리눅스 SWAP SIZE 변경

# sudo swapon -s
Filename                Type        Size    Used    Priority
/swapfile                               file        1048572 0   -1
# sudo swapoff /swapfile
# sudo fallocate -l 4G /swapfile
# sudo mkswap /swapfile
Setting up swapspace version 1, size = 4194300 KiB
no label, UUID=fb0aadaf-b52f-4928-b57f-c60ef7a0bd49
# sudo swapon /swapfile
# sudo swapon -s
Filename                Type        Size    Used    Priority
/swapfile                               file        4194300 0   -1