[lxc-users] LXD project status

[Sean McNamara]

On Fri, Mar 30, 2018 at 8:42 PM, Saint Michael <venefax at gmail.com> wrote:
> I am using LCX, plain vanilla. Is there a reading the can help me move to
> LXD 3.0? I am afraid I cannot see why would anybody use LXD vs regular LXC.
> I can do anything I need, so far, with LXC. To copy a container to another
> server I use rsync with some special parameters.
> In general what is the great advantage of using LXD?

LXD is based on the same technologies as LXC, and has no special
kernel component, so it can only use the same kernel interfaces LXC
uses for containerization. So from that perspective, anything you can
do with LXC, you can do with LXD, and vice versa.

A major benefit of LXD is in the simplicity of setting up containers
that are isolated from the host and eachother, with the ability to
treat them like VMs with your security posture. To achieve that on LXC
is significantly more work.

Also, networking is IMO significantly easier with LXD for many common
setups. You won't notice much easier networking in LXD 2.0, but the
latest stable release (2.21) is certainly nice with the amount of work
it does for you.

The goal of LXD is to become as secure and simple as something like
kvm/qemu/vmware/virtualbox, but without any of the overhead of a
hypervisor, kernel on top of kernel, filesystem on top of filesystem,
etc.

See also: https://discuss.linuxcontainers.org/t/comparing-lxd-vs-lxc/24

Sean

>
>
> On Fri, Mar 30, 2018 at 10:40 AM, Simos Xenitellis
> <simos.lists at googlemail.com> wrote:
>>
>> On Fri, Mar 30, 2018 at 6:08 AM, gunnar.wagner
>> <gunnar.wagner at netcologne.de> wrote:
>> >
>> > so the 'snap-only' policy I thought would be applied for LXD is not that
>> > strict then and traditional .deb packages still exist?
>> >
>>
>> The way I see it, is that it is just Ubuntu 18.04 LTS that gets the .deb
>> package
>> and will keep having it until 2018+5=2023.
>>
>> Ubuntu 16.04 will keep having LXD 2.0.x from the deb repositories
>> until 2016+5=2021.
>>
>> Is it such an issue to have the snap version of LXD?
>>
>> Simos
>>
>> >
>> > On 3/29/2018 8:44 PM, Simos Xenitellis wrote:
>> >
>> > On Thu, Mar 29, 2018 at 4:32 AM, gunnar.wagner
>> > <gunnar.wagner at netcologne.de> wrote:
>> >
>> > On 3/28/2018 2:45 AM, Michel Jansens wrote:
>> >
>> > Does this means LXD 3.0 will be part of Ubuntu 18.04 next month?
>> >
>> > I guess (as LXD is using snap packages by default, right) it's not a
>> > matter
>> > of distribution any lomnger but more of distribution able to run snap
>> > packages well (which not every distribution does as far as I know [i.e.
>> > OpenSUSE])
>> >
>> > Ubuntu 18.04 LTS will be based on LXD 3.0.xx, supported until 2018+5y =
>> > 2023.
>> > Those that have the LXD snap ('lxd', stable channel), are likely to
>> > get upgraded to 3.1, 3.2 and so on,
>> > as the new versions appear.
>> > It was mentioned on the forum in December that Ubuntu 18.04 LTS will
>> > have by default the .deb version of LXD 3.0.
>> >
>> > This happened with Ubuntu 16.04 LTS, which has LXD 2.0.xx (currently at
>> > 2.0.11)
>> > and is supported until 2021. Ubuntu 16.04 LTS was launched with the
>> > new LXD 2.0 at that time.
>> >
>> > When you do 'snap info lxd', you get
>> >
>> > ...
>> > channels:
>> >   stable:        2.21        (5866) 49MB -
>> >   candidate:     2.21        (6005) 51MB -
>> >   beta:          3.0.0.beta7 (6240) 55MB -
>> >   edge:          git-9a60cd9 (6251) 55MB -
>> >   2.0/stable:    2.0.11      (5384) 21MB -
>> >   2.0/candidate: 2.0.11      (5384) 21MB -
>> >   2.0/beta:      ↑
>> >   2.0/edge:      git-d71807e (6069) 20MB -
>> >
>> > which means that there is the option to switch to the snap 'LTS'
>> > version of LXD 2.0 ('2.0/stable').
>> >
>> > Simos
>> > _______________________________________________
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>> >
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>> >
>> >
>> > --
>> > Gunnar Wagner | Yongfeng Village Group 12 #5, Pujiang Town, Minhang
>> > District, 201112 Shanghai, P.R. CHINA
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>> >
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