From e4a2af6ae7363a2c5124397f6f3616fcf2509e79 Mon Sep 17 00:00:00 2001
From: Mariusz Kogen <k0gen@pm.me>
Date: Sat, 23 Nov 2024 12:32:52 +0100
Subject: [PATCH] Add serial console support for headless operation (#2790)

* implement serial console support
* customize local and remote login prompt
---
 debian/postinst | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/debian/postinst b/debian/postinst
index 0db121c56..d20f778a4 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -20,10 +20,15 @@ fi
 update-initramfs -u -k all
 
 if [ -f /etc/default/grub ]; then
-    sed -i '/\(^\|#\)GRUB_CMDLINE_LINUX=/c\GRUB_CMDLINE_LINUX="boot=startos"' /etc/default/grub
+    sed -i '/\(^\|#\)GRUB_CMDLINE_LINUX=/c\GRUB_CMDLINE_LINUX="boot=startos console=ttyS0,115200n8"' /etc/default/grub
     sed -i '/\(^\|#\)GRUB_DISTRIBUTOR=/c\GRUB_DISTRIBUTOR="StartOS v$(cat /usr/lib/startos/VERSION.txt)"' /etc/default/grub
+    sed -i '/\(^\|#\)GRUB_TERMINAL=/c\GRUB_TERMINAL="serial"\nGRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"' /etc/default/grub
 fi
 
+# set local and remote login prompt
+echo "StartOS v$(cat /usr/lib/startos/VERSION.txt) [\m] on \n.local (\l)" > /etc/issue
+echo "StartOS v$(cat /usr/lib/startos/VERSION.txt)" > /etc/issue.net
+
 # change timezone
 rm -f /etc/localtime
 ln -s /usr/share/zoneinfo/Etc/UTC /etc/localtime