_hostname
\ No newline at end of file

From 9c3daa3d9148cd18fb22fc06d1c154f03169353f Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 20:02:42 -0700
Subject: [PATCH 03/20] Remove unnecessary recreation of filesystem on the
 backing files partition.

---
 windows_archive/create-backingfiles-partition.sh | 2 --
 1 file changed, 2 deletions(-)

diff --git a/windows_archive/create-backingfiles-partition.sh b/windows_archive/create-backingfiles-partition.sh
index df41f4f..ebdb198 100644
--- a/windows_archive/create-backingfiles-partition.sh
+++ b/windows_archive/create-backingfiles-partition.sh
@@ -10,6 +10,4 @@ FIRST_BACKINGFILES_PARTITION_SECTOR=$(( $LAST_ROOT_PARTITION_SECTOR + 1 ))
 
 parted -m /dev/mmcblk0 u s mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_SECTOR" 100%
 
-mkfs.ext4 /dev/mmcblk0p3
-
 echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab
\ No newline at end of file

From c0cab4d6246931cc1ff8e9297d46bff76ad26784 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 20:15:46 -0700
Subject: [PATCH 04/20] Correct the space allocation for the baking files.

---
 windows_archive/create-backingfiles.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/windows_archive/create-backingfiles.sh b/windows_archive/create-backingfiles.sh
index a5376b7..7c29783 100644
--- a/windows_archive/create-backingfiles.sh
+++ b/windows_archive/create-backingfiles.sh
@@ -12,7 +12,7 @@ function add_drive () {
   local size="$3"
 
   local filename="$4"
-  fallocate -l "$size"K "$filename"
+  fallocate -l "$size" "$filename"
   mkfs.vfat "$filename" -F 32 -n "$label"
 
   local mountpoint=/mnt/"$name"

From c1e840fa9f7053fc52285878148e48ee3b5418f7 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 20:39:12 -0700
Subject: [PATCH 05/20] Make calculations of backng file size in terms of free
 1k blocks

---
 windows_archive/create-backingfiles.sh | 14 +++++++-------
 windows_archive/setup-teslausb         |  9 +++++----
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/windows_archive/create-backingfiles.sh b/windows_archive/create-backingfiles.sh
index 7c29783..df6cbd2 100644
--- a/windows_archive/create-backingfiles.sh
+++ b/windows_archive/create-backingfiles.sh
@@ -1,8 +1,7 @@
 #!/bin/bash -eu
 
-SPACE_TO_USE="$1"
-CAM_PERCENT="$2"
-BACKINGFILES_MOUNTPOINT="$3"
+CAM_PERCENT="$1"
+BACKINGFILES_MOUNTPOINT="$2"
 
 G_MASS_STORAGE_CONF_FILE_NAME=/etc/modprobe.d/g_mass_storage.conf
 
@@ -12,7 +11,7 @@ function add_drive () {
   local size="$3"
 
   local filename="$4"
-  fallocate -l "$size" "$filename"
+  fallocate -l "$size"K "$filename"
   mkfs.vfat "$filename" -F 32 -n "$label"
 
   local mountpoint=/mnt/"$name"
@@ -21,14 +20,15 @@ function add_drive () {
   echo "$filename $mountpoint vfat noauto,users,umask=000 0 0" >> /etc/fstab
 }
 
-CAM_DISK_SIZE="$(( $SPACE_TO_USE * $CAM_PERCENT / 100 ))"
+FREE_1K_BLOCKS="$(df --output=avail --block-size=1K /backingfiles/ | tail -n 1)"
+
+CAM_DISK_SIZE="$(( $FREE_1K_BLOCKS * $CAM_PERCENT / 100 ))"
 CAM_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/cam_disk.bin"
 add_drive "cam" "CAM" "$CAM_DISK_SIZE" "$CAM_DISK_FILE_NAME"
 
