[Tinkerphones] default for Debian /etc/network/interfaces

Jonas Smedegaard jonas at jones.dk
Fri Feb 24 11:16:35 CET 2017


Quoting H. Nikolaus Schaller (2017-02-24 08:05:58)
> Am 23.02.2017 um 22:49 schrieb H. Nikolaus Schaller 
> <hns at goldelico.com>:
>> So there is a fresh /e/n/i and /e/n/i.d created and it is set up to 
>> source the /e/n/i.d
>> 
>> That is fine and like I hoped! So we can provide letux-usb0 or 
>> letux-eth0 network configs for single interfaces so that e.g. USB 
>> networking works out of the box even if you have no GUI.
>> 
>> Next I will check if that is already a feature of Jessie or was 
>> introduced in Stretch.
>
> Ok, here is the result:
>
> - Wheezy only creates /e/n/i with "auto lo"
> - Jessie and Stretch both create empty /e/n/i.d and /e/n/i with only 
>   "source-directory /e/n/i.d"

Those patterns match some work done in postinst script of ifupdown - 
applied if the file does not already exist when ifupdown is installed.

In the past, debian-installer created a custom file.  Not sure if it 
still does, and if maybe conditional to also installing ifupdown.

ifupdown is no longer the default: netbase 5.4 (released 2 months ago) 
stopped recommending it.


> So it was already introduced in Jessie.

According to its changelog it was introduced in ifupdown 0.7.44 
(2013-08-08).

According to its changelog it was wupported in ifupdown2 since its 
initial release, so should not be a problem if that package (declared as 
providing and replacing ifupdown) automatically gets installed in a 
package upgrade.

Not sure if netscript-2.4 (also potentially auto-replacing ifupdown) 
supports the "source-directory" syntax.


> Since it is very unlikely that anyone still wants to use Wheezy on the 
> GTA04 it will work when using the default for /e/n/i and patching 
> letux interfaces to /e/n/i.d

...as long as ifupdown or ifupdown2 is installed, yes.


> Specifically I want to make those interface configs part of the 
> letux-kernel, so that they are maintained in Letux/etc/network and 
> kept in sync with kernel interface naming (this sometimes changed in 
> the past).

If you mean that you will include network setup snippets with a custom 
kernel package, then I recommend that you consider following structuring 
instead, by maintaining network config as a separate package - e.g. to 
ease users switching to another kernel package.


 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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