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Nagios Core - Installing Nagios Core From Source

Installing Nagios Core From Source

This document describes how to install Nagios Core from source.

This guide is broken up into several sections and covers different operating system (OS) distributions. If your OS Distribution is not included in this guide then please contact us to see if we can get it added. Some distributions may be missing as we don't have access to a test environment that allows us to develop the documentation.

Nagios Core 4.3.1 and Nagios Plugins 2.2.0 is what this guide instructs you to install, however future versions should also work fine with these steps.

This documentation is broken up into two distinct sections:

  • Install Nagios Core

  • Install Nagios Plugins

This separation is to make a clear distinction as to what prerequisite packages are required by the OS it is being installed on. For example the SNMP packages are installed as part of the Nagios Plugins section, as SNMP is not required by Nagios Core.

 

 

Security-Enhanced Linux

This guide is based on SELinux being disabled or in permissive mode. Steps to do this are as follows.

 

CentOS | RHEL | Oracle Linux | Fedora

sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
setenforce 0

 

Ubuntu

SELinux is not enabled by default on Ubuntu. If you would like to see if it is installed run the following command:

sudo dpkg -l selinux*

 

Debian

SELinux is not enabled by default on Debian. If you would like to see if it is installed run the following command:

dpkg -l selinux*

 

SUSE | openSUSE Leap | FreeBSD

SELinux is not enabled by default on SUSE and FreeBSD. If you would like to see if it is enabled run the following command:

ls -la /etc/selinux/config

If the file does not exist, SELinux is not enabled.

 

Solaris

SELinux is not implemented in Solaris and hence is not an issue.

 

Apple OS X

SELinux is not implemented in Apple OS X and hence is not an issue.

 

 

 

Prerequisites

Perform these steps to install the pre-requisite packages.

 

CentOS | RHEL | Oracle Linux

yum install -y gcc glibc glibc-common wget unzip httpd php gd gd-devel

 

Ubuntu 13.x / 14.x / 15.x

sudo apt-get update
sudo apt-get install -y autoconf gcc libc6 make wget unzip apache2 apache2-utils php5 libgd2-xpm-dev

 

Ubuntu 16.x

sudo apt-get update
sudo apt-get install -y autoconf gcc libc6 make wget unzip apache2 php libapache2-mod-php7.0 libgd2-xpm-dev

 

Debian

All steps on Debian require to run as root. To become root simply run:

su

All commands from this point onwards will be as root.

apt-get update
apt-get install -y autoconf gcc libc6 make wget unzip apache2 apache2-utils php5 libgd2-xpm-dev

 

SUSE SLES 11.3

cd /tmp
wget 'https://nu.novell.com/repo/$RCE/SLE11-SDK-SP3-Pool/sle-11-x86_64/rpm/x86_64/sle-sdk-release-11.3-1.69.x86_64.rpm'
wget 'https://nu.novell.com/repo/$RCE/SLE11-SDK-SP3-Pool/sle-11-x86_64/rpm/x86_64/sle-sdk-release-SDK-11.3-1.69.x86_64.rpm'
sudo rpm -ivh sle-sdk-release-*
sudo suse_register
sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php53 apache2-mod_php53 gd gd-devel

 

SUSE SLES 11.4

cd /tmp
wget 'https://nu.novell.com/repo/$RCE/SLE11-SDK-SP4-Pool/sle-11-x86_64/rpm/x86_64/sle-sdk-release-11.4-1.55.x86_64.rpm'
wget 'https://nu.novell.com/repo/$RCE/SLE11-SDK-SP4-Pool/sle-11-x86_64/rpm/x86_64/sle-sdk-release-SDK-11.4-1.55.x86_64.rpm'
sudo rpm -ivh sle-sdk-release-*
sudo suse_register
sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php53 apache2-mod_php53 gd gd-devel

 

SUSE SLES 12

sudo SUSEConnect -p sle-sdk/12/x86_64
sudo SUSEConnect -p sle-module-web-scripting/12/x86_64
sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php5 apache2-mod_php5 gd gd-devel

