• • • • # yum install -y bind bind-utils # systemctl enable named # systemctl start named # firewall-cmd permanent add-port=53/tcp # firewall-cmd permanent add-port=53/udp # firewall-cmd reload $ ls /etc/named* $ ls /var/named $ ls -ld /var/named $ cat /usr/lib/systemd/system/named.service $ cat /etc/sysconfig/named • • • • • • • • • •