Querying the Information About the Backup Root Certificate Imported to MEF Center

north: certificate of the integrated platform
software: root certificate of a software repository
image: image repository certificate

Log in to the MEF Center as the root user.
Run the following command to go to the directory where run.sh is stored. The default installation directory is /usr/local/MEF-Center/mef-center.
```
cd Installation_directory/MEF-Center/mef-center
```

Run the following command to obtain the root certificate backup information:

./run.sh getunusedcert -name=Certificate_name

**Table 1** getunusedcert parameters
Parameter	Description
name	(Mandatory) Certificate name. Values: north: certificate of the integrated platform software: root certificate of a software repository image: image repository certificate

If the following information is displayed, the command is successfully executed:

/usr/local/MEF-Center/mef-config/cert-manager/root-ca/north/root.crt.pre 
get unused certificates of [north] ca successfully

If no root certificate has been backed up, this command can also be executed successfully, but the certificate path will not be displayed.

Parent topic: Common Operations