diff --git a/homepage/index.html b/homepage/index.html
index 471975e..33a4ac0 100644
--- a/homepage/index.html
+++ b/homepage/index.html
@@ -83,10 +83,9 @@ I'm vaccinated against COVID-19. Are you?
 <A HREF="#privacy"    >#privacy</A>,
 <A HREF="thegame"     >/thegame</A>;
 <B>knowledge</B>:
-<A HREF="knowledge/alpine"      >alpine</A>,
 <A HREF="knowledge/cat/"        >cat(1)</A>,
 <A HREF="knowledge/cryptography">cryptography</A>,
-<A HREF="knowledge/postmarketos">postmarketOS</A>,
+<A HREF="knowledge/linux"       >linux</A>,
 <A HREF="knowledge/netbsd/"     >NetBSD</A>,
 <A HREF="knowledge/true"        >true(1)</A>,
 <A HREF="knowledge/x200t"       >X200T</A>;
diff --git a/homepage/knowledge/alpine.html b/homepage/knowledge/linux.html
similarity index 100%
rename from homepage/knowledge/alpine.html
rename to homepage/knowledge/linux.html