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Extend swap file on Ubuntu

Sometimes happen that you need to extend the swap space on your system, so it happens to me when i tried to install Oracle10ex on my ubuntu system.
So i found the solution on this ubuntu forum : http://ubuntuforums.org/showthread.php?t=89782

To extend the swap file to 1gb :

First, create a large empty file:

Code:

Replace 1000 with the size of the swap file desired, in MB. You can also put the swap_file in a different location if desired.

Next, we’ll secure the swapspace, so ordinary users cannot read the contents (potential security breach):

Code:

Then, turn it into swap space:

Code:

Next, turn it on:

Code:

To make it turn on at every bootup, open up /etc/fstab:

Code:

Add this line to the end of the file:

Code:

I know that this article is only a copy of a forum but only for more simple search and report.

bye

ivan

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