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Help Center/ Cloud Container Engine/ User Guide/ Clusters/ Upgrading a Cluster/ Troubleshooting for Pre-upgrade Check Exceptions/ Key Node Commands

Key Node Commands

Updated on 2024-11-11 GMT+08:00

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Check Items

Whether some key commands that the node upgrade depends on are working

Solution

Scenario 1: Executing the package manager command failed.
Executing the rpm or dpkg command failed. In this case, log in to the affected node and check whether the following commands are available:
```
rpm -qa
```
If the preceding command is unavailable, run the following command:
```
rpm --rebuilddb
```

Scenario 2: The systemctl status command fails to be executed.
If the systemctl status command on a node is unavailable, many check items will be affected. Log in to the node and check the availability of the following commands:
```
systemctl status kubelet
```
If the fault persists, reset the node. For details, see Resetting a Node.

Parent Topic: Troubleshooting for Pre-upgrade Check Exceptions

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Next topic: Mounting of a Sock File on a Node

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