How To Install Nginx Amplify Agent on CentOS 7

In this tutorial, we will show you how to install Nginx Amplify Agent on your CentOS 7 server. For those of you who didn’t know, For those of you who didn’t know, Nginx Amplify Agent is a Strong Nginx monitoring tool written in Python. Its function is to collect various metrics and metadata and send Them securely into the backend for storage and visualization. After appropriate Installation, it supplies you with NGINX Amplify web interface and also you Should observe real-time metrics to your monitored systems.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Nginx Amplify Agent monitoring tool on a CentOS 7 server.

Prerequisites

• A server running one of the following operating systems: CentOS 7.
• It’s recommended that you use a fresh OS install to prevent any potential issues.
• SSH access to the server (or just open Terminal if you’re on a desktop).
• A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Nginx Amplify Agent on CentOS 7

Step 1. First, let’s start by ensuring your system is up-to-date.

yum clean all
yum -y update

Step 2. Installing Nginx Amplify Agent.

First, Create a repo file:

# cat >/etc/yum.repos.d/nginx-amplify.repo <<EOF
[nginx-amplify]
name=nginx amplify repo
baseurl=http://packages.amplify.nginx.com/centos/7/\$basearch
gpgcheck=1
gpgkey=http://nginx.org/keys/nginx_signing.key
enabled=1
EOF

Install the Nginx Amplify Agent rpm package:

yum install nginx-amplify-agent

Verify the installation by inspecting the log file ‘/var/log/amplify-agent/agent.log‘

Once installed, These commands can be used to start/stop the agent:

systemctl enable amplify-agent
systemctl start amplify-agent

Step 3. Configuring the Nginx Amplify Agent.

Checklist:

1. stub status
2. extended access logging
3. ‘warn’ level on error logging

server {
 listen [::]:80;
 server_name bmw.idroot.us localhost [::1] 127.0.0.1;
 keepalive_timeout 60;

location /nginx_status {
 stub_status;
 access_log off;

allow ::1;
 allow 127.0.0.1;
 deny all;
 }
}

The logging needs to be configured to have extended information as per the documentation:

log_format  main      '$remote_addr - $remote_user [$time_local] "$request" '
                      ' $status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" '
                      'rt=$request_time ua="$upstream_addr" '
                      'us="$upstream_status" ut="$upstream_response_time" '
                      'ul="$upstream_response_length" '
                      'cs=$upstream_cache_status' ;

Ensure warnings are logged to the error log:

error_log /var/log/nginx/error.log warn

Finally steps, You can overview the status of our monitored server in the Web interface by logging into your Amplify Account as in the snapshot:

Congratulations! You have successfully installed Nginx Amplify. Thanks for using this tutorial for installing the Nginx Amplify monitoring tool on CentOS 7 systems. For additional help or useful information, we recommend you to check the official Nginx Amplify Agent website.