 

SUSE SLES 12.1

sudo SUSEConnect -p sle-sdk/12.1/x86_64
sudo SUSEConnect -p sle-module-web-scripting/12/x86_64
sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php5 apache2-mod_php5 gd gd-devel

 

SUSE SLES 12.2

sudo SUSEConnect -p sle-sdk/12.2/x86_64
sudo SUSEConnect -p sle-module-web-scripting/12/x86_64
sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php5 apache2-mod_php5 gd gd-devel

  

openSUSE Leap 42.1

sudo zypper --non-interactive install autoconf gcc glibc make wget unzip apache2 apache2-utils php5 apache2-mod_php5 gd gd-devel

 

Fedora 23

dnf install -y gcc glibc glibc-common perl httpd php wget gd gd-devel
dnf update -y

 

FreeBSD

pkg install -y wget autoconf automake gettext gcc apache24 php70 php70-extensions mod_php70 libgd

 

Solaris 11

echo 'export PATH=$PATH:/opt/csw/bin:/usr/xpg4/bin:/usr/sfw/bin' >> ~/.profile
source ~/.profile
pkgadd -d http://get.opencsw.org/now
answer all
answer y
perl -ni.bak -le 'print; print "mirror=http://mirrors.ibiblio.org/opencsw/stable" if /mirror=/' /etc/opt/csw/pkgutil.conf
pkgutil -y -i autoconf automake unzip gd
pkg install gcc-45 web/php-53 apache-php53 gd

 

Apple OS X

First, make sure Xcode is installed. If it is not installed visit the App Store and install Xcode (3.8GB download).

Then you need to download and install MacPorts, instructions for doing this can be found here:

https://www.macports.org/install.php

Once you've done this, follow these steps in a terminal session:

sudo xcodebuild -license
View the agreement and then type agree
sudo xcode-select --install

You will be prompted on your Mac display to install the component, click install

Click Agree

Wait while it is downloaded and installed

Continue in your terminal session (you may need to close and open your terminal session):

sudo port install zlib libpng jpeg gd2 apache2 php70 php70-apache2handler

 

 

Downloading the Source

CentOS | RHEL | Ubuntu | Fedora | openSUSE | SUSE SLES | Solaris 11 | Oracle Linux | Debian | FreeBSD

cd /tmp
wget -O nagioscore.tar.gz https://github.com/NagiosEnterprises/nagioscore/archive/nagios-4.3.1.tar.gz
tar xzf nagioscore.tar.gz

 

Apple OS X

cd /tmp
curl -L -o nagioscore.tar.gz https://github.com/NagiosEnterprises/nagioscore/archive/nagios-4.3.1.tar.gz
tar xzf nagioscore.tar.gz

 
 

Compile

CentOS | RHEL | Oracle Linux | Fedora

cd /tmp/nagioscore-nagios-4.3.1/
./configure
make all

 

FreeBSD

cd /tmp/nagioscore-nagios-4.3.1/
./configure --with-httpd-conf=/usr/local/etc/apache24/Includes
gmake all

 

Ubuntu

cd /tmp/nagioscore-nagios-4.3.1/
sudo ./configure --with-httpd-conf=/etc/apache2/sites-enabled
sudo make all

 

Debian

cd /tmp/nagioscore-nagios-4.3.1/
./configure --with-httpd-conf=/etc/apache2/sites-enabled
make all

 

SUSE SLES | openSUSE Leap 42.1

cd /tmp/nagioscore-nagios-4.3.1/
sudo ./configure --with-httpd-conf=/etc/apache2/vhosts.d
sudo make all

 

Solaris 11

cd /tmp/nagioscore-nagios-4.3.1/
./configure --with-httpd-conf=/etc/apache2/2.2/conf.d --with-gd-inc=/usr/include/gd2
gmake all

 

Apple OS X

cd /tmp/nagioscore-nagios-4.3.1/
sudo ./configure --with-httpd-conf=/opt/local/apache2/conf/extra --with-gd-lib=/opt/local/lib --with-gd-inc=/opt/local/include
sudo make all

 

 

Create User And Group

This creates the nagios user and group. The apache user is also added to the nagios group.

