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

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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 ...
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1answer
57 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 ...
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14 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 ...
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1answer
69 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 ...
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1answer
24 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 ...
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2answers
118 views

LXD,LXC containers security

I just want to know dose the Linux containers (LXD) provide security? Such that if on container get infected with a virus will that effect the entire system (kernel+other containers) Or it will ...
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1answer
126 views

14.04 no internet connection when I up the bridge interface (for LXC container)

I have VM Ubuntu 14.04 32bit running in VMware Workstation on Win 10. I'm trying to set up the LXC container having its own IP address so I set the bridge interface in /etc/network/interfaces (tried ...
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0answers
130 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? ...
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2answers
48 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, ...
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1answer
82 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 ...
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0answers
14 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 ...
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1answer
49 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 ...
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1answer
78 views

Mount ZFS dataset in unprivileged containers

First a bit of information about my configuration: Ubuntu 15.10 ZFS pool created LXC containers stored in pool/lxc Dataset created in pool/mydataset owned by user1 Now I need one of the containers ...
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0answers
13 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 ...
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1answer
49 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 ...
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0answers
236 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 ...
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1answer
97 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 ...
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0answers
10 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. ...
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0answers
45 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 ...
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1answer
232 views

How-to upgrade LXC container after `do-release-upgrade` to Wily?

I have just done a do-release-upgrade -m server from Linux boson 3.19.0-31-generic #36-Ubuntu SMP Wed Oct 7 15:04:02 UTC 2015 x86_64 Linux-3.19.0-31-generic-x86_64-with-Ubuntu-15.04-vivid to ...
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3answers
10k views

lxc containers fail to autoboot in 14.04 trusty using 'lxc.start.auto = 1'

In trusty 14.04 containers fail to autoboot despite all settings being set as 14.04 requires. They show all as STOPPED I have correctly configured 2 LXC containers: calypso encelado They run ...
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0answers
22 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 ...
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0answers
8 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 ...
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2answers
83 views

How to check is an LXD container runs unprivileged?

I am configuring my LXD containers to run unpriviledged as root. How can I check that they indeed run as such? Is it enough that ps -ef on the host shows that all processes running in containers ...
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0answers
198 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: ...
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1answer
147 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 ...
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0answers
336 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
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1answer
81 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 ...
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1answer
66 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 ...
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15 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 ...
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0answers
78 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 ...
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2answers
62 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 ...
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0answers
137 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 ...
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33 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 ...
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1answer
400 views

Is there a way to configure lxd containers with cloud config at provision time?

Specifically, with the CLI tools- not openstack. I'm looking at what a local dev setup with lxd might look like but am coming up empty handed when it comes to configuring new containers. Are there ...
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0answers
16 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
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1answer
52 views

Juju on Maas, Lxc container not deploying

I have the latest juju deployed on maas. I also deployed the gui with: juju deploy juju-gui --to 0 This seem to work fine. But when I deploy an lxc container on that machine the conatiner stays in ...
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1answer
411 views

How to log into lxc container?

I recently installed the 32 bit lxc container on a 64 bit Ubuntu 12.04 system. When I run the command sudo lxc-start -n my32bitbox I am greeted with a login prompt. I enter the default login and ...
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1answer
217 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
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1answer
93 views

Building LXC, LXD Image

Is it possible when using LXC,LXD images and containers that I can build my OWN image for a specific Ubuntu distro? then I use it as a container. thanks
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31 views

how to save lxc.conf after editing?

Trying to get safe browsing with lxc by guide from here https://www.stgraber.org/2014/02/09/lxc-1-0-gui-in-containers/ and stucked. I type in terminal sudo gedit /var/log/lxd/u1/lxc.conf editing, ...
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3answers
7k views

How do I share a directory between an LXC container and the host?

How can I share a folder between the host system (ubuntu 14.04) and an ubuntu lxc container? I tried mounting the folder on the host: sudo mount --bind /media/data/share ...
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1answer
142 views

lxd: error: remote images exists as <https://images.linuxcontainers.org:8443>

I am using Ubuntu 15.04 desktop version. I have installed lxd successfully on my machine. Unfortunately while trying to add remote images i get following error message. $ lxc remote add images ...
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0answers
27 views

TCP session establish problem

I have multiple quagga instance running in lxc doing some kind of network simulation. BGP-protocol run fine between quagga containers. But when connecting quagga to Cisco ios, TCP-session which is ...
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1answer
40 views

Disk usage for the same drive shows 20K in the host and 16G in the container

When comparing the disk usage for a mounted harddrive the usage is completely different when compared between the host and the container. I am running Ubuntu 14.04 on the host and in the lxc ...
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0answers
18 views

LXD LXC containers Ubuntu 10.04

Regarding the use of the LXC and LXD is their an Ubuntu 10.04 container that is possible to use ? if not is their a method to build Ubuntu 10.04 container ? Thanks
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0answers
72 views

Where to configure lxd containers?

I installed LXD and created a few containers and while reading about various configurations (specifically about how to run unprivileged containers as root), I saw that the configuration files ...
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0answers
17 views

Vagrant not shutting down gracefully when shutting down computer

I am working with vagrant 1.7.4, which i use together with lxc 1.1.5 on ubuntu 15.10. I was working with it the last few weeks and never did vagrant halt before shutting down my computer. Now it ...
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0answers
92 views

Where is the configuration file of a lxc container?

I installed lxd to use linux containers. For some reason I keep using lxc commands to install and start my containers. Since lxd seems to be close to lxc maybe there is a reason for that (but it is ...
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2answers
1k views

Adding a shared host directory to an LXC/LXD Container

I have been experimenting with LXC/LXD on Ubuntu 14.04 and it's all working great. I just need to figure out how to get shared directories working between my host machine and a container so I can ...