Added ncdu

index.md

@@ -15,8 +15,6 @@ permalink: /
 * [LXD](lxd.md)
 * [Mastodon](mastodon.md)
 
-<!-- * [Debian](debian.md)-->
-
 Other:
 
 * [PowerDNS](powerdns.md)
@@ -60,6 +58,12 @@ Other:
 
 ## Useful tools
 
+#### Linux utilities
+
+* [ncdu](http://dev.yorhel.nl/ncdu/) ([debian `ncdu`](https://packages.debian.org/stretch/ncdu))
+
+#### Web utilities
+
 * [uptime.is](https://uptime.is/) - Uptime calculator
 * [carbon](https://carbon.now.sh/) - Create and share beautiful images of your source code