One-Click Nagios Setup: Execute Setup Script
Setting Up Nagios Master Server
Create a
.sh
file on your server, give it execute permissions(
chmod +x setup_
nagios.sh
), and copy the following content into it. Replacenagios-4.5.0
with your desired Nagios versionThis .sh file will ask to enter password which will use to sign in to Nagios
#!/bin/bash
# Update package lists
sudo apt-get update
# Install prerequisites
sudo apt-get install -y wget curl build-essential unzip openssl libssl-dev apache2 php libapache2-mod-php php-gd libgd-dev
# Download Nagios Core
wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.5.0.tar.gz
# Extract Nagios Core
tar zxvf nagios-4.5.0.tar.gz
cd nagios-4.5.0
# Configure Nagios Core
sudo ./configure --with-command-group=nagcmd
sudo make all
sudo make install
sudo make install-init
sudo make install-config
sudo make install-commandmode
# Add Nagios users and groups
sudo make install-groups-users
sudo groupadd nagcmd
sudo usermod -a -G nagcmd nagios
sudo usermod -a -G nagcmd www-data
# Copy event handlers
sudo cp -R contrib/eventhandlers/ /usr/local/nagios/libexec/
sudo chown -R nagios:nagios /usr/local/nagios/libexec/eventhandlers
# Install Apache configuration
sudo make install-webconf
# Create Nagios admin user
sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
# Enable Apache modules
sudo a2enmod cgi rewrite
# Restart Apache service
sudo systemctl restart apache2
# Install Nagios plugins
cd ~
wget https://nagios-plugins.org/download/nagios-plugins-2.4.4.tar.gz
tar -zxvf nagios-plugins-2.4.4.tar.gz
cd nagios-plugins-2.4.4
sudo ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl
sudo make
sudo make install
#!/bin/bash
# Update package lists
sudo apt-get update
# Install prerequisites
sudo apt-get install -y wget curl build-essential unzip openssl libssl-dev apache2 php libapache2-mod-php php-gd libgd-dev
# Download Nagios Core
wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.5.0.tar.gz
# Extract Nagios Core
tar zxvf nagios-4.5.0.tar.gz
cd nagios-4.5.0
# Configure Nagios Core
sudo ./configure --with-command-group=nagcmd
sudo make all
sudo make install
sudo make install-init
sudo make install-config
sudo make install-commandmode
# Add Nagios users and groups
sudo make install-groups-users
sudo groupadd nagcmd
sudo usermod -a -G nagcmd nagios
sudo usermod -a -G nagcmd www-data
# Copy event handlers
sudo cp -R contrib/eventhandlers/ /usr/local/nagios/libexec/
sudo chown -R nagios:nagios /usr/local/nagios/libexec/eventhandlers
# Install Apache configuration
sudo make install-webconf
# Enable Apache modules
sudo a2enmod cgi rewrite
# Restart Apache service
sudo systemctl restart apache2
# Install Nagios plugins
cd ~
wget https://nagios-plugins.org/download/nagios-plugins-2.4.4.tar.gz
tar -zxvf nagios-plugins-2.4.4.tar.gz
cd nagios-plugins-2.4.4
sudo ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl
sudo make
sudo make install
# Make the following directory
sudo mkdir /usr/local/nagios/etc/servers
# Create Nagios admin user
sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
# Verify the configuration before starting Nagios.
sudo /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
# Start Nagios service
sudo systemctl start nagios
sudo systemctl enable nagios
# Configure Nagios to monitor servers
sudo sed -i 's/#cfg_dir=\/usr\/local\/nagios\/etc\/servers/cfg_dir=\/usr\/local\/nagios\/etc\/servers/' /usr/local/nagios/etc/nagios.cfg
# Access Nagios Web Interface
echo "Access Nagios at http://server-ip/nagios/"
echo "Username: nagiosadmin"
echo "Password: (set during 'htpasswd' configuration)"
Access Nagios with http://server-ip/nagios/
username => nagiosadmin
password => configured by you (when prompted to enter password)
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