diff --git a/knowledge base/arch linux.md b/knowledge base/arch linux.md
index 5f44ba4..91fecfe 100644
--- a/knowledge base/arch linux.md	
+++ b/knowledge base/arch linux.md	
@@ -1,7 +1,17 @@
 # Arch linux
 
+```sh
+# Manually install packages from the AUR.
+git clone https://aur.archlinux.org/jdupes.git \
+&& cd jdupes \
+&& makepkg -sirc
+&& git clean -dfX
+```
+
 ## Further readings
 
 - [Suspend and hibernate]
+- [Arch User Repository]
 
-[Suspend and hibernate]: https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate
+[arch user repository]: https://wiki.archlinux.org/title/Arch_User_Repository
+[suspend and hibernate]: https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate