用这个命令安装吧 sudo apt-get install timeshift

root@hi3798mv100:~# timeshift

Timeshift v20.03 by Tony George (teejeetech@gmail.com)

Syntax:

timeshift --check
timeshift --create [OPTIONS]
timeshift --restore [OPTIONS]
timeshift --delete-[all] [OPTIONS]
timeshift --list-{snapshots|devices} [OPTIONS]

Options:

List:
--list[-snapshots] List snapshots
--list-devices List devices

Backup:
--check Create snapshot if scheduled
--create Create snapshot (even if not scheduled)
--comments <string> Set snapshot description
--tags {O,B,H,D,W,M} Add tags to snapshot (default: O)

Restore:
--restore Restore snapshot
--clone Clone current system
--snapshot <name> Specify snapshot to restore
--target[-device] <device> Specify target device
--grub[-device] <device> Specify device for installing GRUB2 bootloader
--skip-grub Skip GRUB2 reinstall

Delete:
--delete Delete snapshot
--delete-all Delete all snapshots

Global:
--snapshot-device <device> Specify backup device (default: config)
--yes Answer YES to all confirmation prompts
--btrfs Switch to BTRFS mode (default: config)
--rsync Switch to RSYNC mode (default: config)
--debug Show additional debug messages
--verbose Show rsync output (default)
--quiet Hide rsync output
--scripted Run in non-interactive mode
--help Show all options

Examples:

timeshift --list
timeshift --list --snapshot-device /dev/sda1
timeshift --create --comments "after update" --tags D
timeshift --restore
timeshift --restore --snapshot '2014-10-12_16-29-08' --target /dev/sda1
timeshift --delete --snapshot '2014-10-12_16-29-08'
timeshift --delete-all

Notes:

1) --create will always create a new snapshot
2) --check will create a snapshot only if a scheduled snapshot is due
3) Use --restore without other options to select options interactively
4) UUID can be specified instead of device name
5) Default values will be loaded from app config if options are not specified