The LXC tag is for questions relating to LinuX Containers and lightweight virtualization capabiliaties, issues, and troubleshooting.

learn more… | top users | synonyms

1
vote
0answers
11 views

lxc 2.0.0 failed to start after upgrading

i have Ubuntu 14.04 and i installed lxc then 1.0.8 was installed. But i needed 2.0.x version hence i upgraded it using following commands. sudo add-apt-repository ppa:ubuntu-lxc/daily sudo apt-get ...
0
votes
0answers
25 views

Why is the Xenial lxd image twice the size of Wily and its predecessors?

$ lxc image list ubuntu: +--------------------+--------------+--------+-------------------------------------------------+---------+----------+-------------------------------+ | ALIAS | ...
0
votes
0answers
25 views

I have lxc 1.0.8 in ubuntu 14.04 but want lxc 2.0.3. How can i upgrade? [duplicate]

I got the lxc 2.0.3 tar.gz file and extracted but then can somebody help to proceed forward.
0
votes
0answers
14 views

Running an LXC in parallel to an LXD

I'm a newbie to LXDs. I have an LXC which should start a few services upon its creation. Its works as expected on a machine having no LXDs but if an LXD is running on the same box, services within the ...
0
votes
0answers
27 views

Ulimit for user asterisk inside an LXD container

I have a bare metal ubuntu 16.04 server with a centos 6 LXD container within which I wish to install FreePBX/asterisk which I'm building from source. The building and install process was going very ...
0
votes
1answer
30 views

OpenVPN in LXC: Failed to set devices.allow

I have been trying to get OpenVPN working in a LXD-managed LXC container on Ubuntu 16.04. I have added the tun device to the container config via lxc config edit container and it is properly created. ...
0
votes
1answer
30 views

I can't do a complete upgrade in 14.04 due to LXC 2.0.3 related packages

The following packages are held back when I try to upgrade my system [using GUI or command line "sudo apt-get update && sudo apt-get upgrade"]: liblxc1 lxc lxc-common lxc-templates lxc1 ...
0
votes
1answer
39 views

Problem creating lxc container on BQ M10

I attempted to create an lxc container on my BQ Aquarius M10 as follows: libertine-container-manager create -t lxc -d vivid -i lxc After being asked for and entering my password the following was ...
0
votes
0answers
25 views

VLAN trunk to LXD containers

I'm playing around w/ LXD containers on Xenial. What I'd like to do is to have an 802.1q trunk coming into my physical host, and have the tagged traffic reach the containers, where I can choose which ...
1
vote
0answers
55 views

LXD profile. How could it be defined? [SOLVED]

I am not a sysadmin, so I am almost ignorant on this. I have a laptop connected via wlan interface and I want to use lxd containers and the network inside the containers. here https://insights.ubuntu....
3
votes
1answer
24 views

Cannot launch lxc containers get 'error: a remote name must be provided'

I'm trying to start using lxd/lxc containers using the series of blog posts from Stephane Graber: https://www.stgraber.org/2016/03/19/lxd-2-0-your-first-lxd-container-312/ The problem is that no ...
0
votes
0answers
35 views

Move phys interface to lxc container

I’m trying to move wlan0 to my LXC(Ubuntu 14.04) container "cn1" In config file I have : lxc.network.type = phys lxc.network.link = wlan2 lxc.network.flags = up lxc.network.name = wifi2 I ...
0
votes
0answers
27 views

Network manager shows LXC network as Ethernet

Since I installed LXC, the network manager icon in the top right corner always shows me as being "online" ie the double arrow symbol that appears when you have an Ethernet connection. Since the LXC ...
1
vote
0answers
42 views

Is the default hypervisor is LXC and how do I change it to KVM?

Is the default hypervisor is LXC, when i install my openstack with juju (sudo openstack-install)? How to change it to KVM? Except the array of EMC, how to use the third array through cinder? Or ...
2
votes
0answers
70 views

Autopilot Landscape fails to install

i am hoping someone can answer this, my autopilot keeps failing. After inspecting a log i noticed that LXC containers cannot communicate with external/public network. To make this clearer i can ping ...
2
votes
0answers
21 views

lxc change default user

I'm working on LXC containers, I want to change the default user while creating the container, I was trying lxc-create -t ubuntu -n ct1 -- -u user -p password But this only works with "Ubuntu", if ...
1
vote
1answer
70 views

Start a Xenial lxc container on a Trusty machine

I'm having trouble starting a xenial lxc container on my trusty machine. I had no problems installing the container (by following this guide, which also allowed me to create and start some other ...
1
vote
0answers
76 views

lxc and google chrome cannot open display

I'm trying to run google chrome from an lxc container, but it fails despite my repeated attempts and various tweaks. ERROR:browser_main_loop.cc(271)] Gtk: cannot open display: :0.0 Here is my ...
0
votes
0answers
21 views

if i install my ubuntu openstack on LXC, can i use cinder with shared storage(DAS/SAN)?

