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

2019-05-25 Thread Sergiusz Pawlowicz
Use KVM and problem solved.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users


Re: [lxc-users] docker in LXD from snap?

2019-03-14 Thread Sergiusz Pawlowicz
On Thu, 14 Mar 2019 at 16:55, Tomasz Chmielewski  wrote:
>
> Is the following guide also relevant for running docker in LXD installed
> from snap?
>
> https://stgraber.org/2016/04/13/lxd-2-0-docker-in-lxd-712/

yes, I am using docker - but container must be privileged for docker
to run properly.

s.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users


[lxc-users] bridge hairpin

2018-06-22 Thread Sergiusz Pawlowicz
I must set:

/sbin/brctl hairpin br0 veth5FO743 on

where veth5FO743 belongs to interface brought by LXD.

How can I identify veth5FO743 during LXD startup and where should I
place my command to be run during startup?

Thanks,
Serge
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

[lxc-users] newest snap 6729 does not start on bionic

2018-04-18 Thread Sergiusz Pawlowicz
newest snap 6729 does not start up lxd, linked current -> 6643 and
everything is working well again

i am not able to trace the problem, unfortunately
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] How to get rid of pesky extra dhcp IP

2018-04-14 Thread Sergiusz Pawlowicz
it's not a bug, it is a feature

man netplan
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] dynamic cgroup memory limit

2018-03-31 Thread Sergiusz Pawlowicz
On 31 March 2018 at 16:57, Tian-Jian Wu  wrote:
> please allow my silly question , how?
> I know it's ok to set memory limit in config file and it's set to kernel
> later.
> But after container started how to change memory limit?  What command?

it is clearly described on:

https://insights.ubuntu.com/2016/03/30/lxd-2-0-resource-control-412

lxc config set my-container limits.memory 256MB

s.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] dynamic cgroup memory limit

2018-03-30 Thread Sergiusz Pawlowicz
On 31 March 2018 at 06:48, Tian-Jian Wu  wrote:
> is it possible to start a container with set memory limit (let's say 1G in
> this case) and set its memory limit value to another , for example, 500MB,
> later??

Sure it is, you are able to modify these limits anytime live.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] LXC 2.1 to be released on Tuesday (call for testing)

2017-09-25 Thread Sergiusz Pawlowicz
Hi, I'm getting:

The configuration file contains legacy configuration keys.
Please update your configuration file!

but I do not see the update script inside the ubuntu xenial package:

# find / -xdev -name lxc-update-config
#

# dpkg -l | grep lxd
ii  lxd  2.18-0ubuntu1~ubuntu16.04.1~ppa1
 amd64Container hypervisor based on LXC - daemon
ii  lxd-client   2.18-0ubuntu1~ubuntu16.04.1~ppa1
 amd64Container hypervisor based on LXC - client

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Am I misusing LXCs?

2017-03-30 Thread Sergiusz Pawlowicz
When you decided to make your worktable better organised and safer,
you should realise it requires more work to maintain it as well. Learn
and deploy some automation tools, for example I'm very happy with
ansible, to be precise: Debops package of ansible playbooks:
https://debops.org/

cheers,
Serge
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Image "ubuntu:x" not found (no 16.04 images on "ubuntu:")

2017-03-30 Thread Sergiusz Pawlowicz
On Thu, Mar 30, 2017 at 5:34 PM, Simos Xenitellis
 wrote:
> Hi All,
>
> I just tried "lxc image list ubuntu:" and I do not see any 16.04 images.
> (i.e. lxc launch ubuntu:x mycontainer   fails).
>
> I attach the output of "lxc image list ubuntu:".
>
> I suppose it is a temporary issue, just logging it here.

I have the same issue.

It's really strange, today I am not able to launch any installation,

$ lxc launch ubuntu: test
Creating test
error: Couldn't find the requested image

It looks like aliases got lost on  https://cloud-images.ubuntu.com/releases ?

$ lxc image list ubuntu:

++--++-+-+--+---+
|   ALIAS| FINGERPRINT  | PUBLIC |
DESCRIPTION   |  ARCH   |   SIZE   |  UPLOAD
DATE  |
++--++-+-+--+---+
| p (5 more) | 973c3a42737a | yes| ubuntu 12.04 LTS amd64
(release) (20170307) | x86_64  | 156.00MB | Mar 7, 2017 at 12:00am
(UTC)  |
++--++-+-+--+---+

What is "p (5 more)"?

