How-to Collection

Here we collect how-to articles which do not fit into the other chapters of the Munin Guide.

• How to add a custom plugin
  • Step 1: Write the Plugin
  • Step 2: Test Locally
  • Step 3: Install the Plugin
  • Step 4: Configure the Plugin (Optional)
  • Step 5: Restart and Verify
  • Step 6: Wait for Graphs
  • Key Points
• How to set up alerts
  • Email Alerts
  • Per-Host Alerts
  • Alerting via Script
  • Suppressing Alerts
  • Custom Thresholds
  • Testing Alerts
• How to monitor remote hosts
  • Scenario 1: SSH Tunneling
  • Scenario 2: Port Forwarding
  • Scenario 3: Munin Async
  • Scenario 4: SNMP via Proxy
  • Scenario 5: Bouncing via inetd/xinetd
  • Verifying Connectivity
• How to remove spikes
  • Set a MAX value
  • Modify the RRD files concerned