CentOS | RHEL | Oracle Linux | Fedora

useradd nagios
usermod -a -G nagios apache

 

FreeBSD

pw user add nagios
pw group mod nagios -m www

 

Ubuntu

sudo useradd nagios
sudo usermod -a -G nagios www-data

 

Debian

useradd nagios
usermod -a -G nagios www-data

 

SUSE SLES 11.x

sudo /usr/sbin/useradd nagios
sudo /usr/sbin/groupadd nagios
sudo /usr/sbin/usermod -A nagios nagios
sudo /usr/sbin/usermod -A nagios wwwrun

 

SUSE SLES 12.x | openSUSE

sudo /usr/sbin/useradd nagios
sudo /usr/sbin/groupadd nagios
sudo /usr/sbin/usermod -a -G nagios nagios
sudo /usr/sbin/usermod -a -G nagios wwwrun

 

Solaris 11

useradd nagios
groupadd nagios
usermod -G nagios nagios
usermod -G nagios webservd

 

Apple OS X

Currently Nagios Core does not have a built in script for creating the nagios user and group. However NRPE v3 does have this script, so we're going to download it and run it which makes things easy.

curl -L -o add_group_user https://raw.githubusercontent.com/NagiosEnterprises/nrpe/master/macros/add_group_user
sudo sh add_group_user osx nagios nagios
sudo dseditgroup -o edit -a _www -t user nagios

 

 

Install Binaries

This step installs the binary files, CGIs, and HTML files.

 

CentOS | RHEL | Oracle Linux | Debian | Fedora

make install

 

FreeBSD

gmake install

 

Ubuntu | SUSE SLES | openSUSE

sudo make install

 

Solaris 11

gmake install

 

Apple OS X

sudo make install

 

 

Install Service / Daemon

This installs the service or daemon files and also configures them to start on boot. The Apache httpd service is also configured at this point.

CentOS 5.x / 6.x | RHEL 5.x / 6.x | Oracle Linux 5.x / 6.x

make install-init
chkconfig --add nagios
chkconfig --level 2345 httpd on

 

CentOS 7.x | RHEL 7.x | Oracle Linux 7.x | Fedora 23

make install-init
systemctl enable nagios.service
systemctl enable httpd.service

 

FreeBSD

gmake install-init
echo '/usr/local/etc/rc.d/nagios start' >> /etc/rc.local

 

Ubuntu

sudo make install-init
sudo update-rc.d nagios defaults

 

Debian 7.x

make install-init
update-rc.d nagios defaults

 

Debian 8.x

make install-init
systemctl enable nagios.service

 

SUSE SLES 11.x

sudo make install-init
sudo /sbin/chkconfig --set nagios on

 

SUSE SLES 12.x | openSUSE

sudo make install-init
sudo systemctl enable nagios.service

 

Solaris 11

gmake install-init
svcbundle -o /lib/svc/manifest/site/nagios.xml -s service-name=application/nagios -s rc-script=/etc/init.d/nagios:2 -s model=contract

 

Apple OS X

This installs the script in /etc/rc.d/init.d/nagios which is not the correct way it should be run in OS X however a native OS X launch script does not exist in this version of Nagios Core.

sudo make install-init

 

You will configure it to start at boot using a Global Daemon property list.

Open the vi text editor with the following command:

sudo vi /Library/LaunchDaemons/org.nagios.nagios.plist

This creates a new file.

Press i on the keyboard to enter insert mode.

