Solved: How to add swap space in Redhat or Ubuntu Linux

In this post  we will see how we can add a file as swap space in Linux. Same steps are to be followed for Redhat and Ubuntu Linux.

Type the following command to create 100MB swap file (1024 * 100MB = 102400 block size):

dd if=/dev/zero of=/swap1 bs=1024 count=102400

Secure swap file

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How to add logical volume for swap in Redhat Linux

In our last post we have seen how to add a file for swap space.

In this post we will see how to add a LVM2 Logical Volume as swap.

Here we have a VG name VG1 in which we will create a volume LV1 of 1GB.

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# lvcreate VG1 -n LV1 -L 1G

Format the new swap space using mkswap:

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