 if [ "$CAM_PERCENT" -lt 100 ]
 then
-  MUSIC_PERCENT="$(( 100 - $CAM_PERCENT ))"
-  MUSIC_DISK_SIZE="$(( $SPACE_TO_USE * $MUSIC_PERCENT / 100 ))"
+  MUSIC_DISK_SIZE="$(df --output=avail --block-size=1K /backingfiles/ | tail -n 1)"
   MUSIC_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/music_disk.bin"
   add_drive "music" "MUSIC" "$MUSIC_DISK_SIZE" "$MUSIC_DISK_FILE_NAME"
   echo "options g_mass_storage file=$CAM_DISK_FILE_NAME,$MUSIC_DISK_FILE_NAME removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > G_MASS_STORAGE_CONF_FILE_NAME
diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index a083c2e..8f6bc0f 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -33,7 +33,9 @@ function check_archive_server_reachable () {
 
 function check_available_space () {
   echo "Verifying that there is sufficient space available on the MicroSD card..."
-  local available_space="$1"
+  
+  local available_space="$( parted -m /dev/mmcblk0 u b print free | tail -1 | cut -d ":" -f 4 | sed 's/B//g' )"
+
   if [ "$available_space" -lt  4294967296 ]
   then
     echo "STOP: The MicroSD card is too small."
@@ -66,7 +68,7 @@ function create_usb_drive_backing_files () {
   
   wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles.sh
   chmod +x ./create-backingfiles.sh
-  ./create-backingfiles.sh "$AVAILABLE_SPACE" "$campercent" "$BACKINGFILES_MOUNTPOINT" 
+  ./create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT" 
 }
 
 function configure_archive () {
@@ -141,8 +143,7 @@ check_variable "campercent"
 
 check_archive_server_reachable
 
-AVAILABLE_SPACE="$( parted -m /dev/mmcblk0 u b print free | tail -1 | cut -d ":" -f 4 | sed 's/B//g' )"
-check_available_space "$AVAILABLE_SPACE"
+check_available_space
 
 
 pushd ~

From fc2a436c7ec38469d263746ca58d8e5453be749f Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Sun, 14 Oct 2018 20:47:32 -0700
Subject: [PATCH 06/20] Fix the setting of the host name.

---
 windows_archive/setup-teslausb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index 8f6bc0f..63962ff 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -126,10 +126,10 @@ function configure_hostname () {
   
   local new_host_name="teslausb"
   cp /etc/hosts ~
-  sed 's/raspberrypi/$new_host_name/g' ~/hosts > /etc/hosts
+  sed "s/raspberrypi/$new_host_name/g" ~/hosts > /etc/hosts
   
   cp /etc/hostname ~
-  sed 's/raspberrypi/$new_host_name/g' ~/hostname > /etc/hostname
+  sed "s/raspberrypi/$new_host_name/g" ~/hostname > /etc/hostname
   echo "Configured the hostname."
 }
 

From 03aa06ddb62d8a2e92e8deb9492104aec5b11553 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Sun, 14 Oct 2018 21:07:02 -0700
Subject: [PATCH 07/20] Reference u/cimryan/readonlyrootfs

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c105a54..ee8361a 100644
--- a/README.md
+++ b/README.md
@@ -136,7 +136,7 @@ Now that you have a shell on the Pi you can turn the Pi into a smart USB drive.
     ```
 1. Run these commands:
     ```
-    wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/setup-teslausb
+    wget https://raw.githubusercontent.com/cimryan/teslausb/u/cimryan/readonlyrootfs/windows_archive/setup-teslausb
     chmod +x setup-teslausb
     ./setup-teslausb
     ```

From ed72f4d8441a7c2c6940cb4089600e01189e5561 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Sun, 14 Oct 2018 21:15:56 -0700
Subject: [PATCH 08/20] Reference u/cimryan/readonlyrootfs

---
 GetShellWithoutMonitorOnWindows.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/GetShellWithoutMonitorOnWindows.md b/GetShellWithoutMonitorOnWindows.md
index d696876..dfc896e 100644
--- a/GetShellWithoutMonitorOnWindows.md
+++ b/GetShellWithoutMonitorOnWindows.md
@@ -14,7 +14,7 @@
 1. Run the following commands:
     ```
     cd ~
-    wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/setup-piForHeadlessConfig.ps1 -OutFile setup-piForHeadlessConfig.ps1
+    wget https://raw.githubusercontent.com/cimryan/teslausb/u/cimryan/readonlyrootfs/windows_archive/setup-piForHeadlessConfig.ps1 -OutFile setup-piForHeadlessConfig.ps1
     ./setup-piForHeadlessConfig.ps1 -Verbose
     ```
 1. Enter the single letter of the "boot" drive and press Enter.

