diff --git a/_posts/2021-12-04-tips-swap.md b/_posts/2021-12-04-tips-swap.md
index 3db79c6..2a256c0 100644
--- a/_posts/2021-12-04-tips-swap.md
+++ b/_posts/2021-12-04-tips-swap.md
@@ -2,6 +2,7 @@
 title: Swap 領域
 categories:
   - Tips
+  - Linux
 tags:
   - Linux
 ---
diff --git a/_posts/2021-12-04-tips-touch-panel.md b/_posts/2021-12-04-tips-touch-panel.md
index 9aa4203..b160aaa 100644
--- a/_posts/2021-12-04-tips-touch-panel.md
+++ b/_posts/2021-12-04-tips-touch-panel.md
@@ -1,6 +1,7 @@
 ---
 title: タッチパネル
 categories:
+  - Tips
   - Linux
 tags:
   - Linux
diff --git a/_posts/2021-12-04-tips-usb-ethernet-gadget.md b/_posts/2021-12-04-tips-usb-ethernet-gadget.md
index 15d610b..af65148 100644
--- a/_posts/2021-12-04-tips-usb-ethernet-gadget.md
+++ b/_posts/2021-12-04-tips-usb-ethernet-gadget.md
@@ -1,6 +1,7 @@
 ---
 title: USB Ethernet Gadget
 categories:
+  - Tips
   - Linux
 tags:
   - Linux
diff --git a/_posts/2021-12-04-tips-web-browser.md b/_posts/2021-12-04-tips-web-browser.md
index bc0cc4f..f28ca57 100644
--- a/_posts/2021-12-04-tips-web-browser.md
+++ b/_posts/2021-12-04-tips-web-browser.md
@@ -1,6 +1,7 @@
 ---
 title: Web ブラウザ
 categories:
+  - Tips
   - Linux
 tags:
   - Linux