Restarting nodes and services

After the online or the offline update is complete, complete the following final steps:

Run this command to start the performance monitoring collector on the EMS node:
```
systemctl start pmcollector
```
Run this command to start the performance monitoring sensors on each node:
```
mmdsh -N NodeList | NodeGroup "systemctl restart pmsensors"
```
Run this command to enable gpfsgui start on reboot:
```
systemctl enable gpfsgui
```
Run this command to start the GUI on the EMS node:
```
systemctl start gpfsgui
```

Run these commands to manually check the health:

gnrhealthcheck
mmhealth node show -a
mmnetverify -N all