Paste the following into the vi editor:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple/DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>Label</key>
        <string>org.nagios.nagios</string>
        <key>UserName</key>
        <string>nagios</string>
        <key>GroupName</key>
        <string>nagios</string>
        <key>Program</key>
        <string>/etc/rc.d/init.d/nagios</string>
        <key>ProgramArguments</key>
        <array>
                <string>nagios</string>
                <string>start</string>
        </array>
        <key>KeepAlive</key>
        <dict>
                <key>SuccessfulExit</key>
                <false/>
                <key>NetworkState</key>
                <true/>
        </dict>
        <key>RunAtLoad</key>
        <true/>
        <key>ProcessType</key>
        <string>Background</string>
</dict>
</plist>

 

Press escape on the keyboard to exit insert mode.

Type :wq on the and press Enter.

The file has been saved and Nagios will automatically start on the next boot.

 

 

Information on starting and stopping services will be explained further on.

 

 

Install Command Mode

This installs and configures the external command file.

CentOS | RHEL | Oracle Linux | Debian | Fedora

make install-commandmode

 

FreeBSD

gmake install-commandmode

 

Ubuntu | SUSE SLES | openSUSE

sudo make install-commandmode

 

Solaris 11

gmake install-commandmode

 

Apple OS X

sudo make install-commandmode

 

 

Install Configuration Files

This installs the *SAMPLE* configuration files. These are required as Nagios needs some configuration files to allow it to start.

CentOS | RHEL | Oracle Linux | Debian | Fedora

make install-config

 

FreeBSD

gmake install-config

 

Ubuntu | SUSE SLES | openSUSE

sudo make install-config

 

Solaris 11

gmake install-config

 

Apple OS X

sudo make install-config

 

 

Install Apache Config Files

This installs the Apache web server configuration files. Also configure Apache settings if required.

CentOS | RHEL | Oracle Linux | Fedora

make install-webconf

 

FreeBSD

gmake install-webconf

 

As well as installing the Apache web server configuration files, there are additional changes required to the Apache config file httpd.conf to enable modules.

Commands that do all of these changes are below, but first is a list of the changes being made.

Change this:

<IfModule !mpm_prefork_module>
        #LoadModule cgid_module libexec/apache24/mod_cgid.so
</IfModule>
<IfModule mpm_prefork_module>
        #LoadModule cgi_module libexec/apache24/mod_cgi.so
</IfModule>

To this:

<IfModule !mpm_prefork_module>
        LoadModule cgid_module libexec/apache24/mod_cgid.so
</IfModule>
<IfModule mpm_prefork_module>
        LoadModule cgi_module libexec/apache24/mod_cgi.so
</IfModule>

 

Change this:

<IfModule dir_module>
    DirectoryIndex index.html
</IfModule>

To this:

<IfModule dir_module>
    DirectoryIndex index.php index.html index.htm AddType application/x-httpd-php .phpAddType application/x-httpd-php-source .phps
</IfModule>

 

Add these lines to the end of the file:

<FilesMatch ".php$">
    SetHandler application/x-httpd-php
</FilesMatch>
<FilesMatch ".phps$">
    SetHandler application/x-httpd-php-source
</FilesMatch>

 

Execute the following commands to make the changes described above:

cp /usr/local/etc/php.ini-production /usr/local/etc/php.ini
echo 'apache24_enable="YES"' >> /etc/rc.conf
sed -i '' 's/DirectoryIndex index.html/DirectoryIndex index.php index.html index.htm AddType application\/x-httpd-php .phpAddType application\/x-httpd-php-source .phps/g' /usr/local/etc/apache24/httpd.conf
sed -i '' 's/#LoadModule cgid_module/LoadModule cgid_module/g' /usr/local/etc/apache24/httpd.conf
sed -i '' 's/#LoadModule cgi_module/LoadModule cgi_module/g' /usr/local/etc/apache24/httpd.conf
printf '\n<FilesMatch ".php$">\n' >> /usr/local/etc/apache24/httpd.conf
printf '\tSetHandler application/x-httpd-php\n' >> /usr/local/etc/apache24/httpd.conf
printf '</FilesMatch>\n' >> /usr/local/etc/apache24/httpd.conf
printf '<FilesMatch ".phps$">\n' >> /usr/local/etc/apache24/httpd.conf
printf '\tSetHandler application/x-httpd-php-source\n' >> /usr/local/etc/apache24/httpd.conf
printf '</FilesMatch>\n' >> /usr/local/etc/apache24/httpd.conf

