How to increase socket timeout in Nagios?

How to increase socket timeout in Nagios?

Click the check_nrpe command. You can change the timeout in Nagios XI with the switch -t in the check_nrpe command. In the Command Line, change -t xx to a higher value, in the screenshot above you can see it is set to 30 seconds. Save your changes and then click the Apply Configuration button.

How does Nagios Nrpe work?

The check_nrpe plugin contacts the NRPE daemon on the remote host. The NRPE daemon runs the appropriate Nagios plugin to check the service or resource. The results from the service check are passed from the NRPE daemon back to the check_nrpe plugin, which then returns the check results to the Nagios process.

What is Nrpe agent?

Nagios Remote Plugin Executor (NRPE) is a Nagios agent that allows remote system monitoring using scripts that are hosted on the remote systems. It allows for monitoring of resources such as disk usage, system load or the number of users currently logged in.

What is Nrpe Linux?

The NRPE addon is designed to allow you to execute Nagios plugins on remote Linux/Unix machines. The main reason for doing this is to allow Nagios to monitor “local” resources (like CPU load, memory usage, etc.) on remote machines.

How do I know if Nrpe is running?

In this setup, NRPE daemon is installed on the remote system to which services need to monitor through Nagios server….How to Monitor Remote Linux Host using Nagios and NRPE

  1. Step 1 – Configure NRPE on Linux Host.
  2. Step 2 – Add Linux Host in Nagios.
  3. Step 3 – Check Host in Nagios Web Interface.

Why is Nrpe used?

How do I restart Nrpe service?

Click the service Cron Scheduling Daemon to edit the service. Click the Check Settings tab. From the Event handler drop down list select the option Service Restart – Linux.

How restart Nrpe service in Linux?

cfg file will be located in /etc/nagios/nrpe. cfg , and you should be able to then enable and (re)start the nrpe service with: chkconfig nrpe on (which will ensure NRPE starts on system boot), and /etc/init. d/nrpe restart (to restart the service).

How Nagios will execute Nrpe plugin in remote system?

The Nagios daemon which run checks on remote machines in NRPE (Nagios Remote Plugin Executor). It allows you to run Nagios plugins on other machines remotely. You can monitor remote machine metrics such as disk usage, CPU load etc.

How do I start Nrpe daemon on Linux?

Configuration

  1. Add nrpe port to /etc/services – Add NRPE service to /etc/services and make sure port 5666 (default) is open on Firewall: # echo “nrpe 5666/tcp # NRPE” >> /etc/services.
  2. Make necessary changes to nrpe. conf – Edit nrpe.
  3. Start xinetd/nrpe and enable them at system boot:

How do I set a socket timeout?

Answer: Just set the SO_TIMEOUT on your Java Socket, as shown in the following sample code: String serverName = “localhost”; int port = 8080; // set the socket SO timeout to 10 seconds Socket socket = openSocket(serverName, port); socket.

How can I check my Nrpe status?

How to Monitor Remote Linux Host using Nagios and NRPE

  1. Step 1 – Configure NRPE on Linux Host. Follow the below steps to install and configure NRPE on client machine and check connectivity with Nagios server.
  2. Step 2 – Add Linux Host in Nagios.
  3. Step 3 – Check Host in Nagios Web Interface.
  • August 11, 2022