Did I miss something?

cheers,
Serge
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] cloud-init network config error

2017-03-15 Thread Sergiusz Pawlowicz
On Tue, Mar 14, 2017 at 8:49 PM,   wrote:

> #cloud-config.yml
> network:
>   version: 1
>   config:
> - type: physical
>   name: eth0
>   subnets:
> - type: static
>   ipv4: true
>   address: 10.10.10.20
>   netmask: 255.255.255.0
>   gateway: 10.10.10.1
>   control: auto
> - type: nameserver
>   address: 10.10.10.1
>
> I'm launching the container on Ubuntu 16.04 (v2.0.9) with the following:
>
> lxc launch ubuntu: CONTAINER -c user.network-config="$(cat
> cloud-config.yml)"

You put too much into the network-config file, remove "network":

version: 1
config:
   - type .

cheerio,
S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

[lxc-users] [ error: sql: no rows in result set ]

2017-03-06 Thread Sergiusz Pawlowicz
Hi, how can I debug this?

# lxc copy pcp ruszt:pcp
error: sql: no rows in result set

1) nothing in logs in /var/log/lxd
2) lxc monitor –type=logging also shows nothing interesting

 driver: lxc
  driver_version: 2.0.7
  kernel: Linux
  kernel_architecture: x86_64
  kernel_version: 4.4.0-64-generic
  server: lxd
  server_pid: 32166
  server_version: 2.10.1
  storage: zfs
  storage_version: 0.6.5.6-0ubuntu15

cheers,
S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Debian 8 container on Ubuntu 16.04 host

2016-12-15 Thread Sergiusz Pawlowicz
On Fri, Dec 16, 2016 at 9:58 AM, William Cooley  wrote:

>  Has anyone here tried running a Debian 8 container on a Ubuntu 16.04 host
> and had success with making systemd work properly?

There is absolutely no problem with that, these systems are nearly identical.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Sergiusz Pawlowicz
> You'd need to set arc to be as small as possible:
> # cat /etc/modprobe.d/zfs-arc-max.conf
> options zfs zfs_arc_max=67108865

What is a sense of using ZFS if you don't use its cache? Non sense. it
will work slower and less reliable than ext4.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-02 Thread Sergiusz Pawlowicz
On Sat, Dec 3, 2016 at 12:05 PM, Ingo Baab  wrote:
> Hi Sergiusz,
>
>  I am using a vm running ubuntu 16.04 with ~6GB Ram utilizing ZFS as
> loopback running multiple containers
> (multiple wordpress containers and one mailserver container.. What do you
> suggest as minimum Ram
> requirement for using ZFS?

It has many factors, how many containers, how busy PHP is, if you use
compression, etc.

6GB is enough for a simple ZFS based server.

Run 'htop' and monitor the usage.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-02 Thread Sergiusz Pawlowicz
With 1GB of memory is is not recommended to use ZFS not BTRFS,
especially via a disk image file. Just forget about it.

S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] LAN for LXD containers (with multiple LXD servers)?

2016-09-19 Thread Sergiusz Pawlowicz
On Mon, Sep 19, 2016 at 8:48 PM, brian mullan  wrote:

> Automatically builds tunnels through firewalls and NATs without any further
> setup (for example, port forwarding).

I would not appreciate something which "automatically" (whatever it
means) traverse my firewalls, to be honest. We should treat our data
seriously, Brian.

Serge
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] LAN for LXD containers (with multiple LXD servers)?

2016-09-18 Thread Sergiusz Pawlowicz
On Sun, Sep 18, 2016 at 7:11 PM, Tomasz Chmielewski  wrote:
> On 2016-09-18 21:05, Sergiusz Pawlowicz wrote:
>>
>> On Sun, Sep 18, 2016 at 4:16 PM, Tomasz Chmielewski 
>> wrote:
>>
>>> While I can imagine setting up many OpenVPN tunnels between all LXD
>>> servers
>>
>>
>> I cannot imagine that :-) :-)
>>
>> Use tinc, mate. Your life begins :-)
>>
>> https://www.tinc-vpn.org/
>
> I did some reading about tinc before, and according to documentation and
> mailing lists:
>
> - performance may not be so great
>
> - it gets problematic as the number of tinc instances grows (few will be OK,
> dozens will work, but beyond that, the things might get slowish)
>
> - if I'm not mistaken, you need to run a tinc instance per LXD client, not
> per LXD server, so that's extra management and performance overhead (i.e. if
> two tinc clients are running on the same server, they would still encrypt
> the traffic to each other)

I think you must read more, because everything you wrote is simply false.

Or, maybe, try it? :-) :-) :-)

cheers!
S.
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users

Re: [lxc-users] LAN for LXD containers (with multiple LXD servers)?

2016-09-18 Thread Sergiusz Pawlowicz
On Sun, Sep 18, 2016 at 4:16 PM, Tomasz Chmielewski  wrote:

> While I can imagine setting up many OpenVPN tunnels between all LXD servers

I cannot imagine that :-) :-)

Use tinc, mate. Your life begins :-)

https://www.tinc-vpn.org/

cheers,
Serge
___
lxc-users mailing list
lxc-users@lists.linuxcontainers.org
http://lists.linuxcontainers.org/listinfo/lxc-users