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

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1answer
9 views

Cannot auto-start LXC containers created with LXD

I have craeted a lxc container easily with LXD tools however I couldn't find a way to auto-start it on reboot. (Ubuntu 15.04) For LXC it's said that adding lxc.start.auto = 1 to the container config ...
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0answers
5 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

How can I run a Snappy / ubuntu-core image with LXD

I would like to run Ubuntu Snappy in an LXC container. There isn't an existing snappy image at the default https://images.linuxcontainers.org repo, but I was wondering if this is something others ...
0
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1answer
36 views

Is it possible to install LXD directly on a Ubuntu Snappy Core?

I'm running a Ubuntu Snappy Core (2015-04-28, version 45). I want to install LXD directly on the snappy host. Is this possible? Thx! --todd
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0answers
8 views

Up to date LXC template for Ubuntu

Currently we are using LXC to deploy a web application, each time we deploy a new and separate container is freshly built. The container is based on Ubuntu 14.04, but the problem is that the template ...
1
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2answers
50 views

Share a folder between host and ubuntu lxc container

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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0answers
38 views

How to connect to a LXC container from the LAN?

I have a server with the latest Ubuntu server 64-bit install in my home wlan. I use ssh to connect to it from my laptop. The server /etc/network/interfaces file: # The loopback network interface ...
2
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0answers
72 views

How to create archlinux lxc [closed]

I'm trying to create arch linux lxc on Ubuntu 15.04 server. First: lxc-create -t archlinux -n test fails with errors that pacman and pacstrap could not be found. I solved this by installing pacman ...
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0answers
12 views

Installing Web server on linux containers?

Is it possible to create a container and install a web server into it ? i.e. apache web server and run it ? Im doing a project on ns-3 using tapbridge and I need one of the nodes to act as a ...
-1
votes
1answer
36 views

IP Address Linux Containers

Please, i have a problem i try to find a solution since days i'm a beginner with linux (networking) In our cluster (10 nodes), we deploy the same image file on each node. So each node has a different ...
1
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2answers
49 views

New Openstack Autopilot stuck at: In progress - Configure availability zones - 98%

I see in landscape0:job-handler-1.log: 2015-03-18 14:00:13 INFO root RetryingCall for '_create_networks_and_router' failed, trying 119 more time(s): 2015-03-18 14:00:13 INFO root Traceback (failure ...
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0answers
17 views

Ping to LXC container

Please, I try to do ping 10.0.3.8 (ip of LXC container) from VMB but it didn’t work ! Have you an idea please ? Here is an explanation of what I want do: (red arrow) The blue arrows means that the ...
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0answers
8 views

Possible to access lxc guest containers via DNS?

Assume I have a VPS server available at dev.myserver.com- I would like to be able to run 1 or 2 services from this one server, for example a saltstack service and a Jenkins instance. Now to keep the ...
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0answers
41 views

Ubuntu LXC container: “unable to set ”nproc“ resource limit: Operation not permitted”

I'm trying to install mongodb in a Ubuntu container, I followed these instructions to set up the Ubuntu 14.10 host: https://linuxcontainers.org/lxc/getting-started/ Running apt-get install mongodb ...
0
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0answers
37 views

no login prompt for lxc

I installed and setup an LXC according to these instructions... https://www.digitalocean.com/community/tutorials/getting-started-with-lxc-on-an-ubuntu-13-04-vps Everything was working fine until I ...
0
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0answers
22 views

How could I set a file overlay on my whole system?

I need to build and test system components on my Ubuntu laptop and I want to be sure that it won't damage (or replace any my current components) (I plan to build and test gtk, gstreamer and ...
1
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1answer
73 views

Container lxc has two IP: One of them is bridge's. When connect with juju, connects to bridge's

If I install OpenStack with openstack-installer (autopilot) and the bootstrap for the first environment is launched over the VM that comes with openstack-installer pachage ...
0
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1answer
33 views

arkose alternative for trusty lts

arkose got dropped from the repos as it was no longer compatible with newer kernels: https://bugs.launchpad.net/ubuntu/+source/arkose/+bug/1299904 Bare LXC is a poor substitute, as it only offers a ...
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0answers
41 views

Can't bootstrap juju in lxc environment

I am using LXC to make JUJU. But when I bootstrap : Bootstrapping environment "local" Starting new instance for initial state server Building tools to upload (1.21.1.1-trusty-amd64) Installing Juju ...
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0answers
26 views

Is it possible to use both libvirt and lxc userspace tools?

