What is CGI in Nagios?
Description: This CGI allows you to view Nagios process information, host and service state statistics, host and service comments, and more. It also serves as a launching point for sending commands to Nagios via the command CGI.
Which file needs to be changed for configuring operations in CGI?
By default, Nagios expects the CGI configuration file to be named cgi. cfg and located in the config file directory along with the main config file.
What is retry interval in Nagios?
retry_interval: This directive is used to define the number of “time units” to wait before scheduling a re-check of the hosts. Hosts are rescheduled at the retry interval when they have changed to a non-UP state.
Which of the following objects are in Nagios?
Objects. An object in Nagios is a unit of information, such as a host, service, contact, group, timeperiod, etc. Since these units or objects represent text files, they can inherit properties from other units or objects. Object inheritance is an important aspect in managing a larger Nagios environment.
Why was CGI introduced in DBMS?
The name CGI comes from the early days of the Web, where Web masters wanted to connect legacy information systems such as databases to their Web servers. The CGI program was executed by the server that provided a common “gateway” between the Web server and the legacy information system.
Where are Nagios config files?
The main configuration file is usually named nagios. cfg and located in the /usr/local/nagios/etc/ directory.
Where are Nagios core config files?
Which file contains process ID of Nagios?
This file contains the process id (PID) number of the running Nagios process. This option determines whether or not Nagios will retain state information for hosts and services between program restarts….Configuration File Variables.
| Format: | lock_file= |
|---|---|
| Example: | lock_file=/tmp/nagios.lock |
Where does Nagios store performance data?
nagiosgraph parses output and performance data from Nagios plugins, and stores the data in RRD files.
What is active and passive check in Nagios?
Thus, the difference between active and passive check is that active checks are run by Nagios and passive checks are run by external applications. These checks are useful when you cannot monitor hosts/services on a regular basis.
What is active check in Nagios?
Active checks are initiated by the check logic in the Nagios daemon. When Nagios needs to check the status of a host or service it will execute a plugin and pass it information about what needs to be checked.
Where can I find the CGI configuration file in Nagios?
Tip: A sample CGI configuration file ( /usr/local/nagios/etc/cgi.cfg) is installed for you when you follow the quickstart installation guide . By default, Nagios Core expects the CGI configuration file to be named cgi.cfg and located in the config file directory along with the main config file.
Where are the HTML files for Nagios stored?
This is the physical path where the HTML files for Nagios are kept on your workstation or server. Nagios assumes that the documentation and images files (used by the CGIs) are stored in subdirectories called docs/ and images/, respectively.
Can I issue commands to Nagios for all services?
If you are authorized for all service commands you can issue commands for all services. If you are an authenticated contact you can issue commands for all hosts and services for which you are a contact. If you have chosen not to use authentication with the CGIs, this CGI will not allow anyone to issue commands to Nagios.
What is the URL path option in Nagios?
Basically, its the path portion of the URL that is used to access the Nagios HTML pages. This option controls whether or not the CGIs will use the authentication and authorization functionality when determining what information and commands users have access to. I would strongly suggest that you use the authentication functionality for the CGIs.