[lxc-users] not allowed to change kernel parameters inside container

[Kees Bos]

I probably missed it, but which release are you using on the host?

And what's the output of
prlimit -p 1
?

On Mon, May 27, 2019, 1:52 PM Saint Michael <venefax at gmail.com> wrote:

> My applications are very complex and involved many applications in the
> traditional sense. It is a nightmare to install them.
> My application runs on Centos but I prefer to use Ubuntu as LXC host.
> I found that rsynching a container over the WAN is the only perfect way to
> deploy.
> The issue that kills me is why I can change some kernel parameters, but
> not for example
> net.core.rmem_max = 67108864
> net.core.wmem_max = 33554432
> net.core.rmem_default = 31457280
> net.core.wmem_default = 31457280
> Any idea?
>
>
>
>
>
> On Mon, May 27, 2019 at 2:57 AM Jäkel, Guido <G.Jaekel at dnb.de> wrote:
>
>> Dear Michael,
>>
>>         > For me, the single point of using LXC is to be able to redeploy
>> a complex
>>         > app from host to host in a few minutes. I use
>> one-host->one-Container. So
>>         > what is the issue of giving all power to the containers?
>>
>> I don't understand yet, why you want to use Containers, LXC or Dockers at
>> all: You need to have full access to the host and it hardware at low level
>> and don't want to use any isolation or virtualization aspects at all. If
>> you just want to redeploy a complex setup within minutes, you may just need
>> to use a prepared backup of your hosts, or an layered setup with an
>> read-only image and an writeable layer for the changes.
>>
>> Guido
>>
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>>
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