From 5daddeb0848a1e3f3dfc607b111fdc6cc52186fa Mon Sep 17 00:00:00 2001
From: Craig Jennings <c@cjennings.net>
Date: Fri, 29 Nov 2024 15:23:49 -0600
Subject: avoid hardcoding network interface

---
 init | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/init b/init
index 159fe6a..bf22cd3 100755
--- a/init
+++ b/init
@@ -1,12 +1,21 @@
 #!/bin/sh
+
+# update and install tmux and git
 pacman -Sy --noconfirm
 pacman -S --noconfirm tmux git
-systemctl start sshd
 
+# change the root password
 echo "root:welcome" | chpasswd
+
+# find the hostname from the file
 hostname=$(</etc/hostname)
-ipaddress=$(ip addr show wlan0 | grep 'inet ' | awk '{print $2}' | cut -d/ -f1)
 
+# identify which interface is up, then find the ip address
+interface_up=$(ip addr show | grep "state UP" -B2 | head -n1 | awk '{print $2}' | sed 's/://')
+ipaddress=$(ip addr show $(interface_up) | grep 'inet ' | awk '{print $2}' | cut -d/ -f1)
+
+# start the ssh daemon
+systemctl start sshd
 
 echo ""; echo ""; echo "init complete. "
 echo "you may ssh root@$hostname or ssh root@$ipaddress using the password 'welcome'"
-- 
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