How to create swap partition.
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1> create partition using normal method fdisk OR cfdisk
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2> change partition type to swap (82)
#cfdisk /dev/sda
-select free space and create partition.
-type tab change 82 ( swap)
-write
-quit
#partx -a /dev/sda
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3> format partition as swap
#mkswap /dev/sda 9
Note : if this command give error then reboot the server.
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4> copy UUID of that partion.
#blkid /dev/sda9
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5> make entry in /etc/fstab
#vim /etc/fstab
UUID=” ” swap/none swap defaults 0 0
:wq
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6> mount -a
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You can verify new swap size using
#free -m
OR
#swapon -s
Note : if not show new size run command “#swapon -a “.
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