 

Ubuntu

sudo make install-webconf
sudo a2enmod rewrite
sudo a2enmod cgi

 

Debian

make install-webconf
a2enmod rewrite
a2enmod cgi

 

SUSE SLES 11.x

sudo make install-webconf
sudo /usr/sbin/a2enmod rewrite
sudo /usr/sbin/a2enmod cgi
sudo /usr/sbin/a2enmod version
sudo /usr/sbin/a2enmod php5
sudo /sbin/chkconfig --set apache2 on

 

SUSE SLES 12.x | openSUSE

sudo make install-webconf
sudo /usr/sbin/a2enmod rewrite
sudo /usr/sbin/a2enmod cgi
sudo /usr/sbin/a2enmod version
sudo /usr/sbin/a2enmod php5
sudo systemctl enable apache2.service

 

Solaris 11

gmake install-webconf

 

Apple OS X

sudo make install-webconf

 

As well as installing the Apache web server configuration files, there are additional changes required to the Apache config file httpd.conf to enable modules.

Commands that do all of these changes are below, but first is a list of the changes being made.

Change this:

<IfModule dir_module>
    DirectoryIndex index.html
</IfModule>

To this:

<IfModule dir_module>
    DirectoryIndex index.php index.html index.htm AddType application/x-httpd-php .phpAddType application/x-httpd-php-source .phps
</IfModule>

 

Add these lines to the end of the file:

Include conf/extra/nagios.conf
Include conf/extra/mod_php70.conf

 

Execute the following commands to make the changes described above:

sudo cp /opt/local/etc/php70/php.ini-production /opt/local/etc/php70/php.ini
cd /opt/local/apache2/modules/
sudo /opt/local/apache2/bin/apxs -a -e -n php7 mod_php70.so
printf '\nInclude conf/extra/nagios.conf\n' | sudo tee -a /opt/local/apache2/conf/httpd.conf
printf '\nInclude conf/extra/mod_php70.conf\n' | sudo tee -a /opt/local/apache2/conf/httpd.conf
sudo sed -i '' 's/DirectoryIndex index.html/DirectoryIndex index.php index.html index.htm AddType application\/x-httpd-php .phpAddType application\/x-httpd-php-source .phps/g' /opt/local/apache2/conf/httpd.conf

 

 

Configure Firewall

You need to allow port 80 inbound traffic on the local firewall so you can reach the Nagios Core web interface.

CentOS 5.x / 6.x | RHEL 5.x / 6.x | Oracle Linux 5.x / 6.x

iptables -I INPUT -p tcp --destination-port 80 -j ACCEPT
service iptables save

 

CentOS 7.x | RHEL 7.x | Oracle Linux 7.x

firewall-cmd --zone=public --add-port=80/tcp
firewall-cmd --zone=public --add-port=80/tcp --permanent

 

Ubuntu

sudo ufw allow Apache
sudo ufw reload

 

Debian

iptables -I INPUT -p tcp --destination-port 80 -j ACCEPT
apt-get install -y iptables-persistent

Answer yes to saving existing rules

 

SUSE SLES 11.x

sudo sed -i '/FW_SERVICES_EXT_TCP=/s/\"$/\ 80\"/' /etc/sysconfig/SuSEfirewall2
sudo /sbin/service SuSEfirewall2_init restart
sudo /sbin/service SuSEfirewall2_setup restart

 

SUSE SLES 12.x

sudo sed -i '/FW_SERVICES_EXT_TCP=/s/\"$/\ 80\"/' /etc/sysconfig/SuSEfirewall2
sudo systemctl restart SuSEfirewall2

 

openSUSE Leap 42.1

Port 80 is enabled when Apache is installed, nothing needs to be done.

