Nagios Download For Redhat Linux !FULL!

By default, on the Nagios server, the /etc/nagios/objects/localhost.cfg file is used to define services for basic local statistics; for example, swap usage or the number of current users. You can always comment these services out if they are no longer needed by prefacing each line with a '#' character. This same file can be used to add new OpenStack monitoring services.

We build for a variety of linux types, so you will need to verify if you are using a RPM or DEB based Linux distro. You can view the RPM install for CentOS/RHEL, Fedora, SUSE, etc or DEB install which covers Debian and Ubuntu.

Nagios Download For Redhat Linux

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Creates the nagios user and nagios group (if necessary) Creates the /usr/local/ncpa directory (if necessary) and move all NCPA files to that location Sets permissions on /usr/local/ncpa to nagios:nagios and 775 Sets up services that auto-start for both Listener and Passive services and manually starts them

For those of you without Nagios XI, below is going to cover some basic information on how to create services for a host in Nagios Core using check_ncpa.py just like the wizard in nagios XI would do for you.

If you're using a standard install of Nagios Core, start by downloading the check_ncpa.py plugin into the plugin directory, normally /usr/local/nagios/libexec. The plugin works with Python 2.x and 3.x so you shouldn't have any problems running it on your Linux distro of choice.

Create the check_ncpa command in your configuration files for Nagios Core, normally they are located in /usr/local/nagios/etc - you may have a commands.cfg file you will want to put this command in. The command below will allow us to pass most of the arguments in with $ARG1$, allowing it to be more dynamic.

Recently, I just deleted my /etc/passwd and /etc/group file in my nagios server. Luckily, I restored it from the backup I had. But after that, I am not able to import data to remote nagios server over SSH/SFTP using nagiosql.

I can login directly without password from local system to remote system, but getting error for permission check. I have also tried to change ownership to apache user and nagios user vice-versa. But no use. Do you have exact idea where should I be wrong going as unluckily, I had restarted the corrupted slave simnagios and due to that getting stale results.

My vote is for Centos, but pick a platform that you are familiar with. Nagios will run on most linux distributions, so pick one that makes you happy, when you are setting things up you will be in the OS a few times. FWIW: Switching between Debian and Redhat ways of doing things is a little maddening.

however, there is a nasty memory error that crops up if you try nagios with nagvis that I've not got around to fixing yet. If you are too put off, then use centos - it's close enough to rh to be fairly easy to manage.

Lol thanks Magnus, sounds good. I'm sticking with centos, downloading 6.3 now will continue my install of the distro to a vm tomorrow and try to get someone updated and ready by the end of tomorrow, and begin the nagios install next monday ;)

Apart from the major distros you could try FAN (Fully Automated Nagios): http:/ Opens a new window/www.fullyautomatednagios.org . I've been using it for quite a while now and I can say I'm pleased with it. Quite a treat if you can spare a physical machine or a virtual machine (I have it virtualised). The only downside so far is the rather lacking documentation for Centreon (which I like and use).

I personnaly use Nagios the old way (no I am not so old ;p ) : I install package nagios and nagios plug ins . All my config is very easy to switch ( a couple of flat files) to another host compared to latest nagios addins/plugins/distro requiring php , sql db , web server ,etc ... .

Next, we are going to setup authentication for the user nagiosadmin. Please be mindful not to change the username or else, you may be required to perform further configuration which may be quite tedious.

To check the web interface you must define the password for nagiosadmin user (default nagios administrator). This passsword must be encrypted. you can use htpasswd command to set that an save in

and check the nagios webpage at . If it is all correct, you have to see the authentication popup. When you are in the main page, you can monitor the localhost machine (nagios provides some information about hosts and services); all the services should be OK, but in some case you have to check some permissions/configurations.

Note: After the version 1.3 the plugin assume the presence of caget into the /usr/bin if that is not true to your site please fix it making a symbolic link like (i.e.): ln -s /opt/epics/base-3.14.9/bin/linux-x86/caget /usr/bin/caget

Note: Now looking around the files into /etc/nagios and adjust that to meet your network setup requirements. You will find an epicsExample.cfg which contains a pre-setted PV names, please adjust that to meet the yours.

