How to change the behavior of a check_command

Related to Copied

Changing the behavior of a check_command, change the way a service check works, edit a check_command, change check command functionality.

Problem Copied

• You have an existing check_command you would like to tweak to something slightly different, such as adding a new option or argument to the check_command.

Possible Solution(s) Copied

• Go through the following steps:

1. Go to the Configuration panel by clicking on Manage -> Configure.

2. Select “Commands”:

3. Search for the check_command that you would like to edit. Here, we will change check_wmip_cpu to add support for NTLMv2.

4. Select the check_command in the drop-down menu.

5. Click “Go”:

6. It’s usually considered best practice not to change an existing check_command, but rather create a new one. Click “Copy” to do so. This will create a new command using the previous one as a template:

7. Add a new command_name in the empty field.

8. Edit the command_line to suit your needs. In our example, we will add the following to the command_line:

--extrawmicarg "--option=client ntlmv2 auth=Yes"

9. Press submit:

10. Click “Save” in the top right corner and go through the steps to make your change persistent.

11. Change the check_command option for any services that you would like to use this new check_command.

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