I installed my Ubuntu Openstack on LXC with Juju, and I want to know if I can use Cinder with shared storage (DAS/SAN)? When I want to use the Huawei SAN, I edit the file "cinder.conf" and restart ...
1
vote
0answers
59 views

Can someone with root access enter in a LXD container and see its contents?

If I have a running LXD container, can someone enter into the mount point and see/access contents of it? I'm seeking for a method for virtualization that prevents this, KVM could be a good choice, ...
0
votes
0answers
36 views

Starting a LXC container hangs

I just installed lxc 1.0.8 on an Ubuntu 14.04 system, created a container [2031] sudo lxc-create -t ubuntu -n lucid -- -d ubuntu -r lucid -a amd64 and started it [2032] sudo lxc-start -n lucid -F ...
0
votes
0answers
145 views

Bridge/networking/LXD/emby server configuration trouble

It is not exactly clear to me how to google this question, so please forgive me if this is answered before or related to something else answered before. The symptoms: On boot there is no Internet ...
1
vote
2answers
189 views

LXD-managed containers (on ZFS) vanish after deleting a different one

I've set up a few containers on Xenial server, using a ZFS dataset for storage (I'm not sure if that's relevant; we'll get to that). They were all working fine. Trying to restart one of them, mail-...
1
vote
1answer
158 views

(LXD) LXC container not starting services automatically

Using: Ubuntu Server 14.04 x64 LXD 2.0.0 I have several containers (all of them running "alpine-edge") in which I'm running lighttpd + mysql. The problem is that each time I restart the ...
0
votes
0answers
34 views

Access to host X11 from multiple containers (lxc) sharing the same GPU is limited to the last activated container

I have a server and 2 lxc containers sharing the GPU (nvidia gtx980 364.19) Vt7, Vt8 and Vt9 When trying to access the host X11 from any of the containers. It only works from the container that was ...
0
votes
1answer
170 views

Lxd zfs is not clear what to do

Unfortunately lxd has very short and uncomplete document site... I launched a container on my needs but after many successful and wasted tests ! Now i configured lxd and use zfs file system and ...
0
votes
0answers
27 views

How can i use lxc instead of vmware/virtualbox to virtualize an older version of ubuntu?

For compatibility reasons, i need to run an older version (14.04).Using vmware/and or virtualbox is both slow (gui part) and has a significant impact on my laptop battery life. Is there an easy way to ...
1
vote
1answer
95 views

Landscape Autopilot install stuck on “Add Juju machine in an LXC on 'the-to-be-networking-machine'” (90%)

My question appears to be very similar to the following mostly unanswered question. I have an Autopilot installation (I followed these instructions) with one MaaS master, one Landscape Autopilot ...
1
vote
1answer
136 views

Network Bridge inside VM for LXD

I use ubuntu 16.04 in a kvm virtual machine. For lxd containers I try to make a network bridge, so the containers are available in our local network. The interface file looks like this: auto eth0 ...
0
votes
0answers
17 views

Gcompris and Gbrainy are not working in LXC container

We have a server which runs 14.04.4 LTS. Inside of it we have an LXC container with 12.04 Precise in it. We are running edubuntu-desktop with all the packages. For some reason Gnome apps are failing. ...
0
votes
0answers
83 views

Running keepalived with vrrp in unprivileged lxc container

I am trying to get a keepalived running in an unprivileged lxc container, but I get the following error in the syslog. May 8 10:56:01 dnsmasq Keepalived_vrrp[11025]: Initializing ipvs 2.6 May 8 10:...
0
votes
1answer
240 views

Configure the LXC/LXD network bridge after uppgrading from 15.10 to 16.04

The upgrade to 16.04 breaks the LXC/LXD network bridge configuration used in 15.10. What changes do I need to make to get the new setup working? I want the guest to be on the same network as the ...
1
vote
0answers
38 views

