{"id":2494,"date":"2023-10-19T13:02:37","date_gmt":"2025-06-22T21:54:00","guid":{"rendered":""},"modified":"2025-02-02T00:46:18","modified_gmt":"2025-02-01T23:46:18","slug":"how-to-install-and-configure-nagios-on-centos-8","status":"publish","type":"post","link":"https:\/\/netcloud24.com\/knowledgebase\/how-to-install-and-configure-nagios-on-centos-8\/","title":{"rendered":"How To Install and Configure Nagios on CentOS 8"},"content":{"rendered":"

\u00a0<\/p>\n<\/p>\n

\u00a0<\/h1>\n

Nagios<\/strong> is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. In this guide, we will walk you through the steps to install and configure Nagios on CentOS 8.<\/p>\n

Step 1: Update Your System<\/h2>\n

Start by ensuring your system is up to date:<\/p>\n

sudo dnf update -y<\/code><\/pre>\n
Step 2: Install Required Packages<\/h2>\n
Install the required packages for Nagios:<\/p>\n
sudo dnf install -y httpd php gcc glibc glibc-common wget unzip<\/code><\/pre>\n
Step 3: Create a Nagios User and Group<\/h2>\n
Create a new user and group for Nagios:<\/p>\n
sudo useradd nagios\r\nsudo useradd -r nagios -s \/bin\/false<\/code><\/pre>\n
Step 4: Download and Install Nagios<\/h2>\n
Download the latest version of Nagios:<\/p>\n
wget https:\/\/github.com\/NagiosEnterprises\/nagioscore\/archive\/refs\/tags\/4.4.6.zip\r\nunzip 4.4.6.zip\r\ncd nagioscore-4.4.6\r\nsudo .\/configure --with-command-group=nagcmd<\/code><\/pre>\n
Compile and install:<\/p>\n
make all\r\nsudo make install<\/code><\/pre>\n
Step 5: Install Nagios Plugins<\/h2>\n
Download and install Nagios plugins:<\/p>\n
wget https:\/\/github.com\/nagios-plugins\/nagios-plugins\/archive\/refs\/tags\/release-2.3.3.zip\r\nunzip release-2.3.3.zip\r\ncd nagios-plugins-release-2.3.3\r\n.\/configure\r\nmake\r\nsudo make install<\/code><\/pre>\n
Step 6: Configure the Web Interface<\/h2>\n
Install the Nagios web interface:<\/p>\n
sudo make install-webconf<\/code><\/pre>\n
Set up the Apache web server to start Nagios:<\/p>\n
sudo systemctl restart httpd.service\r\nsudo systemctl enable httpd.service<\/code><\/pre>\n
Step 7: Start Nagios<\/h2>\n
Start the Nagios service and enable it to start at boot:<\/p>\n
sudo systemctl start nagios\r\nsudo systemctl enable nagios<\/code><\/pre>\n
Step 8: Access Nagios Web Interface<\/h2>\n
Open your web browser and navigate to:<\/p>\n
http:\/\/your_server_ip\/nagios<\/code><\/pre>\n
Log in using the username nagiosadmin<\/code> and the password you set during installation.<\/p>\n
Conclusion<\/h2>\n
You have successfully installed and configured Nagios on CentOS 8. This powerful monitoring tool will help you keep track of your IT infrastructure.<\/p>\n
If you’re looking for a reliable hosting solution for your Nagios applications, consider using . With Windows VPS<\/strong>, you can efficiently host your applications and ensure high performance. Whether you need  or Windows VPSVirtual Private Servers<\/strong>, you’ll find a solution that fits your requirements.<\/p>\n
For larger deployments or enterprise needs, explore Windows VPS<\/a> or Virtual Private Server Hosting Windows<\/strong>. Whether you’re located in the UK, Italy, or elsewhere, Microsoft SQL VPS Windows<\/a> and UK VPS Windows<\/a> offer reliable hosting options. Visit Windows VPS Hosting UK<\/a> to discover the best hosting solutions for your needs.<\/p>\n
\n
Author:<\/strong> \u0141ukasz Bodziony<\/p>\n
Website:<\/strong> Windows VPS<\/a><\/p>\n
\u0141ukasz Bodziony is the CEO and founder of NETCLOUD24<\/a>, a global VPS hosting brand proudly originating from Poland. With extensive experience in cloud computing, virtualization, and server management, he delivers high-performance Windows VPS<\/strong> and Remote Desktop Services (RDS)<\/strong> solutions to clients across Europe, North America, and beyond.<\/em><\/p>\n
His expertise covers a wide range of technologies, including Microsoft Azure<\/strong>, Proxmox VE<\/strong>, Amazon Web Services (AWS)<\/strong>, and numerous other virtualization and cloud platforms.<\/em><\/p>\n
Beyond running his hosting business, \u0141ukasz also provides professional paid server configuration and optimization services<\/strong> for companies and individuals. Outside of work, he is dedicated to caring for his children and building a secure future for them.<\/em><\/p>\n
If you are interested in working with him or need expert assistance with your hosting, cloud environment, or server setup, feel free to reach out via Windows VPS<\/a>.<\/em><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"
\u00a0 \u00a0 Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. In this guide, we\u2026<\/p>\n","protected":false},"author":1,"featured_media":3421,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[],"tags":[14,12,11,23,20,21,22,17,7,8,6,10,18,19,15,24,16,5,13,9],"class_list":["post-2494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-cheapvps","tag-cloudvps","tag-hostingvps","tag-rds","tag-rdscal","tag-remotedesktop","tag-remotedesktopvps","tag-servervps","tag-ukvps","tag-virtualserver","tag-vpshosting","tag-vpsserver","tag-vpssolutions","tag-vpswindows","tag-vpswithwindows","tag-windowsrds","tag-windowsserver","tag-windowsvps","tag-windowsvpshosting","tag-windowsvpsuk"],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts\/2494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/comments?post=2494"}],"version-history":[{"count":0,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/posts\/2494\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/media\/3421"}],"wp:attachment":[{"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/media?parent=2494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/categories?post=2494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netcloud24.com\/knowledgebase\/wp-json\/wp\/v2\/tags?post=2494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}