diff --git a/wiki/linux/voicechat.md b/wiki/linux/voicechat.md
new file mode 100644
index 0000000..2dfd325
--- /dev/null
+++ b/wiki/linux/voicechat.md
@@ -0,0 +1,9 @@
+# Voicechat
+
+There is various software to use to chat with other persons.
+
+## Noise cancellation
+
+Noise cancellation can be achieved by installing
+[Noisetorch](https://github.com/lawl/NoiseTorch).
+After the installation modify the `Voice Activation Threshhold` to your needs.
diff --git a/wiki/linux/x11.md b/wiki/linux/x11.md
index 56480d5..ae876e9 100644
--- a/wiki/linux/x11.md
+++ b/wiki/linux/x11.md
@@ -21,4 +21,17 @@ Section "Device"
 EndSection
 ```
 
-This was found on [maketecheasier](https://www.maketecheasier.com/get-rid-screen-tearing-linux).
+This was found on
+[maketecheasier](https://www.maketecheasier.com/get-rid-screen-tearing-linux).
+
+## Disable Screen Blanking
+
+To save power the screen is set to turn black after a given amount of time.
+This can be disabled temporarily by running `xset s off` or permanently by
+adding the following lines to your `/etc/X11/xorg.conf`:
+
+```txt
+Section "ServerFlags"
+    Option "BlankTime" "0"
+EndSection
+```