The first DVD of any non-network-install set will allow you to install Debian without accessing the Internet. If you don’t want a desktop environment, make sure none is selected in the package selection step of the installation.
To build your own, custom, installation image, give Simple-CDD a shot; it’s a simple tool which takes a selection of packages and ...
Thanks to LL3 I found out that this feature is called macvlan, for your reference I'll put the command here:
ip link add link eth0 address 00:cc:cc:cc:11:33 eth0mac2 type macvlan
ip link set eth0mac2 up
This can be used to create a L2 virtual interface for PPPoE
In the first case
$ telnet localhost 19999
Connected to localhost.
Escape character is '^]'.
Connection closed by foreign host.
There is a process listening on the given port; you connect to it and eventually the remote end terminates the connection.
In the second case (here, I assuming you're specifying the same port since you didn't ...