Timeshiftのソースを表示

[[Category:ファイルシステム]]
[[en:Timeshift]]
[[zh-hans:Timeshift]]
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{{Related|Btrfs}}
{{Related|システムメンテナンス}}
{{Related|同期およびバックアッププログラム}}
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[https://github.com/linuxmint/timeshift Timeshift] is a tool originally created by [https://teejeetech.com/ Tony George], that is now part of the [https://github.com/linuxmint/xapp Xapp project].

Timeshift helps create incremental snapshots of the file system at regular intervals, which can then be restored at a later date to undo all changes to the system.

It supports [[rsync]] snapshots for all filesystems, and uses the built-in snapshot features for [[Btrfs]] drives configured to use the {{ic|@}} and {{ic|@home}} subvolume layout for [[Partitioning#/|root]] and [[Partitioning#/home|home]] directories respectively.

== Installation ==

[[Install]] the {{Pkg|timeshift}} package and [[enable/start]] your chosen cron scheduler (see [[cron#Configuration]]). This will ensure that snapshots scheduled within the Timeshift application run as intended.

Alternatively, {{AUR|timeshift-systemd-timer}} can be installed instead of using a cron scheduler.

== GRUB entries for btrfs snapshots ==

To add snapshots to the [[GRUB]] menu each time [[GRUB#Generate_the_main_configuration_file|GRUB configuration is generated]], install the {{Pkg|grub-btrfs}} package. It comes with the {{ic|grub-btrfsd.service}}, which can be [[enabled]] to automatically update the GRUB configuration whenever a new snapshot is created.

To make grub-btrfsd work with Timeshift, edit the service by running:

 # systemctl edit --full grub-btrfsd

and replace {{ic|grub-btrfsd --syslog /.snapshots}} with {{ic|grub-btrfsd --syslog -t}}.

== Troubleshooting ==

=== Timeshift GUI not launching on Wayland ===

[[Xwayland]] will only allow the user who started the X server to connect clients to it (see [[Running GUI applications as root#Wayland]]).

Due to Timeshift requiring root permissions, attempting to launch the Timeshift [[Wikipedia:Graphical user interface|GUI]] via an application launcher or a terminal with the command {{ic|timeshift-launcher}} will result in an error containing {{ic|xhost: command not found}}.

Users encountering this error may also be presented with their [[Polkit#Authentication_agents|authentication agent]] prompting for a password, only to find that the Timeshift GUI does not launch after entering the password. [https://arcolinuxforum.com/viewtopic.php?t=2453]

This is because the command {{ic|timeshift-launcher}} requires the {{Pkg|xorg-xhost}} package: [[install]] it.

{{Warning|This command can grant any local user access to your X screen. It is advised against running {{ic|xhost}} on multi-user systems. See [[xhost]] and [[Running GUI applications as root]] for more details.}}