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Changes
→vmguarpages
are limited by the physical resources of the computer — the size of RAM
and the swap space — as discussed in [[UBC systemwide configuration]].
The most intuitive way to set the amount of guaranteed RAM is to multiply by 256.
<pre>
# vzctl set 100 --vmguarpages $((256 * 512)) --save
</pre>
This sets the VE 100 with 512 megabytes of RAM.