添加 simpleadmin/console/menu/change_hostname.sh

simpleadmin/console/menu/change_hostname.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Function to remount file system as read-write
+remount_rw() {
+    mount -o remount,rw /
+}
+
+# Function to remount file system as read-only
+remount_ro() {
+    mount -o remount,ro /
+}
+
+# Display current hostname
+current_hostname=$(cat /etc/hostname)
+echo -e "\033[0;32mCurrent hostname: $current_hostname\033[0m"
+
+# Prompt for new hostname
+echo -e "\033[0;32mEnter new hostname (or 'exit' to cancel):\033[0m"
+read new_hostname
+
+if [ "$new_hostname" = "exit" ]; then
+    echo -e "\033[0;31mHostname change cancelled.\033[0m"
+    exit 0
+fi
+
+# Validate hostname format
+if ! echo "$new_hostname" | grep -qE '^[a-zA-Z0-9-]+$'; then
+    echo -e "\033[0;31mInvalid hostname. Hostname can only contain letters, numbers, and hyphens.\033[0m"
+    exit 1
+fi
+
+# Change hostname
+remount_rw
+echo "$new_hostname" > /etc/hostname
+sed -i "s/127.0.1.1.*$/127.0.1.1\t$new_hostname/g" /etc/hosts
+hostname "$new_hostname"
+remount_ro
+
+echo -e "\033[0;32mHostname has been changed to: $new_hostname\033[0m"
+echo -e "\033[0;33mPlease reboot the device for the change to take full effect.\033[0m"