avoid hardcoding network interface

1 files 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'"