debian fix hopefully

templates/container_command.j2

 {% if lxc_distribution == 'debian' %}
-grep 'No DNS servers known' -q /etc/resolv.conf && echo "{% for resolver in dns_resolvers %}nameserver {{resolver.ip}} \n{% endfor %}" > /etc/resolv.conf
+echo "{% for resolver in dns_resolvers %}nameserver {{resolver.ip}} \n{% endfor %}" > /etc/resolv.conf
 apt update
 apt install -y python3 python3-apt
 {% elif lxc_distribution == 'alpine' %}