Libvirt is pretty easy to use and has the bonus of having cross compatibility with other hypervisors. I was curious, is it possible to create a container and manage it with both virsh and lxc-* ...
3
votes
1answer
72 views

Juju and problem with subcontainers deployment on LXC

I am trying to deploy OpenStack with Juju and Autopilot but I have a big problem and I cannot figure out what to do. Basically, I have a Juju local environment with LXC and it seems to work well if I ...
1
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1answer
139 views

Apt-get fails to fetch inside an LXC container

I have an Ubuntu 14.04.1 LTS server that's running LXC containers. The containers run Ubuntu 14.04.1 too. Network config of host is pretty standard, static IP, ISP's DNSes (IP1/IP2) plus google's : $ ...
1
vote
1answer
38 views

my lxc machines will not start

I am trying to set up a local Juju environment, so I followed the official instructions on https://juju.ubuntu.com/docs/config-LXC.html, on a machine running trusty that was installed via MAAS. the ...
1
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1answer
126 views

Can not clone lxc container with lvm backingstore after ubuntu update

Command lxc-clone -s -K -M -H -o debian7 -n debian7-bak Result lxc_container: bdev.c: mount_unknown_fs: 209 failed to determine fs type for '/dev/vg/debian7' lxc_container: bdev.c: detect_fs: 320 ...
0
votes
1answer
94 views

cgroups disk IO throttling with zfs

I'd like to use cgroups with my linux containers to throttle disk IO on them. Containers placed on ZFS volume /tank/lxc. I have three containers each in their own /tank/lxc/nodeXX directory. How can ...
4
votes
1answer
139 views

juju bundle deploy in one machine in LXC?

Hi So far i have developed juju charm bundle which contains three charms.I have Two Questions (Q1) And i need to deploy juju charm bundle in one machine in LXC. i have three charms and normally when i ...
1
vote
1answer
167 views

LXC start error : setup_caps: 2337 unknown capability mac_admin

When i try to start the lxc container created it fails with below error, I have used the Ubuntu template for this template. It seems lxc is unable to drop the kernel privileges it is trying to drop, ...
1
vote
1answer
214 views

Mount qcow2 image using qemu-nbd within a container

I'm trying to get an OpenStack Nova compute node running within a container to boot a server in a nested container. Everything works fine until I ask Nova in the controller to boot the server. During ...
1
vote
1answer
100 views

juju can not start lxc machine

I am trying juj on an openvz VPS. when I try juju bootstrap it says: uploading tools for series [precise trusty] Logging to /home/danialbehzadi/.juju/local/cloud-init-output.log on remote host ...
0
votes
1answer
89 views

How to change the mirror of lxc-create?

I have an Ubuntu repository server in my network. I want to create a lxc container using lxc-create. How can i change the default repository of lxc-create to my repository? There isn't any option ...
1
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1answer
124 views

How to get access from nginx on host OS to files inside lxc-container?

I have Ubuntu 14.04 and lxc-container inside it. Both of host OS and container have nginx 1.4.6 installed. Container has ip-address 10.0.3.100 and located in ...
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0answers
71 views

Why is my cgroup size so small, how to fix?

I'm trying to build some Docker images, and I get an 'out of disk space' error. 2014/12/04 14:42:48 write /sys/fs/cgroup/devices/docker/10860.../devices.deny: no space left on device Looking at ...
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0answers
119 views

Can I deploy to LXC in a Juno/trusty environment?

This is a follow up on Juju Icehouse-Openstack LXC. It seems that Trusty and Juno combo also do not allow LXC instantiation, i.e., Changing "virt-type" in nova-compute charm does not change ...
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0answers
409 views

Systemd, cgroup, and LXC

After much trial and error, I was finally able to get Spice working in a Fedora LXC container under Ubuntu 14.04. However, the same can't be said of an Ubuntu 14.04 container. It appears that the ...
3
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1answer
148 views

How to modify rootfs of an unprivileged LXC container?

