[Bug 823862] Re: lxc-create should provide you with a default config file if not specified one

[Serge Hallyn]

Thanks for taking the time to submit this bug.

It would be nice if we could provide a default config, but we can't do that until we guarantee that we have a known network setup.  Since wireless cannot be bridged and we haven't decided whether we are willing to depend on libvirt-bin, this would have to mean:
   1. create bridge lxcbr0
   2. set up NAT from lxcbr0 to default route
   3. choose a private subnet and run dnsmasq on lxcbr0

Note lxc-create does not fail silently - it actually produces a loud
warning, provides two sample config files, and demands input before
continuing.  Witness:

root at sergelap:/sys/fs/cgroup/cpu# lxc-create -t ubuntu -n n1

Warning:
-------
Usually the template option is called with a configuration
file option too, mostly to configure the network.
eg. lxc-create -n foo -f lxc.conf -t debian
The configuration file is often:

lxc.network.type=macvlan
lxc.network.link=eth0
lxc.network.flags=up

or alternatively:

lxc.network.type=veth
lxc.network.link=br0
lxc.network.flags=up

For more information look at lxc.conf (5)

At this point, I assume you know what you do.
Press <enter> to continue ...

Note also that sample configurations are offered with the package.

I'm going to mark this low priority, rather than wishlist, because I do
believe such a default would help tremendously with adoption by new
users.


** Changed in: lxc (Ubuntu)
   Importance: Undecided => Medium

** Changed in: lxc (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/823862

Title:
  lxc-create should provide you with a default config file if not
  specified one

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