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geekpi
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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (How to Use TimeShift to Backup and Restore Ubuntu Linux)
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[#]: via: (https://www.linuxtechi.com/timeshift-backup-restore-ubuntu-linux/)
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[#]: author: (James Kiarie https://www.linuxtechi.com/author/james/)
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How to Use TimeShift to Backup and Restore Ubuntu Linux
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======
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Have you ever wondered how you can backup and restore your **Ubuntu** or **Debian system** ? **Timeshift** is a free and opensource tool that allows you to create incremental snapshots of your filesystem. You can create a snapshot using either **RSYNC** or **BTRFS**.
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[![TimeShift-Backup-Restore-Tool-Ubuntu][1]][2]
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With that. let’s delve in and install Timeshift. For this tutorial, we shall install on Ubuntu 18.04 LTS system.
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### Installing TimeShift on Ubuntu / Debian Linux
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TimeShift is not hosted officially on Ubuntu and Debian repositories. With that in mind, we are going to run the command below to add the PPA:
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```
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# add-apt-repository -y ppa:teejee2008/ppa
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```
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![Add-timeshift-repository][1]
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Next, update the system packages with the command:
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```
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# apt update
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```
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After a successful system update, install timeshift by running following apt command :
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```
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# apt install timeshift
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```
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![apt-install-timeshift][1]
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### Preparing a backup storage device
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Best practice demands that we save the system snapshot on a separate storage volume, aside from the system’s hard drive. For this guide, we are using a 16 GB flash drive as the secondary drive on which we are going to save the snapshot.
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```
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# lsblk | grep sdb
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```
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![lsblk-sdb-ubuntu][1]
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For the flash drive to be used as a backup location for the snapshot, we need to create a partition table on the device. Run the following commands:
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```
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# parted /dev/sdb mklabel gpt
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# parted /dev/sdb mkpart primary 0% 100%
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# mkfs.ext4 /dev/sdb1
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```
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![create-partition-table-on-drive-ubuntu][1]
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After creating a partition table on the USB flash drive, we are all set to begin creating filesystem’s snapshots!
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### Using Timeshift to create snapshots
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To launch Timeshift, use the application menu to search for the Timeshift application.
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![Access-Timeshift-Ubuntu][1]
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Click on the Timeshift icon and the system will prompt you for the Administrator’s password. Provide the password and click on Authenticate
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![Authentication-required-ubuntu][1]
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Next, select your preferred snapshot type.
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![Select-Rsync-option-timeshift][1]
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Click ‘**Next**’. Select the destination drive for the snapshot. In this case, my location is the external USB drive labeled as **/dev/sdb**
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![Select-snapshot location][1]
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Next, define the snapshot levels. Levels refer to the intervals during which the snapshots are created. You can choose to have either monthly, weekly, daily, or hourly snapshot levels.
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![Select-snapshot-levels-Timeshift][1]
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Click ‘Finish’
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On the next Window, click on the ‘**Create**’ button to begin creating the snapshot. Thereafter, the system will begin creating the snapshot.
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![Create-snapshot-timeshift][1]
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Finally, your snapshot will be displayed as shown
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![Snapshot-created-TimeShift][1]
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### Restoring Ubuntu / Debian from a snapshot
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Having created a system snapshot, let’s now see how you can restore your system from the same snapshot. On the same Timeshift window, click on the snapshot and click on the ‘**Restore**’ button as shown.
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![Restore-snapshot-timeshift][1]
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Next, you will be prompted to select the target device. leave the default selection and hit ‘**Next**’.
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![Select-target-device-timeshift][1]
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A dry run will be performed by Timeshift before the restore process commences.
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![Comparing-files-Dry-Run-timeshift][1]
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In the next window, hit the ‘**Next**’ button to confirm actions displayed.
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![Confirm-actions-timeshift][1]
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You’ll get a warning and a disclaimer as shown. Click ‘**Next**’ to initialize the restoration process.
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Thereafter, the restore process will commence and finally, the system will thereafter reboot into an earlier version as defined by the snapshot.
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![Restoring-snapshot-timeshift][1]
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**Conclusion**
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As you have seen it quite easy to use TimeShift to restore your system from a snapshot. It comes in handy when backing up system files and allows you to recover in the event of a system fault. So don’t get scared to tinker with your system or mess up. TimeShift will give you the ability to go back to a point in time when everything was running smoothly.