From d2aa8357aa1f7726a1762824bfa9968ec4c25f47 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Sun, 14 Oct 2018 21:49:18 -0700
Subject: [PATCH 09/20] Add logging for fallocate call

---
 windows_archive/create-backingfiles.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/windows_archive/create-backingfiles.sh b/windows_archive/create-backingfiles.sh
index df6cbd2..67f8366 100644
--- a/windows_archive/create-backingfiles.sh
+++ b/windows_archive/create-backingfiles.sh
@@ -11,6 +11,7 @@ function add_drive () {
   local size="$3"
 
   local filename="$4"
+  echo "Allocating ${size}K for $filename..."
   fallocate -l "$size"K "$filename"
   mkfs.vfat "$filename" -F 32 -n "$label"
 

From 012c4e225cf13b3014abebd57a1e8fe36695a118 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Sun, 14 Oct 2018 22:21:16 -0700
Subject: [PATCH 10/20] Create the file system after creating the partition for
 the backing files

If there already happened to be a filesystem there is must be overwritten.
---
 windows_archive/create-backingfiles-partition.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/windows_archive/create-backingfiles-partition.sh b/windows_archive/create-backingfiles-partition.sh
index ebdb198..0fa45c8 100644
--- a/windows_archive/create-backingfiles-partition.sh
+++ b/windows_archive/create-backingfiles-partition.sh
@@ -10,4 +10,6 @@ FIRST_BACKINGFILES_PARTITION_SECTOR=$(( $LAST_ROOT_PARTITION_SECTOR + 1 ))
 
 parted -m /dev/mmcblk0 u s mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_SECTOR" 100%
 
-echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab
\ No newline at end of file
+mkfs.ext4 -F /dev/mmcblk0p3
+
+echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab

From 610613d7b3f9fc175448863a462e5cec8c0fecfc Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Mon, 15 Oct 2018 07:20:44 -0700
Subject: [PATCH 11/20] Update the partition Ids in /etc/fstab and
 /boot/cmdline.txt after modifying partitions with parted

Parted changes the disk Ids, rendering the Pi unbootable without this step.
---
 windows_archive/create-backingfiles-partition.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/windows_archive/create-backingfiles-partition.sh b/windows_archive/create-backingfiles-partition.sh
index 0fa45c8..e8b7013 100644
--- a/windows_archive/create-backingfiles-partition.sh
+++ b/windows_archive/create-backingfiles-partition.sh
@@ -8,8 +8,15 @@ LAST_ROOT_PARTITION_SECTOR=$(echo "$ROOT_PARTITION_LINE" | sed 's/s//g' | cut -d
 
 FIRST_BACKINGFILES_PARTITION_SECTOR=$(( $LAST_ROOT_PARTITION_SECTOR + 1 ))
 
+ORIGINAL_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
+
 parted -m /dev/mmcblk0 u s mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_SECTOR" 100%
 
+NEW_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
+
+sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/g" /etc/fstab
+sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/" /boot/cmdline.txt
+
 mkfs.ext4 -F /dev/mmcblk0p3
 
 echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab

From 657efc9f178d26bebc4607f4fd5df0aea983e0f7 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Mon, 15 Oct 2018 14:50:52 -0700
Subject: [PATCH 12/20] Fix creation of g_mass_storage.conf

