cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by
resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.0.1
nameserver 8.8.8.8
nameserver 213.186.33.99
search trisquel.info
domain trisquel.info
Setting up unbound (1.4.16-1) ...
* Starting recursive DNS server unbound
[1380596139] unbound[28696:0] error: bind: address already in use
[1380596139] unbound[28696:0] fatal error: could not open ports
...fail!
chattr +i /etc/resolv.conf
chattr: Operation not supported while reading flags on /etc/resolv.conf