 

Fedora 23

firewall-cmd --zone=FedoraServer --add-port=80/tcp
firewall-cmd --zone=FedoraServer --add-port=80/tcp --permanent

 

Solaris 11

On a manually networked system, IP Filter is not enabled by default. Please refer to the Solaris documentation for information on how to enable or configure IP Filter to allow TCP port 80 inbound.

Documentation - Configuring IP Filter

 

FreeBSD

Please refer to the FreeBSD documentation for information on how to enable or configure IP Filter to allow TCP port 80 inbound.

Documentation - Firewalls

 

Apple OS X

The firewall in OS X is turned off by default. Please refer to the Apple documentation for information on how to enable or configure TCP port 80 inbound.

 

 

Create nagiosadmin User Account

You'll need to create an Apache user account to be able to log into Nagios.

The following command will create a user account called nagiosadmin and you will be prompted to provide a password for the account.

CentOS | RHEL | Oracle Linux | Debian | Fedora | FreeBSD | Solaris 11

htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

 

Ubuntu | Apple OS X

sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

 

SUSE SLES | openSUSE

sudo htpasswd2 -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

 

When adding additional users in the future, you need to remove -c from the above command otherwise it will replace the existing nagiosadmin user (and any other users you may have added).

 

 

Start Apache Web Server

Different Linux distributions have different methods of starting the Apache web server.

CentOS 5.x / 6.x | RHEL 5.x / 6.x | Oracle Linux 5.x / 6.x

service httpd start

 

CentOS 7.x | RHEL 7.x | Oracle Linux 7.x | Fedora

systemctl start httpd.service

 

FreeBSD

service apache24 start

 

Ubuntu 13.x / 14.x

Need to restart it because it is already running.

sudo service apache2 restart

 

Ubuntu 15.x / 16.x

Need to restart it because it is already running.

sudo systemctl restart apache2.service

 

Debian 7.x

Need to restart it because it is already running.

service apache2 restart

 

Debian 8.x

Need to restart it because it is already running.

systemctl restart apache2.service

 

SUSE SLES 11.x

sudo /sbin/service apache2 start

 

SUSE SLES 12.x | openSUSE

sudo systemctl start apache2.service

 

Solaris 11

svcadm enable apache22

 

Apple OS X

sudo port load apache2

 

 

Start Service / Daemon

Different Linux distributions have different methods of starting Nagios Core.

CentOS 5.x / 6.x | RHEL 5.x / 6.x | Oracle Linux 5.x / 6.x | Debian 7.x | FreeBSD

service nagios start

 

CentOS 7.x | RHEL 7.x | Oracle Linux 7.x | Debian 8.x | Fedora

systemctl start nagios.service

 

Ubuntu 13.x / 14.x

sudo service nagios start

 

Ubuntu 15.x / 16.x

sudo systemctl start nagios.service

 

SUSE SLES 11.x

sudo /sbin/service nagios start

 

SUSE SLES 12.x | openSUSE

sudo systemctl start nagios.service

 

Solaris 11

svcadm restart manifest-import
svcadm enable nagios

 

Apple OS X

sudo /etc/rc.d/init.d/nagios start

 

 

Test Nagios

Nagios is now running, to confirm this you need to log into the Nagios Web Interface.

Point your web browser to the ip address or FQDN of your Nagios Core server, for example:

http://10.25.5.143/nagios

http://core-013.domain.local/nagios

You will be prompted for a username and password. The username is nagiosadmin (you created it in a previous step) and the password is what you provided earlier.

Once you have logged in you are presented with the Nagios interface. Congratulations you have installed Nagios Core.

BUT WAIT ...

Currently you have only installed the Nagios Core engine. You'll notice some errors under the hosts and services along the lines of:

(No output on stdout) stderr: execvp(/usr/local/nagios/libexec/check_load, ...) failed. errno is 2: No such file or directory 

These errors will be resolved once you install the Nagios Plugins, which is covered in the next step.

