dns: update resolvconf command path

Ref: 94fb0ed84b

README.md

@@ -67,6 +67,7 @@ $ sudo ansible-playbook -v setup.yml
 - [ ] EFI secure boot
 - [ ] /etc/security/access.conf (maybe?)
 - [ ] snapper / btrbk (rootfs=btrfs)
+- [ ] auditd
 
 ## 📄 License
 

roles/dns/templates/interfaces.j2

@@ -12,7 +12,7 @@ iface {{ interface.name }} inet {{ interface.ip4_type }}
     address {{ interface.ip4_addr }}
     gateway {{ interface.ip4_gateway }}
 {% endif %}
-    post-up /usr/sbin/resolvconf -u
+    post-up /sbin/resolvconf -u
 
 iface {{ interface.name }} inet6 {{ interface.ip6_type }}
 {% if interface.ip6_type == 'static' %}
@@ -20,5 +20,5 @@ iface {{ interface.name }} inet6 {{ interface.ip6_type }}
     gateway {{ interface.ip6_gateway }}
     pre-up echo 0 > /proc/sys/net/ipv6/conf/{{ interface.name }}/accept_ra
 {% endif %}
-    post-up /usr/sbin/resolvconf -u
+    post-up /sbin/resolvconf -u
 {% endfor %}