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* [Facebook][3]
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* [Twitter][4]
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* [LinkedIn][5]
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* [Reddit][6]
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--------------------------------------------------------------------------------
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via: https://www.linuxtechi.com/timeshift-backup-restore-ubuntu-linux/
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作者：[James Kiarie][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.linuxtechi.com/author/james/
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[b]: https://github.com/lujun9972
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[1]: data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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[2]: https://www.linuxtechi.com/wp-content/uploads/2019/11/TimeShift-Backup-Restore-Tool-Ubuntu.png
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[3]: http://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&t=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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[4]: http://twitter.com/share?text=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux&url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&via=Linuxtechi
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[5]: http://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&title=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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[6]: http://www.reddit.com/submit?url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&title=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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@ -0,0 +1,150 @@
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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (How to Use TimeShift to Backup and Restore Ubuntu Linux)
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[#]: via: (https://www.linuxtechi.com/timeshift-backup-restore-ubuntu-linux/)
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[#]: author: (James Kiarie https://www.linuxtechi.com/author/james/)
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如何使用 TimeShift 备份和还原 Ubuntu Linux
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======
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你是否曾经想过如何备份和还原 **Ubuntu** 或 **Debian** 系统？ **Timeshift**是一款免费的开源工具，可让你创建文件系统的增量快照。你也可以使用 **RSYNC** 或 **BTRFS** 创建快照。
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[![TimeShift-Backup-Restore-Tool-Ubuntu][1]][2]
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让我们深入研究并安装 Timeshift。对于本教程，我们将安装在 Ubuntu 18.04 LTS 系统上。
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### 在 Ubuntu / Debian Linux 上安装 TimeShift
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TimeShift 尚未正式托管在 Ubuntu 和 Debian 仓库中。考虑到这一点，我们将运行以下命令来添加 PPA：
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```
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# add-apt-repository -y ppa:teejee2008/ppa
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```
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![Add-timeshift-repository][1]
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接下来，使用以下命令更新系统软件包：
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```
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# apt update
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```
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成功更新系统后，使用以下 apt 命令安装 Timeshift：
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```
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# apt install timeshift
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```
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![apt-install-timeshift][1]
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### 准备备份存储设备
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最佳实践要求我们将系统快照保存在系统硬盘之外的单独的存储卷上。对于本指南，我们将使用 16GB 闪存作为辅助存储，并在该辅助存储上保存快照。
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```
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# lsblk | grep sdb
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```
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![lsblk-sdb-ubuntu][1]
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为了将闪存用作快照的备份位置，我们需要在设备上创建一个分区表。运行以下命令：
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```
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# parted /dev/sdb mklabel gpt
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# parted /dev/sdb mkpart primary 0% 100%
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# mkfs.ext4 /dev/sdb1
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```
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![create-partition-table-on-drive-ubuntu][1]
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在 USB 闪存上创建分区表后，我们可以开始创建文件系统的快照！
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### 使用 Timeshift 创建快照
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要启动 Timeshift，使用应用程序菜单搜索 Timeshift。
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![Access-Timeshift-Ubuntu][1]
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单击 Timeshift 图标，系统将提示你输入管理员密码。提供密码，然后单击验证
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![Authentication-required-ubuntu][1]
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接下来，选择你喜欢的快照类型。
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![Select-Rsync-option-timeshift][1]
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点击 “**Next**”。选择快照的目标驱动器。在这里，我的位置是标记为 **/dev/sdb** 的外部 USB 驱动器
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![Select-snapshot location][1]
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接下来，定义快照级别。级别是指创建快照的时间间隔。你可以选择每月、每周、每天或每小时的快照级别。
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![Select-snapshot-levels-Timeshift][1]
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点击 “Finish”
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在下一个窗口中，单击 “**Create**” 按钮开始创建快照。此后，系统将开始创建快照。
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![Create-snapshot-timeshift][1]
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最后，你的快照将显示如下：
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![Snapshot-created-TimeShift][1]
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### 从快照还原 Ubuntu / Debian
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创建系统快照后，现在让我们看看如何从同一快照还原系统。在同一个 Timeshift 中，单击快照，然后单击 “**Restore**” 按钮，如图所示。
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![Restore-snapshot-timeshift][1]
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接下来，将提示你选择目标设备。保留默认选择，然后点击 “**Next**”。
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![Select-target-device-timeshift][1]
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恢复过程开始之前，Timeshift 将试运行。
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![Comparing-files-Dry-Run-timeshift][1]
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在下一个窗口中，点击 “**Next**” 按钮确认显示的操作。
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![Confirm-actions-timeshift][1]
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如图所示，你会看到警告和免责声明。点击 “**Next**” 初始化恢复过程。
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此后，将开始还原过程，最后，系统之后将重新启动到快照定义的早期版本。
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![Restoring-snapshot-timeshift][1]
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**总结**
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如你所见，使用 TimeShift 从快照还原系统非常容易。在备份系统文件时，它非常方便，并允许你在系统故障时进行恢复。因此，不要害怕修改系统或弄乱系统。TimeShift 使你能够返回到一切运行平稳的时间点。
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* [Facebook][3]
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* [Twitter][4]
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* [LinkedIn][5]
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* [Reddit][6]
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--------------------------------------------------------------------------------
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via: https://www.linuxtechi.com/timeshift-backup-restore-ubuntu-linux/
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作者：[James Kiarie][a]
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选题：[lujun9972][b]
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译者：[geekpi](https://github.com/geekpi)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.linuxtechi.com/author/james/
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[b]: https://github.com/lujun9972
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[1]: data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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[2]: https://www.linuxtechi.com/wp-content/uploads/2019/11/TimeShift-Backup-Restore-Tool-Ubuntu.png
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[3]: http://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&t=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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[4]: http://twitter.com/share?text=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux&url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&via=Linuxtechi
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[5]: http://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&title=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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[6]: http://www.reddit.com/submit?url=https%3A%2F%2Fwww.linuxtechi.com%2Ftimeshift-backup-restore-ubuntu-linux%2F&title=How%20to%20Use%20TimeShift%20to%20Backup%20and%20Restore%20Ubuntu%20Linux
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