Create a new swap partition:
fdisk /dev/sdb 1. press n to create a new disk partition, 2. press p to create a primary disk partition, 3. press 1 to denote it as 1st disk partition 4. press ENTER twice to accept the default of 1st and last cylinder – to convert the whole secondary hard disk to a single disk partition 5. press t (will automatically select the only partition – partition 1) to change the default Linux partition type to swap 82 6. press L to list all the currently supported partition type 7. press 82 (as per the L listing) to change partition 1 to 82 for Linux swap partition type 8. press p to display the secondary hard disk partition setup (1st partition is denoted as /dev/sdb1 in Linux) 9. press w to write the partition table and exit fdisk upon completion. # mkswap /dev/sdb1 # swapon -av ---- activate all swap # swapon -s ---- show active swap # vi /etc/fstab and add the following line: /dev/sdb2 swap swap defaults 0 0 After modifying the fstab, always check if everything is mounting fine with : # mount -a