Hi
On Thu, 17 Nov 2011 22:04:34 -0800, umiwangu
<backuppc-forum AT backupcentral DOT com> wrote:
> Is it possible that the machine doesn't have any swap file? I opened up
> System Monitor, and under Memory and Swap History, memory is generally
> running at 85% (640 Mb), and Swap says 0 bytes of 0 bytes...

        Its possible, but not recommended (even by the kernel guys,
the kernel need at least a few bytes of swap so that some functions
dont fail under memory pressure)

        confirm if you have or not swap by running in the command line:
swapon -s or free

> Should I create a swap file?

        Yes... if you can, add a partition swap, if not, just
dd if=/dev/zero of=/swapfile bs=1M count=1024 to create a file
with 1GB (1024 blocks of 1MB) of size, format it with 
mkswap /swapfile and add it to the fstab and do a swapon /swapfile

        Tune the size for what you want and your free space

        Good luck
higuita
-- 
Naturally the common people don't want war... but after all it is the
leaders of a country who determine the policy, and it is always a 
simple matter to drag the people along, whether it is a democracy, or
a fascist dictatorship, or a parliament, or a communist dictatorship.
Voice or no voice, the people can always be brought to the bidding of
the leaders. That is easy. All you have to do is tell them they are 
being attacked, and denounce the pacifists for lack of patriotism and
exposing the country to danger.  It works the same in every country.
           -- Hermann Goering, Nazi and war criminal, 1883-1946

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