How to backup and restore the system on Kirin operating system?

How to backup and restore the system on Kirin operating system?

Kirin operating system is an open source operating system based on Linux, which has received widespread attention and application due to its stability and security. In daily use, system backup and restore are very important operations to protect system data from accidental damage or loss. The following will introduce how to perform system backup and restore on Kirin operating system.

1. System backup

In the Kirin operating system, system backup can be completed using the rsync command. rsync is a tool for data replication and synchronization, which can quickly and securely back up files and directories.

1. Open the terminal and enter the following command to install rsync:
sudo apt-get install rsync

2. Create a directory for storing backup files:
sudo mkdir /backup

3. Use the rsync command to back up:
sudo rsync -av --exclude=/backup --exclude=/dev --exclude=/mnt --exclude=/proc -- exclude=/sys --exclude=/tmp / /backup

In the above command, -a means to keep the file attributes unchanged, -v means to display detailed output information, and --exclude means to exclude the specified file or directory.

4. After the backup is completed, you can use the ls command to view the files in the backup directory:
ls /backup

2. System restore

In the Kirin operating system , system restore can be completed using the dd command. The dd command is a tool for copying files and devices. It can restore backup files to a specified device.

1. Open the terminal and enter the following command to view the disk list:
sudo fdisk -l

Find the device to be restored in the output and write down its device name (such as / dev/sda).

2. Use the dd command to restore the system:
sudo dd if=/backup/backup.img of=/dev/sda bs=4M

In the above command, if represents the source File path, of represents the target path, and bs represents the block size of each read and write.

3. After the restore is completed, you can restart the system to make the restore take effect:
sudo reboot

Note: System restore will overwrite all data on the source device, please operate with caution.

3. Scheduled backup

In order to ensure data security, you can set up scheduled backup tasks to automatically back up system data.

1. Open the terminal and enter the following command to edit the backup task:
crontab -e

2. Add the following content to the opened file to set the scheduled backup task:
0 0 * rsync -av --exclude=/backup --exclude=/dev --exclude=/mnt --exclude=/proc --exclude=/sys --exclude=/tmp / / backup

In the above command, 0 0 * represents 0:00 midnight every day. The rsync command is used to back up data. The following parameters are the same as in step one.

3. Save and close the file, and the scheduled backup task will take effect.

Summary:

Kirin operating system provides simple and powerful tools and commands to realize system backup and restore. By regularly backing up system data, you can effectively protect important data and prevent data loss and system failures. Please be careful when performing backup and restore operations to avoid irreversible losses.

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