Сначала мне нужно добавить эту строку в/etc/fstab
% sudo nano /etc/fstab
UUID=e901452a-b3ea-48d2-acdb-6687fad0be50 /.snapshots btrfs subvol=@/.snapshots 0 0
и смонтируйте его, перезагрузка не требуется.
% sudo mount /.snapshots
Получить текущий снимок
В моем случае ранее у меня был снимок номер 75.
% sudo btrfs subvolume show /
@/.snapshots/45/snapshot
Name: snapshot
UUID: 29d4436b-72d1-f14d-a9e9-f04b70c0ebe0
Parent UUID: efa9f21b-f3b7-3543-9649-3897e083b39d
Received UUID: -
Creation time: 2018-01-03 00:15:01 +0700
Subvolume ID: 355
Generation: 5677
Gen at creation: 3968
Parent ID: 301
Top level ID: 301
Flags: -
Snapshot(s):
@/.snapshots/50/snapshot
@/.snapshots/51/snapshot
и
% sudo btrfs subvolume get-default /
ID 355 gen 5682 top level 301 path @/.snapshots/45/snapshot
снэппер % список sudo snapper
Type | # | Pre # | Date | User | Cleanup | Description | Userdata
-------+----+-------+---------------------------------+------+----------+--------------+--------------
single | 0 | | | root | | current |
single | 3 | | Mon 01 Jan 2018 02:45:03 PM WIB | root | timeline | timeline |
single | 7 | | Mon 01 Jan 2018 04:30:01 PM WIB | root | timeline | timeline |
single | 40 | | Tue 02 Jan 2018 10:15:01 PM WIB | root | timeline | timeline |
single | 41 | | Tue 02 Jan 2018 10:52:35 PM WIB | root | | backup.epsi |
pre | 42 | | Tue 02 Jan 2018 11:01:48 PM WIB | root | number | zypp(zypper) | important=yes
post | 43 | 42 | Tue 02 Jan 2018 11:07:23 PM WIB | root | number | | important=yes
single | 44 | | Tue 02 Jan 2018 11:15:01 PM WIB | root | timeline | timeline |
single | 45 | | Wed 03 Jan 2018 12:15:01 AM WIB | root | timeline | timeline |
pre | 46 | | Wed 03 Jan 2018 12:16:34 AM WIB | root | number | zypp(zypper) | important=no
post | 47 | 46 | Wed 03 Jan 2018 12:19:38 AM WIB | root | number | | important=no
pre | 48 | | Wed 03 Jan 2018 12:47:47 AM WIB | root | number | zypp(zypper) | important=no
post | 49 | 48 | Wed 03 Jan 2018 12:48:10 AM WIB | root | number | | important=no
...
Решаю вернуться к 45.
Идентификатор BTRFS
% sudo btrfs subvolume list -a /
ID 257 gen 4804 top level 5 path <FS_TREE>/@
ID 258 gen 5096 top level 257 path <FS_TREE>/@/opt
ID 259 gen 4157 top level 257 path <FS_TREE>/@/srv
ID 260 gen 5672 top level 257 path <FS_TREE>/@/tmp
ID 261 gen 5538 top level 257 path <FS_TREE>/@/usr/local
ID 262 gen 5688 top level 257 path <FS_TREE>/@/var/cache
ID 263 gen 4157 top level 257 path <FS_TREE>/@/var/crash
ID 264 gen 4157 top level 257 path <FS_TREE>/@/var/lib/libvirt/images
ID 265 gen 4157 top level 257 path <FS_TREE>/@/var/lib/machines
ID 266 gen 4157 top level 257 path <FS_TREE>/@/var/lib/mailman
ID 267 gen 4157 top level 257 path <FS_TREE>/@/var/lib/mariadb
ID 268 gen 4157 top level 257 path <FS_TREE>/@/var/lib/mysql
ID 269 gen 4157 top level 257 path <FS_TREE>/@/var/lib/named
ID 270 gen 4157 top level 257 path <FS_TREE>/@/var/lib/pgsql
ID 271 gen 5688 top level 257 path <FS_TREE>/@/var/log
ID 272 gen 4157 top level 257 path <FS_TREE>/@/var/opt
ID 273 gen 5688 top level 257 path <FS_TREE>/@/var/spool
ID 274 gen 5672 top level 257 path <FS_TREE>/@/var/tmp
ID 301 gen 5674 top level 257 path <FS_TREE>/@/.snapshots
ID 304 gen 3008 top level 301 path <FS_TREE>/@/.snapshots/3/snapshot
ID 311 gen 3160 top level 301 path <FS_TREE>/@/.snapshots/7/snapshot
ID 345 gen 3737 top level 301 path <FS_TREE>/@/.snapshots/40/snapshot
ID 350 gen 3849 top level 301 path <FS_TREE>/@/.snapshots/41/snapshot
ID 351 gen 3862 top level 301 path <FS_TREE>/@/.snapshots/42/snapshot
ID 353 gen 3874 top level 301 path <FS_TREE>/@/.snapshots/43/snapshot
ID 354 gen 3887 top level 301 path <FS_TREE>/@/.snapshots/44/snapshot
ID 355 gen 5688 top level 301 path <FS_TREE>/@/.snapshots/45/snapshot
ID 356 gen 3972 top level 301 path <FS_TREE>/@/.snapshots/46/snapshot
ID 357 gen 3980 top level 301 path <FS_TREE>/@/.snapshots/47/snapshot
ID 358 gen 4021 top level 301 path <FS_TREE>/@/.snapshots/48/snapshot
ID 359 gen 4022 top level 301 path <FS_TREE>/@/.snapshots/49/snapshot
Я нахожу ID 45, это 355.
Изменить значение по умолчанию
Сделать его доступным для записи
% sudo btrfs property set -ts /.snapshots/45/snapshot ro false
И сделать его по умолчанию
% sudo btrfs subvolume set-default 355 /
Затем перезагрузите
Удалите раздражающий моментальный снимок отката.
% sudo snapper delete 75
% sudo snapper delete 76
% sudo snapper delete 77
% sudo snapper list
Вот и все
Спасибо
Вы должны указать CSV-файл в качестве первого параметра.:
./x.sh /home/data.csv