---
 windows_archive/create-backingfiles.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/windows_archive/create-backingfiles.sh b/windows_archive/create-backingfiles.sh
index 67f8366..a406df4 100644
--- a/windows_archive/create-backingfiles.sh
+++ b/windows_archive/create-backingfiles.sh
@@ -32,7 +32,7 @@ then
   MUSIC_DISK_SIZE="$(df --output=avail --block-size=1K /backingfiles/ | tail -n 1)"
   MUSIC_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/music_disk.bin"
   add_drive "music" "MUSIC" "$MUSIC_DISK_SIZE" "$MUSIC_DISK_FILE_NAME"
-  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME,$MUSIC_DISK_FILE_NAME removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > G_MASS_STORAGE_CONF_FILE_NAME
+  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME,$MUSIC_DISK_FILE_NAME removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > "$G_MASS_STORAGE_CONF_FILE_NAME"
 else
-  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME removable=1 ro=0 stall=0 iSerialNumber=123456" > G_MASS_STORAGE_CONF_FILE_NAME
+  echo "options g_mass_storage file=$CAM_DISK_FILE_NAME removable=1 ro=0 stall=0 iSerialNumber=123456" > "$G_MASS_STORAGE_CONF_FILE_NAME"
 fi

From a70b752a162369a40c5ffec6fc2d6be7d57eb8bc Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Mon, 15 Oct 2018 22:32:36 -0700
Subject: [PATCH 13/20] Make the root fs readonly during setup.

---
 windows_archive/make-root-fs-readonly.sh | 49 ++++++++++++++++++++++++
 windows_archive/setup-teslausb           | 36 ++++++++++++-----
 2 files changed, 75 insertions(+), 10 deletions(-)
 create mode 100644 windows_archive/make-root-fs-readonly.sh

diff --git a/windows_archive/make-root-fs-readonly.sh b/windows_archive/make-root-fs-readonly.sh
new file mode 100644
index 0000000..1d7882c
--- /dev/null
+++ b/windows_archive/make-root-fs-readonly.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Adapted from https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/master/read-only-fs.sh
+
+function append_cmdline_txt_param() {
+  local toAppend="$1"
+  sed -i "s/\'/ ${toAppend}/g" /boot/cmdline.txt >/dev/null
+}
+
+echo "Updating package index files..."
+apt-get update
+echo "Removing unwanted packages..."
+apt-get remove -y --force-yes --purge triggerhappy logrotate dphys-swapfile fake-hwclock
+apt-get -y --force-yes autoremove --purge
+# Replace log management with busybox (use logread if needed)
+echo "Installing ntp and busybox-syslogd..."
+apt-get -y --force-yes install ntp busybox-syslogd; dpkg --purge rsyslog
+echo "Configuring system..."
+  
+# Add fastboot, noswap and/or ro to end of /boot/cmdline.txt
+append_cmdline_txt_param fastboot
+append_cmdline_txt_param noswap
+append_cmdline_txt_param ro
+
+# Move /var/spool to /tmp
+rm -rf /var/spool
+ln -s /tmp /var/spool
+
+# Change spool permissions in var.conf (rondie/Margaret fix)
+sed -i "s/spool\s*0755/spool 1777/g" /usr/lib/tmpfiles.d/var.conf >/dev/null
+
+# Move dhcpd.resolv.conf to tmpfs
+touch /tmp/dhcpcd.resolv.conf
+rm /etc/resolv.conf
+ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
+
+# Update /etc/fstab
+# make /boot read-only
+# make / read-only
+# tmpfs /var/log tmpfs nodev,nosuid 0 0
+# tmpfs /var/tmp tmpfs nodev,nosuid 0 0
+# tmpfs /tmp     tmpfs nodev,nosuid 0 0
+sed -i -r "s@(/boot\s+vfat\s+\S+)@\1,ro@" /etc/fstab
+sed -i -r "s@(/\s+ext4\s+\S+)@\1,ro@" /etc/fstab
+echo "" >> /etc/fstab
+echo "tmpfs /var/log tmpfs nodev,nosuid 0 0" >> /etc/fstab
+echo "tmpfs /var/tmp tmpfs nodev,nosuid 0 0" >> /etc/fstab
+echo "tmpfs /tmp    tmpfs nodev,nosuid 0 0" >> /etc/fstab
+
diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index 63962ff..e7906ab 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -45,6 +45,17 @@ function check_available_space () {
   echo "There is sufficient space available."
 }
 
