Merge pull request #237613 from AjayBathini-MSFT/patch-67

(AzureCXP) fixes MicrosoftDocs/azure-docs#109314

Author: prmerger-automator[bot]

articles/virtual-machines/extensions/update-linux-agent.md

@@ -342,7 +342,7 @@ sudo sed -i 's/\# AutoUpdate.Enabled=y/AutoUpdate.Enabled=y/g' /etc/waagent.conf
 4. Restart the waagent service:
 
 ```bash
-sudo systemctl restart waagent
+sudo service waagent restart
 ```
 
 5. Validate waagent service is up and running