I have configured for namespaces for unprivileged LXC containers using this docuement https://help.ubuntu.com/lts/serverguide/lxc.html#lxc-unpriv I can create and start containers using lxc-create ...
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0answers
63 views

WINE programs/processes isolation

I would like to completely isolate from each other two Windows programs running in WINE. I intend to block them from sharing memory, interprocess communication, files and using any possible ...
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0answers
107 views

Enabling systemd in Ubuntu 12.04 lxc container

Following is my setup I am running Ubuntu 12.04.1 Precise. I have and lxc container on it running upstart. I want to replace upstart with systemd. I modified the container's lxc with "virsh -c ...
0
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1answer
41 views

Is it possible to use services that provide their own pid, like dnsmasq, to use with upstart?

I need badly a better way to refresh dnsmasq configuration than in How to let built-in DHCP assign a static IP to LXC container based on name, not MAC address . I cannot afford restarting all ...
0
votes
1answer
526 views

lxc/kvm containers fail to start

I have MAAS+Juju setup ready and was successfully able to deploy some openstack charms on specific machines. Then, I read that its safe and good practice to place these openstack charms in their own ...
1
vote
1answer
961 views

LXC USB Device Passthrough

I am trying to create an LXC container running mythtv (server) .. .which needs access to USB tuners There seems to be a dearth of information on how to pass USB devices through to an LXC container ...
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0answers
172 views

Creating LXC container using iso file

Is it possible to create an LXC container from iso file? Following points might give you better context about what I want I have created my own distro by following "How to create customized ubuntu ...
3
votes
3answers
821 views

lxc-create hangs and finally fails

I was trying to place some juju charms on linux containers and the containers failed to start. To debug the issue I sshed into the node where this happened and tried creating an LXC container manually ...
0
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0answers
171 views

MAC address NAT with ebtables for IPv4 and IPv6?

I have a virtual machine running in VMware. It has Ubuntu 14.04 on it. I want to install LXC containers on it, and have them use the same address space as the virtual machine. So, I created a bridge ...
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0answers
165 views

Problem with NAT port forwading to LXC container

I have been trying to implement an instance of nginx in a LXC container on Ubuntu 14.04 as per https://www.digitalocean.com/community/tutorials/getting-started-with-lxc-on-an-ubuntu-13-04-vps Can ...
1
vote
1answer
172 views

Autostart Unpriviledged LXC Containers

I'm using Ubuntu 14.04 and have installed LXC normally. I've followed the official LXC documentation to set up unprivileged containers under a non-root user. These don't seem to support LXC's ...
1
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1answer
269 views

Fedora as LXC container [closed]

I have LXC running with several Ubuntu containers and I am happy with it. The problem is, when I try to setup Fedora using: lxc-create -t fedora -n fedora I get: warning: ...
1
vote
1answer
209 views

How to make a HDD device file /dev/sdxY available in lxc container?

I created a lxc container with sudo lxc-create -n ubuntu-trusty-amd64 -t ubuntu -- --arch amd64 --release trusty on Ubuntu 14.04 with lxc 1.0.5-0ubuntu0.1 and realized that there're no device files in ...
0
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1answer
76 views

LXC utsname does not work

I have created a LXC by cloning it from already existing LXC by using command lxc-clone -o u1 -n u2. When I start the u2 it comes with a prompt u2 login. Till this point it is fine. However, when I ...
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0answers
1k views

LXC container no outgoing traffic with bridged network and public IP address

I try to setup a LXC container with bridged network on ubuntu 14.04.1, but the outgoing traffic seems to be blocked. Ping another IP than the container's one is not working. Actually I tried this with ...
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0answers
71 views

How to enable loop dev access from LXC?

I added the following line to the LXC container's config file in order to enable access to loop dev. The LXC is running Ubuntu 12.04: … lxc.cgroup.devices.allow = b 7:* rwm … However, the container ...