+function get_ancillary_setup_scripts () {
+  pushd /tmp
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles-partition.sh
+  chmod +x ./create-backingfiles-partition.sh
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles.sh
+  chmod +x ./create-backingfiles.sh
+  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/make-root-fs-readonly.sh
+  chmod +x ./make-root-fs-readonly.sh
+  popd
+}
+
 function fix_cmdline_txt_modules_load () 
 {
   echo "Fixing the modules-load parameter in /boot/cmdline.txt..."
@@ -58,17 +69,13 @@ BACKINGFILES_MOUNTPOINT=/backingfiles
 
 function create_usb_drive_backing_files () {
   mkdir "$BACKINGFILES_MOUNTPOINT"
-  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles-partition.sh
-  chmod +x ./create-backingfiles-partition.sh
-  ./create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT"
+  /tmp/create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT"
   
   echo "Mounting the partition for the backing files..."
   mount /backingfiles
   echo "Mounted the partition for the backing files."
   
-  wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/create-backingfiles.sh
-  chmod +x ./create-backingfiles.sh
-  ./create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT" 
+  /tmp/create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT" 
 }
 
 function configure_archive () {
@@ -85,11 +92,13 @@ function configure_archive () {
 function configure_archive_scripts () {
   echo "Configuring the archive scripts..."
   mkdir /root/bin
-  
+
+  pushd ~  
   wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/archiveloop
   sed s/ARCHIVE_HOST_NAME=archiveserver/ARCHIVE_HOST_NAME=$archiveserver/ ~/archiveloop > /root/bin/archiveloop
   rm ~/archiveloop
   chmod +x /root/bin/archiveloop
+  popd
   
   pushd /root/bin
   wget https://raw.githubusercontent.com/cimryan/teslausb/"$BRANCH"/windows_archive/archive-teslacam-clips
@@ -133,6 +142,10 @@ function configure_hostname () {
   echo "Configured the hostname."
 }
 
+function make_root_fs_readonly () {
+  /tmp/make-root-fs-readonly.sh
+}
+
 echo "Verifying environment variables..."
 
 check_variable "archiveserver"
@@ -145,9 +158,12 @@ check_archive_server_reachable
 
 check_available_space
 
+get_ancillary_setup_scripts
 
 pushd ~
 
+configure_archive_scripts
+
 fix_cmdline_txt_modules_load
 
 echo "" >> /etc/fstab
@@ -156,8 +172,8 @@ create_usb_drive_backing_files
 
 configure_archive
 
-configure_archive_scripts
-
 configure_rc_local
 
-configure_hostname
\ No newline at end of file
+configure_hostname
+
+make_root_fs_readonly
\ No newline at end of file

From e608ce5c7370017dac0031b1f9d9ba594f85b180 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Tue, 16 Oct 2018 07:21:37 -0700
Subject: [PATCH 14/20] Report success at the end of setup

---
 windows_archive/setup-teslausb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index e7906ab..b20eee1 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -176,4 +176,6 @@ configure_rc_local
 
 configure_hostname
 
-make_root_fs_readonly
\ No newline at end of file
+make_root_fs_readonly
+
+echo "All done."

From 6a3d6f34aed80861ce77bb6a91cc345a370171ef Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Tue, 16 Oct 2018 07:39:05 -0700
Subject: [PATCH 15/20] Instructions for remounting rw if necessary.

---
 README.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/README.md b/README.md
index 85288af..09e1cb0 100644
--- a/README.md
+++ b/README.md
@@ -146,3 +146,17 @@ If you set up the Pi with a keyboard and a monitor disconnect it and connect it
 1. Eject the drives.
 1. Unplug the Pi from the PC.
 1. Plug the Pi into your Tesla.
+
+## Making changes to the system after setup
+The setup process configures the Pi with read-only file systems for the operating system but with read-write access through the USB
+ interface. This means that you'll be able to record dashcam video and add and remove music files but you won't be able to make changes 
+ to files on / or on /boot. This is to protect against corruption of the operating system when the Tesla cuts power to the Pi.
+
+To make changes to the system partitions:
+```
+ssh pi@teslausb.
+sudo -i
+mount / -o remount,rw
+mount /boot -o remount,rw
+```
+Then make whatever changes you need to. The next time the system boots the partitions will once again be read-only.
\ No newline at end of file

From 7dfc9de59cc22649876dfb141bf46953a0c27cef Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@hotmail.com>
Date: Tue, 16 Oct 2018 07:44:53 -0700
Subject: [PATCH 16/20] Update branch references to master after merge.

