Solution after swap partition is lost in Ubuntu

Cause: Use Dynamic partitioning software to redivide Ubuntu partitions. Added/AND/home and swap capacity. Re-enter Ubuntu, swap partition is lost, and sleep cannot be performed. Solution: sudomkswap/dev/sdaX # X indicates the number of the swap partition (some computers may be hdaX). Edit the UUID/etc/fstab and change the UUID of the swap segment to the new UUID, restart.

Cause: Use Dynamic partitioning software to redivide Ubuntu partitions. Added/AND/home and swap capacity. Re-enter Ubuntu, swap partition is lost, and sleep cannot be performed.

Solution: sudo mkswap/dev/sdaX # X indicates the number of the swap partition (some computers may be hdaX)

Record UUID

Edit/etc/fstab, change the UUID of the swap segment to the new UUID, and restart.