[lxc-users] lxc container rootfs dev folder permission are changing from ro to rw inside container

[Tomasz Chmielewski]

Please note these are two separate commands:

mount

cat /proc/mounts


Tomasz Chmielewski
https://lxadm.com


On 2019-02-25 17:37, Yasoda Padala wrote:
> yasoda at yasoda-HP-Z600-Workstation:~/.local/share/lxc/busybox$
> lxc-attach -n busybox
> lxc-attach: busybox: utils.c: get_ns_uid: 548 No such file or
> directory - Failed to open uid_map
>  lxc-attach: busybox: utils.c: get_ns_gid: 579 No such file or
> directory - Failed to open gid_map
> 
> BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
> Enter 'help' for a list of built-in commands.
> 
> / # mount cat /proc/mounts
> mount: mounting cat on /proc/mounts failed: No such file or directory
> / #
> / #
> 
> Please find attached container config
> 
> On Mon, Feb 25, 2019 at 2:01 PM Tomasz Chmielewski <tch at virtall.com>
> wrote:
> 
>> On 2019-02-25 17:27, Yasoda Padala wrote:
>> 
>>> Actual results: dev folder of container rootfs is read-only on
>> host
>>> machine but inside container, it is writable.
>>> 
>>> Please help with inputs on why the dev folder permissions are
>> changed
>>> on lxc-attach.
>> 
>> Can you paste the output of:
>> 
>> mount
>> cat /proc/mounts
>> 
>> from the container?
>> 
>> Tomasz Chmielewski
>> https://lxadm.com
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