diff --git a/pages/projects.feedfarm.hardware.howtos.md b/pages/projects.feedfarm.hardware.howtos.md
index 8fb0777..1d7e3c8 100644
--- a/pages/projects.feedfarm.hardware.howtos.md
+++ b/pages/projects.feedfarm.hardware.howtos.md
@@ -1,4 +1,15 @@
 # How tos
 
 ## monitoring
-https://github.com/Syllo/nvtop
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+https://github.com/Syllo/nvtop
+
+### powerstats
+- https://manpages.ubuntu.com/manpages/xenial/man8/powerstat.8.html
+- https://github.com/rouvoy/powerapi
+
+## various 
+### system to ssd?
+https://askubuntu.com/questions/40372/how-to-move-ubuntu-to-an-ssd
+
+### various rams
+https://www.quora.com/Can-I-use-8GB-RAM-together-with-4GB-RAM
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