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add the rsa generating command in check-before-deployment.md (#5200) #5216

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ti-chi-bot merged 1 commit into from
Apr 6, 2021
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add the rsa generating command in check-before-deployment.md (#5200) #5216

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3 changes: 2 additions & 1 deletion check-before-deployment.md
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Expand Up @@ -581,11 +581,12 @@ This section describes how to manually configure the SSH mutual trust and sudo w
tidb ALL=(ALL) NOPASSWD: ALL
```

3. Use the `tidb` user to log in to the control machine, and run the following command. Replace `10.0.1.1` with the IP of your target machine, and enter the `tidb` user password of the target machine as prompted. After the command is executed, SSH mutual trust is already created. This applies to other machines as well.
3. Use the `tidb` user to log in to the control machine, and run the following command. Replace `10.0.1.1` with the IP of your target machine, and enter the `tidb` user password of the target machine as prompted. After the command is executed, SSH mutual trust is already created. This applies to other machines as well. Newly created `tidb` users do not have the `.ssh` directory. To create such a directory, execute the command that generates the RSA key. To deploy TiDB components on the control machine, configure mutual trust for the control machine and the control machine itself.

{{< copyable "shell-regular" >}}

```bash
ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub 10.0.1.1
```

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