Is an ECS Hostname with Suffix .novalocal Normal?
Symptom
Hostnames of ECSs created based on some types of images have the suffix .novalocal, whereas others do not.
For example, the hostname is set to abc during ECS creation. Table 1 lists the hostnames (obtained by running the hostname command) of ECSs created using different images and those displayed after the ECSs are restarted.
Troubleshooting
This is a normal phenomenon.
The static hostname of a Linux ECS is user defined and injected using Cloud-Init during the ECS creation. According to the test results, Cloud-Init adapts to OSs differently. As a result, hostnames of some ECSs have suffix .novalocal, whereas others do not.
If you do not want to have the obtained hostnames contain suffix .novalocal, change the hostnames by referring to How Can a Changed Static Hostname Take Effect Permanently?
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