Lab
A Cloud Guru

Install and Configure Logging Agent on Google Cloud

This lab guides you through installing the Cloud Logging agent on a Compute Engine instance, acting as an Apache web server. We install and configure the agent on the web server instance, and view application-specific logs collected.

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Path Info

Level

Intermediate

Duration

45m

Published

Dec 04, 2020

Challenge

Install and Configure Logging Agent on Website Instance
1. Once on the Google Cloud Platform page, select Compute Engine >>VM Instances and click on the External IP and keep this tab open.
2. In a new browser tab, we note the logs available by clicking on the top-left three bar-menu, and select Logging >> Log Explorer(open in new tab).
3. Click VM Instance and note the logs under the Log Name portion.
4. Connect to the Compute Engine, by going back to the Compute Engine browser tab. Select SSH to enter into the Compute Engine instance. This launches a new browser tab with access to a Cloud terminal.
5. Once in the Compute Engine terminal, install the agent:
```
curl -sSO https://dl.google.com/cloudagents/add-logging-agent-repo.sh
```
6. Execute the script:
```
sudo bash add-logging-agent-repo.sh
```
7. Update our repo:
```
sudo apt update
```
8. Install the logging agent:
```
sudo apt install google-fluentd
```
9. Install additional configurations:
```
sudo apt install -y google-fluentd-catch-all-config
```
10. Restart the agent:
```
sudo service google-fluentd restart
```
11. Ensure the agent is running:
```
sudo service google-fluentd status
```
  If running, this output will contain: Active: active (running).
12. Exit out of the SSH terminal with:
```
exit
```
Challenge

Generate Traffic to Our Example Website
1. Generate traffic/logs to our example website by navigating back to this Compute Engine's browser tab. Refresh the page multiple times (5-10 times).
Challenge

View Apache-Access and Linux Syslog Logs in Logs Viewer
1. Navigate back to the Log Explorer browser tab and refresh this page.
2. Click Options >> Go back to the Legacy Logs Viewer.
3. Select Legacy Log Viewer. In the first dropdown menu (Audited Resources), select VM Instance >>web-agent-server.
4. The All logs drop-down menu shows new log entries that are specific to our Compute Engine (apache-access, apache-error, syslog).

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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