All 32 Plugins   (Ordered by Popularity)

Ruby on Rails Request Monitoring

By Highgroove Studios (400 installs)
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

By Highgroove Studios (369 installs)
Monitors the load on server, generating an alert if the load over the last minute is greater than a specified amount.

Disk Usage

By Highgroove Studios (272 installs)
Monitors the amount of space remaining on a disk, generating an alert if the amount of space used exceeds a given percentage.

Memory Profiler

By Eric Lindvall (226 installs)
Returns a profile of the system's memory usage (memory used, % memory used, swap used, % swap used, etc). Requires procfs.

Process Usage

By Highgroove Studios (188 installs)
Monitors the memory usage of a process, generating an alert if it exceeds a specified threshold.

URL Monitoring

By Highgroove Studios (188 installs)
Monitors the availability of a URL, sending an alert if the URL is not reachable.

Server Uptime

By Highgroove Studios (139 installs)
Returns the length of time since the last server restart.

Phusion Passenger Monitor

By Highgroove Studios (74 installs)
Tracks Passenger's VM size, process count, and the amount of private memory it has squirreled away. You can also elect to be emailed if any of these statistics crosses a line you indicate. As an added bonus, this plugin also tracks the same statistics fo

Mongrel Cluster Monitor

By Adam Parrott (58 installs)
Monitors mongrel clusters, reports uptime, and attempts restarts of down mongrels.

MySQL Slow Queries

By Forumwarz (57 installs)
Monitors for slow MySQL queries and generates an alert (containing the queries) whey they occur.

Keep Process Running

By Highgroove Studios (35 installs)
This plugin simply monitors the active running processes to see if a specific process is running.

MySQL Statistics

By Eric Lindvall (32 installs)
Returns the number of each of type of query (delete, insert, update, select, and total).

Starling Monitor

By Mike Mangino (21 installs)
Monitors the number of items in a starling queue, generating an alert if the maximum queue depth is exceeded for a given queue.

Active Logins

By Mark Hasse (15 installs)
Track the number of people logged into your server (via console, ssh, telnet, etc.) at a particular time.

Memcached Monitor

By Mike Mangino (13 installs)
Monitor the response of a memcached server. Sets a value and gets it back, generating an alert if the response time exceeds a given threshold.

Rails Session Monitoring

By Tim Morgan (9 installs)
Checks for old Ruby on Rails sessions in your database, reporting the number of total sessions and old sessions.

Monitor /proc/mdstat

By Mark Hasse (8 installs)
Monitors /proc/mdstat for disk failures.

Nginx monitoring

By Luc Castera (8 installs)
Monitors Nginx, reporting the total # of requests, the total number of connections, and the number of connections reading, writing, and waiting.

Google Analytics

By Highgroove Studios (6 installs)
Returns the number of page views and visits for the current day.

Yahoo Total Entries

By Highgroove Studios (3 installs)
Returns the total number of entries for each of the provided search terms. Separate multiple terms with a ",".

Ruby on Rails Single Path Request Monitoring

By Highgroove Studios (3 installs)
Monitors requests to a SINGLE PATH (ie - /forums/show) in a Ruby on Rails web application, alerting when slow web requests occur.

Lighthouse Open Tickets

By David Grandinetti (3 installs)
Returns the total number of open tickets for a specific project in a Lighthouse account.

FeedBurner Stats

By Highgroove Studios (2 installs)
Returns the feed circulation and hits from yesterday for the given feed.

Monitor time drift from official NIST time

By Mark Hasse (2 installs)
Checks time with NIST using daytime and calculates drift with the host being monitored. Alerts based on a user settable value indicating maximum drift.

Facebook Content Monitor

By Mike Mangino (2 installs)
A simple monitor that will login to Facebook and then fetch a given URL and make sure it contains a string. This is useful for making sure you don't get a maintenance page or an error page.

HopToAd Unresolved Errors

By David Grandinetti (2 installs)
Returns the total number of unresolved errors from a HopToAdd project.

Check Permissions

By Highgroove Studios (1 install)
Looks at all files in a directory and ensures that each has the specified owner, group, and mode.

Monitor that a dynamic DNS address is current

By Mark Hasse (1 install)
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.

MySQL Replication Monitor

By Mike Mangino (1 install)
Monitors the replication for a master-slave MySQL database setup reporting the number of seconds the slave is behind the master.

Timestamp Monitor

By Chad Woolley (1 install)
Checks the timestamp on a given file, generating an alert if the timestamp of the file is older than a given threshold.

URL Content Monitor

By Jens-Christian Fischer (0 installs)
This plugin looks for a given piece of text on a web page. If it's not found, an alert is generated.
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