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You are here: Home / tutorials / new relic installation linux (infrastructure agent , php, mysql , nginx)

new relic installation linux (infrastructure agent , php, mysql , nginx)

installing new relic agent in linux command line. getting complicated due to aggressively forcing other application agents.

Note: You cannot install APM without new relic Infrastructure agent which monitors the linux system CPU, RAM, Disk Process) you can do it by Linux htop command.

 

New relic has direct integration with Cloud and platform technologies

Amazon Web Services
Amazon ECS
Microsoft Azure
Google Cloud Platform
Kubernetes
Lambda

Prerequisites:

  1. Create account at New relic and
  2. Obtain API key, Most Instructions available within new relic dashboard Due to heavy automated Process we may fail.

Ex: mysql host agent.

Table of Contents

Toggle
  • new relic installation linux ubuntu infrastructure agent
  • Check your linux version
  • Add the New Relic Infrastructure Agent gpg key
  • # Create a configuration file and add your license key \
  • # Create the agent’s yum repository \
  • # Update your apt cache \
  • # Run the installation script \
  • Receive data
  • Check New relic Infrastructure agent installed or not
  • Check New relic Infrastructure agent running or not
  • Start, stop, and restart the new relic infrastructure agent linux
  • New relic Infrastructure agent monitoring metrics
  • Install New relic php Agent
    • Configure the New Relic apt repository
    • Trust the New Relic GPG key
    • Update the local package list & install new relic php agent
  • Finish installing the new relic php agent:
  • Configure your license key and application name:
  • confirm that New Relic installed or
  • restart php server application
  • check php agent data receiving to new relic or not
  • installing new relic mysql agent in linux
  • 2nd method mysql integration new ric
    • Edit the configuration file mysql-config.yml
    • Restart the new relic infrastructure agent.
  • New relic nginx installation
  • new relic install integrations nginx
  • Restart the infrastructure agent.
  • Faqs on new relic installation
  • new relic license key vs api key
  • Troubleshooting with new relic installation – php agent

new relic installation linux ubuntu infrastructure agent

this we may help you official new relic guide to install infrastructure agent.

new relic infrastructure agent

Check your linux version

lsb_release -a

Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic

Add the New Relic Infrastructure Agent gpg key

curl -s https://download.newrelic.com/infrastructure_agent/gpg/newrelic-infra.gpg | sudo apt-key add – && \

\

# Create a configuration file and add your license key \

echo “license_key: e28947ef70ff6b7baaf50291de3d341c8069NRAL” | sudo tee -a /etc/newrelic-infra.yml && \

\

# Create the agent’s yum repository \

printf “deb [arch=amd64] https://download.newrelic.com/infrastructure_agent/linux/apt bionic main” | sudo tee -a /etc/apt/sources.list.d/newrelic-infra.list && \

\

# Update your apt cache \

sudo apt-get update && \

\

# Run the installation script \

sudo apt-get install newrelic-infra -y

 

you can copy entire thing and paste on the terminal. once you logged with new relic.

API key different for every user.

Receive data

Success! The connection is active. The data from this agent may take a few minutes to show up.

 

Check New relic Infrastructure agent installed or not

ps aux | grep newrelic

root@-s-4vcpu-8gb-blr1-01:~# ps aux | grep newrelic
root 3498 0.0 0.0 705820 664 ? Ssl Apr21 0:01 /usr/bin/newrelic-infra-service
root 3512 0.5 0.3 723528 27584 ? Sl Apr21 120:26 /usr/bin/newrelic-infra

Check New relic Infrastructure agent running or not

sudo systemctl status newrelic-infra

root@-s-4vcpu-8gb-blr1-01:~# sudo systemctl status newrelic-infra
● newrelic-infra.service – New Relic Infrastructure Agent
Loaded: loaded (/etc/systemd/system/newrelic-infra.service; enabled; vendor p
Active: active (running) since Wed 2021-04-21 16:54:15 UTC; 2 weeks 0 days ag
Main PID: 3498 (newrelic-infra-)
Tasks: 33 (limit: 4915)
CGroup: /system.slice/newrelic-infra.service
├─3498 /usr/bin/newrelic-infra-service
├─3512 /usr/bin/newrelic-infra
└─3673 /var/db/newrelic-infra/newrelic-integrations/logging/fluent-bi

