Plugins Directory
Scout is a server monitoring & reporting application that's powered by plugins. These small Ruby scripts can do just about anything - from watching for slow web requests to monitoring memory usage. Once you have a Scout account, installing a plugin is a button-click away.
Existing plugins - created by us and the community - are listed below.
All 22 Plugins (Ordered by Popularity)
Ruby on Rails Request Monitoring
Monitors ALL requests to a Ruby on Rails web application, alerting when slow web requests occur. Reports the total number of requests, the number of slow requests, and the average execution time.
Server Load
Monitors the load on server, generating an alert if the load over the last minute is greater than a specified amount.
Disk Usage
Monitors the amount of space remaining on a disk, generating an alert if the amount of space used exceeds a given percentage.
URL Monitoring
Monitors the availability of a URL, sending an alert if the URL is not reachable.
Process Usage
Monitors the memory usage of a process, generating an alert if it exceeds a specified threshold.
Server Uptime
Returns the length of time since the last server restart.
Memory Profiler
Returns a profile of the system's memory usage (memory used, % memory used, swap used, % swap used, etc). Requires procfs.
Mongrel Cluster Monitor
Monitors mongrel clusters, reports uptime, and attempts restarts of down mongrels.
Rails Session Monitoring
Checks for old Ruby on Rails sessions in your database, reporting the number of total sessions and old sessions.
Keep Process Running
This plugin simply monitors the active running processes to see if a specific process is running.
Google Analytics
Returns the number of page views and visits for the current day.
MySQL Slow Queries
Monitors for slow MySQL queries and generates an alert (containing the queries) whey they occur.
Monitor /proc/mdstat
Monitors /proc/mdstat for disk failures.
Ruby on Rails Single Path Request Monitoring
Monitors requests to a SINGLE PATH (ie - /forums/show) in a Ruby on Rails web application, alerting when slow web requests occur.
FeedBurner Stats
Returns the feed circulation and hits from yesterday for the given feed.
Yahoo Total Entries
Returns the total number of entries for each of the provided search terms. Separate multiple terms with a ",".
MySQL Statistics
Returns the number of each of type of query (delete, insert, update, select, and total).
Check Permissions
Looks at all files in a directory and ensures that each has the specified owner, group, and mode.
Active Logins
Track the number of people logged into your server (via console, ssh, telnet, etc.) at a particular time.
Monitor time drift from official NIST time
Checks time with NIST using daytime and calculates drift with the host being monitored. Alerts based on a user settable value indicating maximum drift.
Monitor that a dynamic DNS address is current
Compares your current IP address to the hostname provided and checks to see that they are equal. This must be running behind or on the dynamic address.
