Install Grafana over CentOS7.5 on Port 80

install.sh

sudo bash -c "cat << EOF > /etc/yum.repos.d/grafana.repo
[grafana]
name=grafana
baseurl=https://packages.grafana.com/oss/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
EOF"

sudo yum -y install grafana
sudo yum -y install fontconfig freetype* urw-fonts

sudo bash -c 'sed -i "s/;http_port = 3000/http_port = 80/g" /etc/grafana/grafana.ini'
sudo bash -c 'sed -i "s/User=grafana/User=root/g" /usr/lib/systemd/system/grafana-server.service'
sudo bash -c 'sed -i "s/Group=grafana/Group=root/g" /usr/lib/systemd/system/grafana-server.service'
sudo systemctl daemon-reload
sudo systemctl start grafana-server