Increasing the swap space and Temporary Space on RHEL4!!

How can i increase the swap space and temporary space of pre-installed linux in Red Hat Enterprise Linux 4?
aman_grevalAsked:
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ibu1System AdministratorCommented:
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ygouthamCommented:
do the following

dd if=/dev/zero  of=/swapfile  bs=1024 count=1024576

This creates a swapfile in / path with the size of 1024*1024

mkswap /swapfile
swapon /swapfile

this creates a swap area equivalent of 1000 MB in size.  to increase this permanently you need to add the entry in fstab as well.

add the following line to you /etc/fstab file

/swapfile               swap                    swap    defaults        0 0

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http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/custom-guide/s1-swap-adding.html
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nociSoftware EngineerCommented:
Be aware though that above solutions might result in poor performance if
the swap area gets fragmented over the disk.
If you have a spare space (unpartitioned) on your disk that try to use that.
If the disk is LVM managed to to add a new LVM partition.
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