Start, stop, and restart the new relic infrastructure agent linux

debian, ubuntu, aws, gcp, do, cloudways

sudo systemctl <start|stop|restart|status> newrelic-infra

sudo systemctl stop newrelic-infra

sudo systemctl restart newrelic-infra

sudo systemctl start newrelic-infra

 

New relic Infrastructure agent monitoring metrics

we can see at new relic dashboard.

new relic infrastructure agent monitoring metrics

 

these metrics may not useful, if your host has default monitoring agent within cloud dashboard like digital ocean, gcp etc.

 

Install New relic php Agent

install new relic php agent

 

it’s a ubuntu so  i select apt repository.

Configure the New Relic apt repository

(you only need to do this once per system):

echo ‘deb http://apt.newrelic.com/debian/ newrelic non-free’ | sudo tee /etc/apt/sources.list.d/newrelic.list

Trust the New Relic GPG key

wget -O- https://download.newrelic.com/548C16BF.gpg | sudo apt-key add –

Update the local package list & install new relic php agent

sudo apt-get update && sudo apt-get -y install newrelic-php5

This works with PHP 7 too. but not php 8 right now.

Finish installing the new relic php agent:

sudo NR_INSTALL_SILENT=1 newrelic-install install

Configure your license key and application name:

sed -i -e “s/REPLACE_WITH_REAL_KEY/e28947ef70ff6b7baaf50291de3d341c8069NRAL/” \
-e “s/newrelic.appname[[:space:]]=[[:space:]].*/newrelic.appname=\”php-wordpress\”/” \
-e ‘$anewrelic.distributed_tracing_enabled=true’ \
$(php -r “echo(PHP_CONFIG_FILE_SCAN_DIR);”)/newrelic.ini

 

/etc/phpX.Y-sp/conf.d/newrelic.ini. This is where you can edit  and add your New Relic license key, if required.

REPLACE_WITH_REAL_KEY = go to new relic account settings and get the one.

Accounts settings” page at https://rpm.newrelic.com/accounts/(YOUR_ACCOUNT_NO)

INGEST – LICENSE
License Key for Account 3034122

 

confirm that New Relic installed or

phpinfo() page.

or

ps aux | grep newrelic

 

restart php server application

 

sudo service php7.4-fpm restart

 

check php agent data receiving to new relic or not

php agent new relic not working

 

 

STOP Restart new relic php agent

systemctl restart newrelic-php5
systemctl status newrelic-php5

service newrelic-php5 stop

or php fpm server

systemctl restart php7.4-fpm

More detailed info at new relic php agent instlation

installing new relic mysql agent in linux

 

Step 1 run this command

curl -Ls https://raw.githubusercontent.com/newrelic/newrelic-cli/master/scripts/install.sh | bash && sudo NEW_RELIC_API_KEY=NRAK-Q8QNCMEW58VMJ2A5ORFQUWNOH9W NEW_RELIC_ACCOUNT_ID=3034122 /usr/local/bin/newrelic install -n mysql-open-source-integration

 

It ask you to create database and user

 

==> Installing mysql-open-source-integration…
To capture data from the MySQL integration, you’ll first need to meet these prerequisites:
– MySQL version requirement (see https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/mysql-monitoring-integration#req)
– User with replication permissions

To create a new user, use these commands as reference (Note: username,
password, and similar user-specific values must be replaced):

> sudo mysql -e “CREATE USER ‘newrelic’@’localhost’ IDENTIFIED BY ‘YOUR_SELECTED_PASSWORD’;”
> sudo mysql -e “GRANT REPLICATION CLIENT ON *.* TO ‘newrelic’@’localhost’ WITH MAX_USER_CONNECTIONS 5;”
> sudo mysql -e “GRANT SELECT ON *.* TO ‘newrelic’@’localhost’ WITH MAX_USER_CONNECTIONS 5;”

? MySQL Username

? MySQL Username newrelic
? MySQL Password ********
? MySQL Hostname (default: localhost) localhost
? MySQL port (default: 3306) 3306
? MySQL Database Name newrelic
[Error]: Provided user has no access to the desired database. See https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/mysql-monitoring-integration#config for more info.

