timeshift using all disk space with docker on ubuntu 14.04

[Fawzi Mohamed]

I just installed docker on my laptop with Ubuntu 14.04 and I just got a 
big scare, as my system ran out of space, and kept using all the space I 
did free.

This was due to /var/lib/docker/aufs/timeshift using up everything.

It turns out by default timeshift does not skip /var/lib, so one has to 
add an explicit exclusion for /var/lib/docker.

I was using docker packages, not ubuntu's own, I do not know if this 
issue already fixed in ubuntu packages,  but if not it should be fixed.

I reported this to docker, and I do not know how to best report it for 
ubuntu.

with best wishes
Fawzi

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Dr. Fawzi Mohamed            phone : ++49-30-8413 4821
Fritz-Haber-Institut         fax   : ++49-30-8413 4701
der Max-Planck-Gesellschaft
Faradayweg 4-6               e-mail: fawzi.mohamed at fhi-berlin.mpg.de
D-14 195 Berlin-Dahlem / Germany
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