Install Netdata on RHEL 7

In this tutorial, How to install Netdata on RHEL 7 / CENTOS 7.

Netdata is performance and health monitoring for systems and applications. It is a monitoring agent you install on all your systems.

Why use Netdata

• High-resolution metrics
• Monitors everything
• Install and get results immediately
• Requires zero dedicated resources
• Open-source, free and very easy
• Auto-scaling of chart units
• Time-series back-ends supported – it can archive its metrics on graphite, opentsdb, Prometheus, JSON document DBs, in the same or lower detail

Install Netdata on RHEL 7 / CENTOS 7 from source

Install EPEL Repository

[vagrant@DevopsRoles ~]$ sudo yum install -y epel-release

Installing all dependencies for Netdata.

[vagrant@DevopsRoles ~]$ sudo yum install Judy-devel libuv cmake json-devel autoconf-archive autogen json-c-devel libmnl-devel libuv-devel lz4-devel nmap-ncat openssl-devel python3 git zlib-devel libuuid-devel libmnl gcc make git autoconf automake pkgconfig curl findutils

Clone Netdata from Github

[vagrant@DevopsRoles ~]$ git clone https://github.com/netdata/netdata.git --depth=100

[vagrant@DevopsRoles ~]

$ cd netdata/

The build and installation Netdata on RHEL 7 / CENTOS 7

[vagrant@DevopsRoles ~]$ sudo ./netdata-installer.sh

The output terminal as the picture below

Netdata service will started auto after installation.

To stop netdata run

[vagrant@DevopsRoles ~]$ sudo systemctl stop netdata

To start netdata run

[vagrant@DevopsRoles ~]$ sudo systemctl start netdata

Accesing Netdata from Browser

The default listens on all IPs on port 19999. If you have firewalld, allow access to this port within LAN.

[vagrant@DevopsRoles ~]$ sudo firewall-cmd --permanent --add-rich-rule 'rule family="ipv4" \
source address="192.168.1.0/24" port protocol="tcp" port="19999" accept'

Reload Firewalld to apply changes

[vagrant@DevopsRoles ~]$ sudo firewall-cmd --reload

Access Netdata Web dashboard on server

The netdata can enable dbengine for store history data

• dbengine metric storage:
  • liblz4 r129 or newer
    The OEL7 didn’t have lz4-devel package can install, the workaround is download source RPM and downgrade lz4 version
    ftp://ftp.pbone.net/mirror/vault.centos.org/7.8.2003/os/Source/SPackages/lz4-1.7.5-3.el7.src.rpm
  • OpenSSL 1.0 or newer (LibreSSL amy work, but is largely untested).
  • libJudy (Judy and Judy-devel)

Reference link https://learn.netdata.cloud/docs/agent/database/engine/