sudo apt install ecryptfs-utils sudo ecryptfs-setup-swap 此时出现的一些错误提示例如 swapon: cannot open /dev/mapper/cryptswap1
65536 elasticsearch hard nproc 65536 /etc/elasticsearch/jvm.option - 禁用swap #vi /etc/fstab /dev/mapper/cryptswap1
/dev/mapper/localhost–vg-swap_1: 191.9 GiB, 206045184000 bytes, 402432000 sectors Disk /dev/mapper/cryptswap1