Configuring and Querying the MEF Center Certificate Expiration Alarm

MEF Center allows you to configure and query the root certificate, software repository certificate, and image repository certificate of a third-party management platform.

Configuring the Certificate Expiration Alarm

MEF Center supports the configuration of the validity and detection periods of the certificate.

Log in to the MEF Center device environment as the root user.
Go to the path where run.sh is stored. The default installation directory is /usr/local.
```
cd Installation_path/MEF-Center/mef-center
```

Run the following command to configure the validity and detection periods of the certificate:

./run.sh alarmconfig -cert_threshold=Certificate validity period -cert_period=Certificate detection period

**Table 1** alarmconfig description
Parameter	Description
cert_threshold	Optional. Certificate validity period. The value range is [7, 180], and the default value is 90.
cert_period	Optional. Certificate validity detection period. The value range is [1, Certificate validity period-3], and the default value is 7.

The configuration is successful if the following command output is displayed:

update alarm config successful

Start or restart MEF Center to make the setting take effect.

Querying the Certificate Expiration Alarm

MEF Center supports the query of the validity and detection periods of the certificate.

Log in to the MEF Center device environment as the root user.
Go to the path where run.sh is stored. The default installation directory is /usr/local.
```
cd Installation_path/MEF-Center/mef-center
```
Run the following command to configure the validity and detection periods of the certificate:
```
./run.sh getalarmconfig
```
If the following information is displayed, the query is successful. The validity (cert_threshold) and detection (cert_period) periods of the current certificate are returned.
```
cert_period is [1], the unit is day
cert_threshold is [90], the unit is day
get alarm config successful
```

Parent topic: Common Operations