Starting the NodeD

Procedure

Log in to each worker node as the root user and run the following command to check whether the image and version are correct:
```
docker images | grep noded
```
Example:
```
root@ubuntu:~# docker images|grep noded 
noded                               v3.0.0              ef801847acd2        29 minutes ago      133MB
```
- If yes, go to 2.
- If no, create an image and distribute it. For details, see Creating an Image.
Copy the YAML file in the directory where the NodeD software package is decompressed (for example, /home/noded) to any directory on the Kubernetes master node (for example, /home/noded). If the NodeD software package is decompressed on the Kubernetes master node, you do not need to copy the YAML file.
```
cd /home/noded
scp noded-*.yaml root@{IP_address_of_the_Kubernetes_master_node}:/home/noded
```
Skip this step if you do not need to modify the component startup parameters. Otherwise, modify the NodeD startup parameters in the YAML file based on your requirements. For details about the startup parameters, see Table 1. You can run the ./noded -h command to view the parameter descriptions.

Start the NodeD.

Run the following command if the KubeConfig certificate is imported:
```
kubectl apply -f noded-without-token-{version}.yaml
```
Run the following command if the KubeConfig certificate is not imported:
```
kubectl apply -f noded-*.yaml
```

The following is an example:

root@ubuntu:/home/noded# kubectl apply -f noded-without-token-v3.0.0.yaml
daemonset.apps/noded created
root@ubuntu:/home/noded# kubectl get pod -n mindx-dl
NAME                              READY   STATUS    RESTARTS   AGE
...
noded-fd6t8                       1/1     Running   0          74s
...

Parameters

**Table 1** NodeD startup parameters
Parameter	Type	Default Value	Description
-heartbeatInterval	int	5	Interval for sending heartbeat messages. The value range is (0, 300], in seconds. The interval is written into Annotation (the noded/heartbeat-interval field) of the node during NodeD startup.
-version	bool	false	NodeD version.
-logLevel	int	0	Log level. -1: debug 0: info 1: warning 2: error 3: critical
-maxAge	int	7	Log backup time limit. The value ranges from 7 to 700, in days.
-logFile	string	/var/log/mindx-dl/noded/noded.log	Log file. NOTE: If the size of a log file exceeds 20 MB, automatic dump is triggered. The maximum size of a log file cannot be changed.
-maxBackups	int	30	Maximum number of dumped log files that can be retained. The value range is (0, 30].
-kubeConfig	string	/etc/mindx-dl/noded/.config/config6	Path for storing the encrypted KubeConfig file by default. The KubeConfig file in a user-defined path is also supported. If the configuration file does not exist in the default path, InClusterConfig is enabled. NOTE: This file must be encrypted using the certificate import tool. A plaintext file is not supported.
-h	None	N/A	Help information.

Parent topic: Common Operations