---
 GetShellWithoutMonitorOnWindows.md | 2 +-
 README.md                          | 2 +-
 windows_archive/setup-teslausb     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/GetShellWithoutMonitorOnWindows.md b/GetShellWithoutMonitorOnWindows.md
index dfc896e..d696876 100644
--- a/GetShellWithoutMonitorOnWindows.md
+++ b/GetShellWithoutMonitorOnWindows.md
@@ -14,7 +14,7 @@
 1. Run the following commands:
     ```
     cd ~
-    wget https://raw.githubusercontent.com/cimryan/teslausb/u/cimryan/readonlyrootfs/windows_archive/setup-piForHeadlessConfig.ps1 -OutFile setup-piForHeadlessConfig.ps1
+    wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/setup-piForHeadlessConfig.ps1 -OutFile setup-piForHeadlessConfig.ps1
     ./setup-piForHeadlessConfig.ps1 -Verbose
     ```
 1. Enter the single letter of the "boot" drive and press Enter.
diff --git a/README.md b/README.md
index 09e1cb0..3d14615 100644
--- a/README.md
+++ b/README.md
@@ -130,7 +130,7 @@ Now that you have a shell on the Pi you can turn the Pi into a smart USB drive.
     ```
 1. Run these commands:
     ```
-    wget https://raw.githubusercontent.com/cimryan/teslausb/u/cimryan/readonlyrootfs/windows_archive/setup-teslausb
+    wget https://raw.githubusercontent.com/cimryan/teslausb/master/windows_archive/setup-teslausb
     chmod +x setup-teslausb
     ./setup-teslausb
     ```
diff --git a/windows_archive/setup-teslausb b/windows_archive/setup-teslausb
index b20eee1..25466a2 100644
--- a/windows_archive/setup-teslausb
+++ b/windows_archive/setup-teslausb
@@ -1,6 +1,6 @@
 #!/bin/bash -eu
 
-BRANCH=u/cimryan/readonlyrootfs
+BRANCH=master
 
 if ! [ $(id -u) = 0 ]
 then

From c87a37fce91750a8d83c48b2ab2b2464180bee2e Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Tue, 16 Oct 2018 17:07:54 -0700
Subject: [PATCH 17/20] Added instruction to remove the init_resize.sh
 invocation

---
 GetShellWitoutMonitorOnLinux.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/GetShellWitoutMonitorOnLinux.md b/GetShellWitoutMonitorOnLinux.md
index faefa01..72c7c41 100644
--- a/GetShellWitoutMonitorOnLinux.md
+++ b/GetShellWitoutMonitorOnLinux.md
@@ -6,3 +6,5 @@ Here are a few ways to accomplish this
 * [Script to setup the Pi for connecting over USB](https://github.com/BigNate1234/rpi-USBSSH)
    * (I.e. First write the OS image to the SD card, then this script will make the changes to the card so you can boot it and access it over the USB cable. 
    * **Assumes the SD card for the Pi is mounted at /Volumes/boot , and that you can use `sh`/`bash`**. This _should_ be the default for a Mac; if using something else, modify the script accordingly.  
+
+Be sure to delete the "init=/usr/lib/raspi-config/init_resize.sh" parameter from cmdline.txt to prevent the os partition from being expanded to fill the drive.

From 20eff04ea8fe9842ed037ddf5490de1fede652ca Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Tue, 16 Oct 2018 17:38:41 -0700
Subject: [PATCH 18/20] Added instruction to delete the init_resize call during
 manual setup

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 3d14615..173eb73 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ There are four phases to setting up the Pi:
    > Note: you don't need to uncompress the zip file you downloaded.
 
