$ vi /etc/yum.repos.d/grafana.repo
[grafana]
name=grafana
baseurl=https://packages.grafana.com/enterprise/rpm
repo_gpgcheck=1
enabled=1
gpgcheck=1
gpgkey=https://packages.grafana.com/gpg.key
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
$ sudo yum -y install grafana
$ sudo systemctl daemon-reload
$ sudo systemctl enable grafana-server
$ sudo systemctl restart grafana-server
$ netstat -nltp | grep 3000
$ ps -ef | grep grafana-server
$ tar -xvzf Prometheus-2.21.0-rc.linux-amd64.tar.gz
$ ./prometheus --config.file=prometheus.yml
$ dd if=/dev/urandom | gzip --best >> /dev/null &