1500 - Verifying services are running in NIOS

Scenario

Users have reported trouble receiving DHCP or DNS services from the grid member ibns2.techblue.net. Please verify that both services are running on this NIOS member.

Estimate Completion Time

• 10 to 15 minutes

Credentials

Requirements

• Read-only access to Grid

Course References

• 1002: Using the NIOS Grid Manager UI

• 1003: NIOS DHCP Service Overview

• 1006: NIOS DNS Service Overview

Lab Initiation

Access jump-desktop

Once the lab is deployed, you can access the virtual machines required to complete this lab activity. To initiate the lab, click on the jump-desktop tile and login to the Linux UI:

Username: training

Password: infoblox

Initiate lab

To initiate the lab, double-click the Launch Lab icon on the Desktop.

Choose the lab number from the list and click OK.

After clicking OK, you will see a pop-up message with a brief description of the lab task. If the description looks correct, click Yes to continue lab initiation.

Lab initiation will take a couple of minutes to finish.

Once complete, you will see another pop-up message with the login credentials and the URL for the Grid Manager’s User Interface. Note that the credentials may differ from those from prior labs.

Tasks

Task 1: Verifying service status in GM

Login to the GM web interface and examine the service status of the member ibns2.techblue.net visually.

Task 2: Verifying service status in syslog

Use syslog to further verify both services are running. You may access syslog in the GM web interface for ibns2.techblue.net and use the display filter to only show syslog messages from DNS or DHCP.

Solutions

Task 1 Solution: Verifying service status in GM

Login to the GM web interface and examine the service status of the member ibns2.techblue.net visually.

1. Login to NIOS GM web interface

2. Navigate to Grid → Grid Manager → Services
   

   

3. Verify DNS and DHCP services are running for ibns2.techblue.net
   

   

   
   

Alternatively, you may find the same information in the web interface this way, one service at a time:

1. Login to NIOS GM web interface

2. Navigate to Data Management → DNS → Members
   

   

3. Verify DNS service is running for ibns2.techblue.net

4. Navigate to Data Management → DHCP → Members
   

   

5. Verify DHCP service is running for ibns2.techblue.net

Task 2 Solution: Verifying service status in syslog

Use syslog to further verify both services are running. You may access syslog in the GM web interface for ibns2.techblue.net.

1. Login to NIOS GM web interface

2. Navigate to Administration → Logs → Syslog

3. Select ibns2.techblue.net from the drop-down menu near the top of the screen
   

   

4. Click Show Filter
   

   

5. Apply filter criteria Server equals DNS
   

   

6. Verify there are recent DNS log messages

7. Apply filter criteria Server equals DHCP
   

   

8. Verify there are recent DHCP log messages