{{tag>Réseaux DNS DHCP}} # Notes Dynamic DNS DDNS avec DHCP Voir : * https://isrdoc.files.wordpress.com/2010/11/dns-dynamique-combinc3a9-avec-dhcp.pdf ## Hack DHCP ne veux pas faire du DDNS sous RedHat 8 `/etc/dhcp/dhclient-exit-hooks.d/update-dns.sh` ~~~bash #! /bin/bash NAME_FQDN="$(hostname -s).acme.local" IP=$(hostname -I | tr " " "\n" | egrep "192\.168\.1\.") #IP=$(ip a | grep wlan0 | grep "inet " | awk '{print $2}' | cut -d '/' -f 1) if [ ! -z "$IP" ] then nsupdate -k /root/rndc.key < /var/lib/dhcpd/dhcpd.leases systemctl restart dhcpd ~~~