 

 

 

 

Installing The Nagios Plugins

Nagios Core needs plugins to operate properly. The following steps will walk you through installing Nagios Plugins.

These steps install nagios-plugins 2.2.0. Newer versions will become available in the future and you can use those in the following installation steps. Please see the releases page on GitHub for all available versions.

Please note that the following steps install most of the plugins that come in the Nagios Plugins package. However there are some plugins that require other libraries which are not included in those instructions. Please refer to the following KB article for detailed installation instructions:

Documentation - Installing Nagios Plugins From Source

 

 

Prerequisites

Make sure that you have the following packages installed.

CentOS 5.x

yum install -y gcc glibc glibc-common make gettext automake wget openssl-devel net-snmp net-snmp-utils epel-release
yum install -y perl-Net-SNMP
cd /tmp
wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.60.tar.gz
tar xzf autoconf-2.60.tar.gz
cd /tmp/autoconf-2.60
./configure
make
make install

 

CentOS 6.x / 7.x

yum install -y gcc glibc glibc-common make gettext automake autoconf wget openssl-devel net-snmp net-snmp-utils epel-release
yum install -y perl-Net-SNMP

 

RHEL 5.x | Oracle Linux 5.x

cd /tmp
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-5.noarch.rpm
rpm -ihv epel-release-latest-5.noarch.rpm
yum install -y gcc glibc glibc-common make gettext automake wget openssl-devel net-snmp net-snmp-utils
yum install -y perl-Net-SNMP
wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.60.tar.gz
tar xzf autoconf-2.60.tar.gz
cd /tmp/autoconf-2.60
./configure
make
make install

 

RHEL 6.x | Oracle Linux 6.x

cd /tmp
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
rpm -ihv epel-release-latest-6.noarch.rpm
yum install -y gcc glibc glibc-common make gettext automake autoconf wget openssl-devel net-snmp net-snmp-utils
yum install -y perl-Net-SNMP

 

RHEL 7.x

cd /tmp
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -ihv epel-release-latest-7.noarch.rpm
subscription-manager repos --enable=rhel-7-server-optional-rpms
yum install -y gcc glibc glibc-common make gettext automake autoconf wget openssl-devel net-snmp net-snmp-utils
yum install -y perl-Net-SNMP

 

Oracle Linux 7.x

yum install -y yum-utils
yum-config-manager --enable ol7_optional_latest
cd /tmp
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -ihv epel-release-latest-7.noarch.rpm
yum install -y gcc glibc glibc-common make gettext automake autoconf wget openssl-devel net-snmp net-snmp-utils
yum install -y perl-Net-SNMP

 

Ubuntu

sudo apt-get install -y autoconf gcc libc6 libmcrypt-dev make libssl-dev wget bc gawk dc build-essential snmp libnet-snmp-perl gettext

 

Debian

apt-get install -y autoconf gcc libc6 libmcrypt-dev make libssl-dev wget bc gawk dc build-essential snmp libnet-snmp-perl gettext

 

Fedora

dnf install -y gcc glibc glibc-common openssl-devel perl wget gettext make net-snmp net-snmp-utils perl-Net-SNMP automake autoconf

 

SUSE SLES 11.x, 12.x | openSUSE Leap 42.1

sudo zypper --non-interactive install autoconf gcc glibc libmcrypt-devel make libopenssl-devel wget gettext gettext-runtime automake net-snmp perl-Net-SNMP

 

FreeBSD

In the steps below, when installing FreeBSD packages you will be prompted with screens asking what you would like installed. You can just press Enter to accept the default selections.

pkg install -y wget autoconf automake gettext gcc openssl-devel net-snmp p5-Net-SNMP-Util

 

Apple OS X

Refer to the Compile +Install steps below.

