Next, add both the nagios user and the apache user to the nagcmd group using the usermod command. Install Apache and PHP Step 2: Create Nagios User and GroupĬreate a new nagios user using the useradd command and nagcmd group account and set a password. # yum install -y httpd httpd-tools php gcc glibc glibc-common gd gd-devel make net-snmp And to do so, we can use the yum package installer. We need to install Apache, PHP, and some libraries like gcc, glibc, glibc-common, and GD libraries and their development libraries before installing Nagios with the source.

Nagios web interface will be available at Step 1: Install Apache and PHP Packages.Nagios will be configured to monitor a few services of your local machine ( Disk Usage, CPU Load, Current Users, Total Processes, etc.).Nagios and its plugins will be installed under the /usr/local/nagios directory.If you follow these instructions correctly, you will end up with the following information. Installing Nagios Core and Nagios Plugin in Linux Upgrading Nagios 3.x to Nagios Core 4.x.Step 12: Log in to the Nagios Web Interface.

Step 10: Add Nagios Services to System Startup.

Step 9: Verify Nagios Configuration Files.

Step 8: Compile and Install Nagios Plugin.Step 7: Install and Configure the Web Interface for Nagios.Step 6: Customizing Nagios Configuration.Step 5: Installing and Configuring Nagios Core.Step 4: Extract Nagios Core and Nagios Plugins.Step 3: Download Nagios Core and Nagios Plugin.Step 1: Install Apache and PHP Packages.Installing Nagios Core and Nagios Plugin in Linux.Within 30 minutes you will be monitoring your local machine, no advanced installation procedure only basic installation that will work 100% on most of today’s Linux servers. This article is intended to guide you with easy instructions on how to install and configure the latest version of Nagios Core from source (tarball) on RHEL and RHEL-based distributions such as CentOS Stream, Rocky Linux, AlmaLinux, and Fedora. Recently, Nagios released its latest version Nagios Core 4.4.9, and its latest stable release of Nagios plugins 2.3.3 on October 4, 2022. It helps us to reduce downtime and business losses. It shows warnings and indicates if something goes wrong in your servers which eventually helps us to detect some problems before they occur. With Nagios, you can monitor your remote hosts and their services remotely on a single window. Nagios is an awesome Open Source monitoring tool, that provides a more comprehensive monitoring environment to always keep an eye on your all machines/networks whether you are in your data center or just your small labs.

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