Le 03/10/2015 09:49, Simon Hobson a écrit :
Lets face it - there is no "right" answer to this other than a system with
enough intelligence to read the user/admin's mind and work out what they intend to happen
- and I think we're a bit off that yet !
Looking back, I think I've "moved" something at least as often as I've replaced
it with a different something in the same location - probably more in fact.
This is exactly the point. But let's consider which devices are a
concern.
As was remarked already, disks are no longer a problem since
partitions are uniquely identified, so that nobody cares of a random
device name. And even symlinks are created in /media, named after the
labels of the partitions.
I am not sure numbering wifi interfaces (who uses more than one?)
is a problem; which matters is the station they connect to.
Ethernet interfaces are maybe the only issue, which explains why
distros have implemented a solution by the means of udev rules. The way
it is implemented is secure: every new ethernet device is given a new
device name (ethX) and no entry is created in /etc/network/interfaces;
therefore the interface isn't connected without an action of the admin.
If it is a replacement, then the admin should just edit the MAC address
in /etc/udev/rules.d/70-persistent-net.rules. Not a big deal, compared
to replacing the hardware.
The new policy Poettering et al are enforcing means to relieve the
admin from this little and rare work, at the cost of a nightmare for all
the rest.
Didier
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