 

Solaris 11

Already completed as part of the Nagios installation. Some of the plugins require the NET::SNMP perl module. Please refer to the following documentation:

http://www.net-snmp.org/docs/README.solaris.html

 

 

 

Downloading the Source

CentOS | RHEL | Ubuntu | Fedora | SUSE SLES | openSUSE | Oracle Linux | Solaris 11 | FreeBSD | Debian

cd /tmp
wget --no-check-certificate -O nagios-plugins.tar.gz https://github.com/nagios-plugins/nagios-plugins/archive/release-2.2.0.tar.gz
tar zxf nagios-plugins.tar.gz

 

Apple OS X

Refer to the Compile +Install steps below.

 

 

Compile + Install

CentOS | RHEL | Fedora | Oracle Linux | Debian

cd /tmp/nagios-plugins-release-2.2.0/
./tools/setup
./configure
make
make install

 

FreeBSD

cd /tmp/nagios-plugins-release-2.2.0/
./tools/setup
./configure
gmake
gmake install

 

Ubuntu | SUSE SLES | openSUSE

cd /tmp/nagios-plugins-release-2.2.0/
sudo ./tools/setup
sudo ./configure
sudo make
sudo make install

 

Solaris 11

cd /tmp/nagios-plugins-release-2.2.0/
./tools/setup
./configure
gmake
gmake install

 

Apple OS X

We are going to install the Nagios Plugins that are available via MacPorts. Future versions of the Nagios Plugins package will be updated to support OS X, until then the version available via MacPorts will be fine.

These get installed to /opt/local/libexec/nagios/ so the /usr/local/nagios/etc/resource.cfg file also needs to be updated and Nagios restarted (covered in the steps below).

sudo port install nagios-plugins
sudo sed -i '' 's/\/usr\/local\/nagios\/libexec/\/opt\/local\/libexec\/nagios/g' /usr/local/nagios/etc/resource.cfg
sudo /etc/rc.d/init.d/nagios stop
sudo /etc/rc.d/init.d/nagios start

 

 

Test Plugins

Point your web browser to the ip address or FQDN of your Nagios Core server, for example:

http://10.25.5.143/nagios

http://core-013.domain.local/nagios

Go to a host or service object and "Re-schedule the next check" under the Commands menu. The error you previously saw should now disappear and the correct output will be shown on the screen.

 

 

Service / Daemon Commands

Different Linux distributions have different methods of starting / stopping / restarting / status Nagios.

CentOS 5.x / 6.x | RHEL 5.x / 6.x | Oracle Linux 5.x / 6.x | Debian 7.x | FreeBSD

service nagios start
service nagios stop
service nagios restart
service nagios status

 

CentOS 7.x | RHEL 7.x | Oracle Linux 7.x | Fedora | Debian 8.x

systemctl start nagios.service
systemctl stop nagios.service
systemctl restart nagios.service
systemctl status nagios.service

 

SUSE SLES 11.x

sudo /sbin/service nagios start
sudo /sbin/service nagios stop
sudo /sbin/service nagios restart
sudo /sbin/service nagios status

 

SUSE SLES 12.x | openSUSE Leap 42.1

sudo systemctl start nagios.service
sudo systemctl stop nagios.service
sudo systemctl restart nagios.service
sudo systemctl status nagios.service

 

Ubuntu 13.x, 14.x

sudo service nagios start
sudo service nagios stop
sudo service nagios restart
sudo service nagios status

 

Ubuntu 15.x, 16.x | openSUSE Leap 42.1

sudo systemctl start nagios.service
sudo systemctl stop nagios.service
sudo systemctl restart nagios.service
sudo systemctl status nagios.service

 

Solaris 11

svcadm enable nagios
svcadm disable nagios
svcadm restart nagios
svcs nagios
svcs -xv nagios
svcadm clear nagios

 

Apple OS X

sudo /etc/rc.d/init.d/nagios start
sudo /etc/rc.d/init.d/nagios stop
sudo /etc/rc.d/init.d/nagios restart
sudo /etc/rc.d/init.d/nagios status

 

 

 

Final Thoughts

For any support related questions please visit the Nagios Support Forums at:

http://support.nagios.com/forum/

 

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