###Create Swap based on File###
Features:
1. The ability to provision
swap space based on a file, similar to pagefile.sys in
Windows NT, etc., if you
have no available disk space to partition.
2. Doesn't waste partitions
Task:
1. Create 512MB swap file
a. dd if=/dev/zero
of=/home1/swapfile1 bs=1024 count=524288
b. mkswap /home1/swapfile1 -
overlays swap file system
c. swapon /home1/swapfile1 -
makes swap space avaialable to the kernel
2. Ensure that when the
system reboots, the swapfile is made avialable to the
kernel
a. nano /etc/fstab -
/home1/swapfile1 swap swap defaults 0 0
3. Create 2GB swap file
a. dd if=/dev/zero
of=/home1/swapfile2 count=2G
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