X-Git-Url: https://git.madduck.net/code/vinst.git/blobdiff_plain/10cac4edfc25c11d66c0950c22371c2f7a3fe615..d0c115dd764b56f005827e7df010af8f21d85e22:/preseed/jessie/commands/late_commands.d/enable_serial_console

diff --git a/preseed/jessie/commands/late_commands.d/enable_serial_console b/preseed/jessie/commands/late_commands.d/enable_serial_console
index 09f8acb..47768c0 100755
--- a/preseed/jessie/commands/late_commands.d/enable_serial_console
+++ b/preseed/jessie/commands/late_commands.d/enable_serial_console
@@ -1,9 +1,15 @@
 #!/bin/sh
 echo "Enabling the serial console..."
-#683124 requires the cmdline patch, and #444026 is for GRUB_TERMINAL:
-sed -i -e '/^GRUB_CMDLINE_LINUX=/s/"$/ console=tty0 console=ttyS0,115200n8&/' \
-       -e '/^GRUB_CMDLINE_LINUX=/s/=" /="/' \
-       -e '/^GRUB_TERMINAL=/s/serial/"& console"/' \
-       /etc/default/grub
-update-grub
-sed -i '/ttyS0/s/^#//;/ttyS0/s/9600 vt100/115200 linux/' /etc/inittab
+if [ -f /etc/default/grub ]; then
+  #683124/#769406 requires the cmdline patch, and #444026 is for GRUB_TERMINAL:
+  sed -i -e '/^GRUB_CMDLINE_LINUX=/s/"$/ console=tty0 console=ttyS0,115200n8&/' \
+        -e '/^GRUB_CMDLINE_LINUX=/s/=" /="/' \
+        -e '/^GRUB_TERMINAL=/s/serial/"& console"/' \
+        /etc/default/grub
+  update-grub
+fi
+if [ -f /etc/inittab ]; then
+  sed -i '/ttyS0/s/^#//;/ttyS0/s/9600 vt100/115200 linux/' /etc/inittab
+else
+  echo "Not setting up a TTY on the serial port, presumably systemd will..."
+fi