How to Install Plugin on Cacti
Not only providing more and more powerful features, Cacti also compatible with many useful plugins to make its productivity more flexible. Cacti support many plugins like Monitor plugin, Thold plugin, Weathermap plugin and many more. In this post we will show how to install plugins on Cacti and we will install Monitor, Thold, and Weathermap.
Monitor Plugins
Monitor plugin enables Cacti to display all hosts status UP or Down on a single page. For the latest Cacti version support some plugins and some not yet, if we use Cacti old version under 0.xx version there are many plugin that it support. For the latest version Monitor plugin is available in Github.com. There are two common ways to install plugin on cacti:
Method #1
Go to https://github.com/Cacti/plugin_monitor and Donwload ZIP then copy by ssh or WinScp or other method to the server.
change ownership to apache user.
After we download or clone with git command, copy and name monitor to the correct location, now it is time to install it.
Install Monitor Plugin
Go to https://github.com/Cacti/plugin_thold/releases right click on Source code (zip) and Copy Link address.
Unzip the file with unzip command.
Move to the right path and name it as thold.
Chang ownership of that directory to apache user.
Go to Configuration -> Plugins click on setting sign.
Now, the thold plugin is installed, click on tick sign to enable it.
Click on the tick sign to enable it.
Check Result
We see that Monitor Plugin tab is shown, and we see that below monitor icons about all devices and devices are up.
Weathermap Plugin
Weathermap plugin allow us to draw network diagram with the graph view of each link. To install weathermap plugin follow the step below.
Copy to the right directory in Cacti location.
Change ownership to apache user.
To install Weathermap plugin, we follow the same way as thold and monitor plugin.
Go to Configuration -> Plugins ->
Click on tick sign to enable it.
We can see that new Weathermap plugin is shown on top of the page.
READ: How to install Cacti specific version on Centos 7
READ: How to add Windows and Linux host to Cacti
READ: How to create Graph Tree on Cacti
Cacti v1+ Docker Container
Dockerhub 
Github 
Cacti System
Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides following features:
- remote and local data collectors
- network discovery
- device management automation
- graph templating
- custom data acquisition methods
- user, group and domain management
- C3 level security settings for local accounts
- strong password hashing
- forced regular password changes, complexity, and history
- account lockout support
All of this is wrapped in an intuitive, easy to use interface that makes sense for both LAN-sized installations and complex networks with thousands of devices. Developed in the early 2000's by Ian Berry as a high school project, it has been used by thousands of companies and enthusiasts to monitor and manage their Networks and Data Centers. More information around this opensource product can be located at the following website.
Using this image
Running the container
This container contains Cacti v1+ and is not compatible with older version of cacti. It does rely on an external MySQL database that can be already configured before initial startup or having the container itself perform the setup and initialization. If you want this container to perform these steps for you, you will need to pass the root password for mysql login or startup will fail. This container automatically incorporates Cacti Spine's multithreaded poller.
Exposed Ports
The following ports are important and used by Cacti
| Port | Notes |
|---|---|
| 80 | HTTP GUI Port |
| 443 | HTTPS GUI Port |
It is recommended to allow at least one of the above ports for access to the monitoring system. This is translated by the -p hook. For example docker run -p 80:80 -p 443:443
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