From 3fc45acbd2a171a5607ab67240b13351232fc1a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carl-Gerhard=20Lindesva=CC=88rd?= <lindesvard@gmail.com>
Date: Thu, 12 Feb 2026 21:56:28 +0000
Subject: [PATCH] public: update article

---
 .../articles/how-to-secure-ubuntu-server.mdx       |  1 +
 apps/public/src/app/sitemap.ts                     | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/apps/public/content/articles/how-to-secure-ubuntu-server.mdx b/apps/public/content/articles/how-to-secure-ubuntu-server.mdx
index 73a089d3..7a9f9d66 100644
--- a/apps/public/content/articles/how-to-secure-ubuntu-server.mdx
+++ b/apps/public/content/articles/how-to-secure-ubuntu-server.mdx
@@ -4,6 +4,7 @@ description: Learn essential steps to secure your Ubuntu server, including user
 tag: Hosting
 team: OpenPanel Team
 date: 2024-11-14
+updated: 2026-02-12
 cover: /content/secure-server.jpg
 ---
 
diff --git a/apps/public/src/app/sitemap.ts b/apps/public/src/app/sitemap.ts
index 1de8ca41..50c9f109 100644
--- a/apps/public/src/app/sitemap.ts
+++ b/apps/public/src/app/sitemap.ts
@@ -69,6 +69,18 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
       changeFrequency: 'monthly',
       priority: 0.3,
     },
+    {
+      url: url('/tools/ip-lookup'),
+      lastModified: new Date(),
+      changeFrequency: 'monthly',
+      priority: 0.5,
+    },
+    {
+      url: url('/tools/url-checker'),
+      lastModified: new Date(),
+      changeFrequency: 'monthly',
+      priority: 0.5,
+    },
     ...articles.map((item) => ({
       url: url(item.url),
       lastModified: item.data.date,
@@ -77,7 +89,7 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
     })),
     ...guides.map((item) => ({
       url: url(item.url),
-      lastModified: item.data.date,
+      lastModified: item.data.updated ?? item.data.date,
       changeFrequency: 'monthly' as const,
       priority: 0.5,
     })),