apt-get install quagga
cp /usr/share/doc/quagga-core/examples/vtysh.conf.sample /etc/quagga/vtysh.conf
cp /usr/share/doc/quagga-core/examples/zebra.conf.sample /etc/quagga/zebra.conf
cp /usr/share/doc/quagga-core/examples/ospfd.conf.sample /etc/quagga/ospfd.conf
sudo chown quagga:quagga /etc/quagga/*.conf
sudo chown quagga:quaggavty /etc/quagga/vtysh.conf
sudo chmod 640 /etc/quagga/*.conf
mkdir /var/log/quagga/
chown quagga:quagga /var/log/quagga/
touch /var/log/zebra.log
chown quagga:quagga/var/log/zebra.log
service zebra restart
service ospfd restart
sudo systemctl is-enabled zebra.service
sudo systemctl is-enabled ospfd.service
sudo systemctl enable zebra.service
sudo systemctl enable ospfd.service