 

2nd method mysql integration new ric

 

sudo apt-get install INTEGRATION_FILE_NAME   list here

sudo apt-get install nri-mysql

 

cd /etc/newrelic-infra/integrations.d

in case not

cp mysql-config.yml.sample mysql-config.yml

Edit the configuration file mysql-config.yml

nano /etc/newrelic-infra/integrations.d/mysql-config.yml

hostname: localhost
port: 3306
username: newrelic
password: <YOUR_SELECTED_PASSWORD>

 

Restart the new relic infrastructure agent.

sudo systemctl restart newrelic-infra

New relic nginx installation

curl -Ls https://raw.githubusercontent.com/newrelic/newrelic-cli/master/scripts/install.sh | bash && sudo NEW_RELIC_API_KEY=NRAK-Q8QNCMEW58VMJ2A5ORFQUWNOH9W NEW_RELIC_ACCOUNT_ID=3034122 /usr/local/bin/newrelic install -n nginx-open-source-integration

? NGINX status URL (default: http://127.0.0.1/status) http://127.0.0.1/status
NGINX HTTP status module must be configured for New Relic to collect data. \n – See https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/nginx-monitoring-integration#config for more info.
==> Installing nginx-open-source-integration…failed.

 

root@-s-4vcpu-8gb-blr1-01:/etc/php/7.4/fpm/conf.d# curl http://127.0.0.1/status
pool: www
process manager: dynamic
start time: 06/May/2021:14:03:02 +0000
start since: 6585
accepted conn: 726
listen queue: 0
max listen queue: 0
listen queue len: 65536
idle processes: 13
active processes: 1
total processes: 14
max active processes: 7
max children reached: 0
slow requests: 0

 

new relic install integrations nginx

nri-nginx

 

sudo apt-get install INTEGRATION_FILE_NAME   list here

 

sudo apt-get install nri-nginx

 

cd /etc/newrelic-infra/integrations.d

sudo cp nginx-config.yml.sample nginx-config.yml

Edit the configuration file nginx-config.yml.

 

edit the config in the integration’s YAML config file, nginx-config.yml

status_url: http://127.0.0.1/status

Restart the infrastructure agent.

sudo systemctl restart newrelic-infra

 

Faqs on new relic installation

new relic license key vs api key

API key to : access data

License key: to differential free and commercial usage.

/”REPLACE_WITH_REAL_KEY”/”YOUR_LICENSE_KEY

 

Troubleshooting with new relic installation – php agent

ERROR: unsupported version ‘8.0.3’ of PHP found : php 8 not supported right as on 2021 may.

PHP Warning: Module “newrelic” is already loaded in Unknown on line 0

Big issue delete two typ[es of files in /available mod /7.4 and 8.0 if any and apache2/php mods

20-newrelic.ini

newrelic.ini

ls -l /etc/php/7.4/fpm/conf.d/

/etc/php/7.4/mods-available

sudo rm /etc/php/7.4/fpm/conf.d/20-newrelic.ini

you can remove php extension or module

sudo rm /etc/phpv.4/conf.d/EXTENSION.ini

my case php located /etc/php/7.4/fpm/

/etc/php/7.4/fpm/conf.d/newrelic.ini is there installed last time.

you can see error logs

/var/log/newrelic/phpagent.log

2021-05-06 07:39:00.605 +0000 (18049 18049) warning: A global default license has not been set or has invalid format. Please add a ‘newrelic.license‘ key in the global php.ini or in the newrelic.ini file, or ensure that a valid license is provided on a per-virtual host or per-directory basis.

if you see newrelic.license = “REPLACE_WITH_REAL_KEY” at newrelic.ini php module

 

sudo rm /etc/php/7.4/fpm/conf.d/newrelic.ini

new relic mysql instlation trobuble shoting

[Error]: Provided user has no access to the desired database. See https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/mysql-monitoring-integration#config for more info.

sudo service mysql restart

localhost does not match % in MySQL

 

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hi i am raju ginni, primalry i manage wordpress websites on GCP cloud platform as a cloud engineer, and create content on passionate things.
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