Universal way of detecting internal ip

scripts/configure.sh

@@ -24,8 +24,8 @@ LSB="$(lsb_release -is)"
 systemctl start docker.service
 systemctl enable docker.service
 
-# If we are on Arch
 # if [[ "${LSB}" == "Arch" ]]; then
+#   sudo "${ROOT_FOLDER}"/scripts/pacapt -S hostname -y
 # fi
 
 # Create configured status

scripts/start.sh

@@ -55,7 +55,10 @@ fi
 ROOT_FOLDER="$($readlink -f $(dirname "${BASH_SOURCE[0]}")/..)"
 STATE_FOLDER="${ROOT_FOLDER}/state"
 SED_ROOT_FOLDER="$(echo $ROOT_FOLDER | sed 's/\//\\\//g')"
-INTERNAL_IP="$(hostname -I | awk '{print $1}')"
+
+NETWORK_INTERFACE="$(ip route | grep default | awk '{print $5}')"
+INTERNAL_IP="$(ip addr show "${NETWORK_INTERFACE}" | grep "inet " | awk '{print $2}' | cut -d/ -f1)"
+# INTERNAL_IP="$(hostname -I | awk '{print $1}')"
 DNS_IP=9.9.9.9 # Default to Quad9 DNS
 ARCHITECTURE="$(uname -m)"
 
@@ -159,7 +162,10 @@ echo "Running system-info.sh..."
 bash "${ROOT_FOLDER}/scripts/system-info.sh"
 
 # Add crontab to run system-info.sh every minute
-! (crontab -l | grep -q "${ROOT_FOLDER}/scripts/system-info.sh") && (crontab -l; echo "* * * * * ${ROOT_FOLDER}/scripts/system-info.sh") | crontab -
+! (crontab -l | grep -q "${ROOT_FOLDER}/scripts/system-info.sh") && (
+  crontab -l
+  echo "* * * * * ${ROOT_FOLDER}/scripts/system-info.sh"
+) | crontab -
 
 ## Don't run if config-only
 if [[ ! $ci == "true" ]]; then