本文介绍如何在Ubuntu系统中修复无法被系统识别的交换分区。通过使用GParted工具重新格式化分区并设置正确的UUID，可以确保系统能够正确利用交换空间，从而提升系统性能。
How to repair the swap partition in Ubuntu
There are situations when, after you just installed Ubuntu and properly configured the partitions, the swap is not recognized, meaning the system doesn't "see" it, so, you can't use that swap partition (the system will not perform as good as it should).
How can we repair it?
first, install GParted
sudo apt-get install gparted
open GParted, and search your swap (it should be named linux-swap or unknown) or choose a different partitions (like, for instance, you just observe a new unused 1/2/3 GB partition)
format the chosen partition (right-click on it-->Format to-->linux-swap)
and Apply All Operations
after this operation is completed, right-click on the new linux-swap-->Information--> and copy the text of the UUID and close GParted
open the terminal and type
sudo gedit /etc/fstab
and paste the copied text next to UUID=, then save
after that, make sure UUID= doesn't have # in front of it
Finally, restart your computer.
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