Enable a swap device

bash

sudo swapon /dev/sdb2

Explanation

Turn on swap after creating it.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Format, Label, and Tune

Inspect active swap devices and priorities.

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Initialize a partition or file as swap.

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Format a partition as ext4.

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Format a partition as XFS.

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Useful for EFI partitions or removable media.

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Assign a human-readable label to an ext filesystem.

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