commit 47f761a3e756d09d43de210944726837a49a00b2
Author: Leo <1+diablo@noreply.localhost>
Date:   Sat Oct 10 01:13:30 2026 +0800

    Add check-host.sh

diff --git a/check-host.sh b/check-host.sh
new file mode 100644
index 0000000..8e2a74e
--- /dev/null
+++ b/check-host.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -euo pipefail
+
+: "${TARGET_HOSTS:?TARGET_HOSTS is not configured}"
+: "${SSH_USER:?SSH_USER is not configured}"
+
+for host in $TARGET_HOSTS; do
+    echo "Connecting to $host..."
+
+    ssh \
+        -o BatchMode=yes \
+        -o StrictHostKeyChecking=accept-new \
+        "$SSH_USER@$host" \
+        'hostname'
+done
\ No newline at end of file