How to set up X11 forwarding in byobu inside a LXC container

I currently SSH into a LXC container running in a Ubuntu host machine. I have managed to set up X11 forwarding from the container to my local machine but when I start byobu (inside the container) the ...
0
votes
0answers
12 views

lxc - p2p1 does not come back after lxc-stop

I can start the container, connect to it, networking works, etc. Everything looks ok. But when I stop the container and try to restart it, p2p1 is no more available and restarting fails. When I ...
1
vote
1answer
90 views

Openstack LXC containers missing DNS

In my newly deployed openstack environment, I noticed that CEPH was failing within the 3 LXC containers. 016-05-03 02:18:38 INFO juju-log Unknown hook update-status - skipping. Reading package lists.....
3
votes
2answers
394 views

Running Ubuntu Desktop in LXC/LXD on top of Ubuntu Server

Is it possible to have Ubuntu Desktop running in an LXC/LXD container on top of Ubuntu Server, displaying Ubuntu Desktop's graphical X session on the physical screen that Ubuntu Server outputs to? ...
1
vote
0answers
392 views

lxc nvidia error: xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)

In the process of trying to have lxc container (host 16.04, lxc 14.04) share nvidia I run into this error when starting X in the container: startx -- vt8 I get the following error: ...
1
vote
1answer
423 views

How to use lxc profile set?

I would like to edit LXD profiles from the command line. This is done by lxc profile set: lxc profile get <profile> <key> Get profile configuration. lxc profile ...
2
votes
0answers
336 views

Unity 8 lxc stucks after login. Unity 8 mir black screen without sursor

I installed Unity 8 mir and unity 8 lxc on Ubuntu 16.04, When log to unity 8 mir, a black screen displayed (without cursor). When log to Unity 8 lxc, It stucks at the loin screen (LightDM). Then I ...
0
votes
1answer
98 views

unable to use nvidia graphics in lxc container after upgrade to ubuntu 16.04

I have upgraded my system from 15.10 to 16.04 and the container from 14.04 to 16.04. I have used the default cuda/nvidia driver in both. cuda 7.5 and nvidia 361.42 When I start the container I get ...
0
votes
0answers
29 views

How to use a video device in a lxd container?

I would like to use the host video device (/dev/video0 for instance) in a lxd container. There is information about how to configure devices in lxd but it only mentions char and block devices (which ...
1
vote
0answers
117 views

Moving LXD containers to clean install of 16.04

I have a load (~14) of LXD containers running on my 14.04 development machine. I would like to do a clean install of 16.04 but I need to keep my containers. What is the best approach to achieve this?...
0
votes
1answer
93 views

Why using (or not) dedicated bridges with LXD?

Question: Are there specific drawbacks of using a single bridge, as opposed to a dedicated one per container? Details: I have a host which runs a few LXD containers. I initially decided to have one ...
0
votes
0answers
70 views

LXD duplicates root subuid and subgid entries

I have had LXC installed and have a number of unprivileged containers running as root. To achieve this, I created entries in /etc/subuid and /etc/subgid for root, as follows: root:200000:65536 ...
1
vote
0answers
222 views

Issue starting LXD containers

I am running Ubuntu 15.10 and kernel Linux odroid 3.10.96-82. My hardware is an ODROID-XU4 ARM based SBC with the Exynos5244 CPU. I am having an issue getting LXD containers to start on this system ...
4
votes
0answers
395 views

Unity 8 - Stuck at login screen

i recently installed Ubuntu Xenial in order to install Unity 8 and test how it work with my graphic card (Intel HD 3000). First I updated the system and then installed U8: sudo apt install unity8-lxc ...
0
votes
0answers
21 views

lxcbr0 stop container communication

I'm creating LXC containers to be used by different users but required each container to connect to lxcbr0 to provide remote access. How can I restrict with LXC that containers on a default bridge ...
0
votes
1answer
98 views

LXC unprivileged container: apt-get fails to download anything inside

I'm running Ubuntu Xenial and set up simple unprivileged user container from template (also Xenial). When I attach inside and try to just do upgrade or install anything 'apt-get' fails with following ...
1
vote
1answer
370 views

LXD 2.0 Local Networking

Today I apt-get upgraded my machine (14.04) and now I can no longer access any of my local LXD containers. There was a message warning that I needed to reconfigure the container networking but now I ...
0
votes
2answers
119 views

How to import LXC containers from a previously used ZFS lxc zpool?

I'm using all default lxc settings with ZFS as the backstore. Which means, I have an lxc zpool and created containers with lxc-create -B zfs -n ubuntu-base -t ubuntu Now, the root fs ran out of ...