Still somewhere back in my grey brain cells was the information that I need to enable the EPEL repositories for certain packages, including nagios-plugins needed for the systems monitoring. The EPEL repos can be activated using a RPM package which will do the configuration for you in the background:

What happens here is that nagios-plugins-all package requires the installation of the nagios-plugins-disk_smb package which in turn requires the Perl module utf8::all, yet no other package provides this module. Great job, Red Hat, great job.

Create a new configuration file /usr/local/nagios/etc/objects/remotehost.cfg to define the host and service definition for this particular remotehost. It is good to take the localhost.cfg and copy it as remotehost.cfg and start modifying it according to your needs.

I want to configure check_http plugin to monitor http url in a host. I can add the following in nrpe.cfg and restart the nrpe service:

command[check_http]=/usr/local/nagios/libexec/check_http -H myhost -I 127.0.0.1 -u -w 30 -c 60 -t 15

I followed exactly as you stated above but I can not find my remote linux machine listed under hosts in the web-interface of my nagios. however, I can run all the commands (eg: /usr/local/nagios/libexex/check_nrpe -H -c check_users) from the console quite successfully.

can you tell why is that so?

thank you

My question is : How to add icon/image in front of host or services on nagios portal.

for example i have one host in nagios it is RHEL7 i want to keep icon/image of REDHAT in front of host on nagios portal so that i can recognize easily.

how to do this process through nagios configurations ?

Thank you very much in advance.

-Jonus Joseph

My question is how does nagios execute this check (check_cpu_jonus) on remote server through SSH ? or any other protocol ?

or in other words i can say if we remove SSH from remote host will this check (check_cpu_jonus) will execute on remote host and give output to nagios server ?

Please help me to understand how does NRPE works from nagios server to remote server which we want to monitoring.

The config file contains the Nagios configuration options. Consult the nagios documentation for available settings and allowed options. Configuration entries of which multiple entries are allowed, need to be specified as an Array.

node['nagios']['server']['install_yum-epel'] - whether to install the EPEL repo or not (only applies to RHEL platform family). The default value is true. Set this to false if you do not wish to install the EPEL RPM; in this scenario you will need to make the relevant packages available via another method e.g. local repo, or install from source.

node['nagios']['http_port'] - port that the Apache/Nginx virtual site should listen on, determined whether ssl is enabled (443 if so, otherwise 80). Note: You will also need to configure the listening port for either NGINX or Apache within those cookbooks.

node['nagios']['default_user_name'] - Specify a defaut guest user to allow page access without authentication. --Only-- use this if nagios is running behind a secure webserver and users have been authenticated in some manner. You'll likely want to change node['nagios']['server_auth_require'] to all granted. Defaults to nil.

node['nagios']['templates'] - These set directives in the default host template. Unless explicitly overridden, they will be inherited by the host definitions for each discovered node and nagios_unmanagedhosts data bag. For more information about these directives, see the Nagios documentation for host definitions.

You can define pagerduty contacts and keys by creating nagios_pagerduty data bags that contain the contact and the relevant key. Setting admin_contactgroup to "true" will add this pagerduty contact to the admin contact group created by this cookbook.

With NRPE commands created using the LWRP you will need to define Nagios services to use those commands. These services are defined using the nagios_services data bag and applied to roles and/or environments. See --Services--

[COOK-3774]Services can be limited to run on nagios servers in specific chef environments by adding a new "activate_check_in_environment" key to the services data bag. See the Services section of the readme for an example.

The main incompatibility and breaking change is that the default services that are monitored by Nagios is reduced to only the "check-nagios" service. This means that existing installations will need to start converting checks over to the new data bag entries.

The plugin check_multipath grabs the status of each path by opening aconnection to the multipathd socket. The default value is currently set tothe Linux abstract socket namespace @/org/kernel/linux/storage/multipathd,but can be modified at build time by using the option --with-socketfile. 006ab0faaa