View source for Ubuntu Linux Virtual Memory Swappiness

To find out your current level
<pre>
cat /proc/sys/vm/swappiness
</pre>

To change it:
Edit:
<pre>
sudo gedit /etc/sysctl.conf
</pre>
and add line
<pre>
sudo vm.swappiness = 15
</pre>
Low values are better - 10,15 etc. Requires reboot.

To change current running:
<pre>
sudo sysctl vm.swappiness=15
</pre>

then:
<pre>
sudo swapoff -a
sudo swapon -a
</pre>