 ### Get a shell on the Pi
-If you have a monitor with an hdmi input, a mini hdmi to hdmi cable, a usb keyboard and a micro usb power cable you can hook up the devices to the Pi and configure it directly.
+If you have a monitor with an hdmi input, a mini hdmi to hdmi cable, a usb keyboard and a micro usb power cable you can hook up the devices to the Pi and configure it directly. Before you start those steps, ensure that the MicroSD card is in your computer and edit the cmdline.txt file to delete the parameter " init=/usr/lib/raspi-config/init_resize.sh".
 1. Insert the MicroSD card into the Pi.
 1. Connect the keyboard, and monitor to the Pi.
 1. Connect the power supply to the Pi using the port labeld "PWR" on the circuitboard.
@@ -159,4 +159,4 @@ sudo -i
 mount / -o remount,rw
 mount /boot -o remount,rw
 ```
-Then make whatever changes you need to. The next time the system boots the partitions will once again be read-only.
\ No newline at end of file
+Then make whatever changes you need to. The next time the system boots the partitions will once again be read-only.

From 8a1786e4c59a8eeebbaacd793a63914d8aabfbe6 Mon Sep 17 00:00:00 2001
From: cimryan <cimryan@users.noreply.github.com>
Date: Tue, 16 Oct 2018 20:42:36 -0700
Subject: [PATCH 19/20] Added instruction to delete .ssh\known_hosts

---
 GetShellWithoutMonitorOnWindows.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/GetShellWithoutMonitorOnWindows.md b/GetShellWithoutMonitorOnWindows.md
index d696876..efd24ab 100644
--- a/GetShellWithoutMonitorOnWindows.md
+++ b/GetShellWithoutMonitorOnWindows.md
@@ -29,6 +29,7 @@
     ```
     ssh pi@raspberrypi.local
     ```
+    > Note: If you receive an error indicating that the host id has changed and you can't work around it you'll need to delete the ~\\.ssh\known_hosts file. You're especially likely to encounter this error if you're following these instructions for a second time.
 1. If you get an "unknown host" error message install Bonjour: https://support.apple.com/kb/DL999 and go back to step 15.
 1. You should be prompted for the password for the user "pi". Enter
     ```

From efbbe0c7190aa173a7c3f498d063d20302db6157 Mon Sep 17 00:00:00 2001
From: Richard Goodwin <github@richardgoodwin.com>
Date: Wed, 17 Oct 2018 09:11:07 -0500
Subject: [PATCH 20/20] Merging upstream master

---
 .DS_Store | Bin 0 -> 6148 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 .DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..ad3d1f64d179c06c9343837bf0549eb3f12b7263
GIT binary patch
literal 6148
zcmeHK!A=`75FIBec!jFufJBbIaLXZ4pq!9aAso0>S_B6`VV8}_O6fYvZdlPYXn&*p
zQNN(S!;I}jM4{@Xs!BB@jo)}YW5>^tXAJ<NH;X#}4FHg+gcT2)H-yGXH>Bb`gu=|B
zp@0kq5W;jLnjQZl19WzEJhcQ;h~f45-N6XG4={|1Y!Z!igpog@$vDaKcKfHORBIo$
zwxyIi@}s;7M!E>{FrQ_;aC$|(&tX1_oPDnKcx8vtMKUY~jolNS=3$Z!rzSaxhZu5w
znWV8UdU}?|nVBcB1D@weZ_sGY=iP3nrMicmMN7?(j@m7C(EYSncye#Qb9{FD<?-wM
z+v4fF<yzq1(n#Im5}wic&9)zcX*$;FJw`5PS!Odb1Iz$3@Xi@<*P7gU=lkHF&kQgF
zf1Uxl9~3H~@36FJt`2PI^O44Dgd}LwTY^wI^c|KKaRf!!R79I9+!I6Cbo471=Q}Jd
z+H??RWt_*YEZhr4nAOp*OgISNBDc%{GqBD;)pi?H|4)DY{$Eex9y7oU{8tQ!T0iLb
za7(VXZfuTftwOy;C84;|;wl9VQ;IQ`N^uj_2>KNnh`z(pB6?8xL%`6$4Kwgp8F&Fq
C`&eTD

literal 0
HcmV?d00001