upgrade ram

[rodrigo morales]

hello
I am going to update my ram
I have 512 mb and I am going it to increase to 1024 mb (1gb)
in swap now I have 1024 mb (1gb)
As I can update or change the partition of swap so that mb has 2048 (2 gb)?
It is necessary that my ram raises to the partition swap when updating?
exists some command or some form to modify the space of swap?

Greetings
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