From 7121eee2adb36cabb4f040e5f9d2477971705a9e Mon Sep 17 00:00:00 2001
From: sky <cure-angled-rewrap@duck.com>
Date: Fri, 13 Dec 2024 19:40:05 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20simpleadmin/console/menu/c?=
 =?UTF-8?q?hange=5Fhostname.sh?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 simpleadmin/console/menu/change_hostname.sh | 40 +++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 simpleadmin/console/menu/change_hostname.sh

diff --git a/simpleadmin/console/menu/change_hostname.sh b/simpleadmin/console/menu/change_hostname.sh
new file mode 100644
index 0000000..a3c3b4d
--- /dev/null
+++ b/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" 
\ No newline at end of file