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

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0
votes
1answer
39 views

Change data directory of Docker

How can I change the data directory of Docker where docker save the container (or where lxc save the container)? I have in my server a ssd and a hard drive ant I want that the container will be save ...
1
vote
1answer
45 views

Adding bridge for LXC breaks NAT/DNS

I am having a issue with a small home server. This server operates as a DNS/DHCP/NAT. I am also trying to add a few LXC instances with JUJU however I am running into a issue with the bridge. When I ...
4
votes
1answer
688 views

Modifying sysctl values inside lxc container

I have made several linux containers using the normal userspace tools (not docker), and I have been setting up a test environment. I want to set up two containers to try out heartbeat, which requires ...
0
votes
1answer
28 views

How do I allow /dev/net/Tun in a LXD managed LXC container?

I am trying to get Openvpn run inside a LXD/LXC container, and redirect traffic coming to the container to the VPN. The purpose is to replace a fully fledged VM that does exactly that (and toy with ...
0
votes
0answers
26 views

How to persist configuration changes accross restart with LXD containers?

I am experimenting with LXD, but I'm stuck with a seamingly simple problem: I can't make my bridge config persistent. The host server has a birdge br0. By default, lxd managed containers will use ...
4
votes
1answer
176 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
votes
0answers
17 views

Why arn't LXC instances registered in MAAS DNS?

Using the machine tab of the juju-gui charm, I can add LXC instances without deployed charms on them. I'm not confident enough with the idea, that on a high abstract level of a machine, there is any ...
0
votes
1answer
20 views

lxc launch hangs for lxd

New to lxd, and follow the article https://insights.ubuntu.com/2015/04/28/getting-started-with-lxd-the-container-lightervisor/ , also refer the https://github.com/lxc/lxd for upgrading to latest lxd ...
0
votes
0answers
19 views

Cannot lxc-create unprivilged container since upgrading to vivid [closed]

I followed this guide: https://www.stgraber.org/2014/01/17/lxc-1-0-unprivileged-containers/ Things worked great in utopic. Then I upgraded to vivid. Now I get this error when running lxc-create: ...
2
votes
0answers
21 views

Wordpress deployed with JUJU using LXC fail

When I deploy the wordpress and mysql charms with juju on my maas controller like so: juju deploy --to lxc:0 wordpress juju deploy --to lxc:0 mysql juju add-relation wordpress:db mysql:db --debug ...
0
votes
1answer
18 views

LXC starts up, but the networking is not set up - what is preventing this?

On Ubuntu 14.04 Trusty, I had LXC running, but recently I upgraded from 1.0.7 to 1.1.2 (as per the instructions here: https://launchpad.net/~ubuntu-lxc/+archive/ubuntu/stable). However, I found that I ...
1
vote
2answers
161 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
1
vote
0answers
36 views

LXD and Juju management

Afternoon! Would it be practical to create LXD containers on different servers and in the container use Ubuntu and juju? If it is, could juju see LXD containers as different machines?
2
votes
0answers
24 views

Juju lxc deploy not working!

I have a problem deploying services on lxc containers.I have set up maas and juju and have 4 servers deployed. Here is a juju status: environment: maas machines: "0": agent-state: started ...
0
votes
0answers
18 views

Standard LXC Container configs for shell scripting in Ubuntu?

I would like to do computation in neutral environment. I got a tip about Linux containers here. I am not sure how this project about Linux containers is managed, like who is the central board. ...
0
votes
0answers
39 views

Can I create a kvm inside an lxc?

I want to create a kvm inside an lxc container, but when I try it I get "Permission denied": $ qemu-system-x86_64 -enable-kvm -m 768 -localtime -nographic -net user -net nic,model=virtio -drive ...
0
votes
1answer
53 views

lxc-create: bad template: download

I'm running Ubuntu 12.04. According to the Ubuntu Server Guide, there should be a -t download template option for the lxc-create command. However I get the following output: sudo lxc-create -t ...
0
votes
0answers
20 views

lxc-ls option flag error - lxc_container: command get_init_pid failed to receive response

I'm trying to use the lxc-ls command to list LXC containers on Ubuntu 12.04, but I'm getting a get_init_pid error whenever I invoke the command with an option flag. Here is an example session: $ sudo ...
0
votes
0answers
29 views

AppArmor Error: “invalid VM definition” after starting lxc on updated version of libvirt (1.2.12)

I am trying to start an LXC on a newer version of libvirtd but it fails to start with the following error: $ virsh -c lxc: start textlxc error: Failed to start domain testlxc error: internal error: ...
6
votes
2answers
15k views

How do I setup an LXC guest so that it gets a dhcp address so I can access it on my network?

I setup LXC using: lxc-create -t ubuntu -n lxcguest1 But I can't access any services running on it from my LAN, it appears to be NATed. How do I set it up so that I can access it (it probably ...
0
votes
1answer
31 views

systemd in LXC endlessly trying to umount pam_mount home

I use the following $HOME/.pam_mount.conf.xml to mount an LXC container filesystem when I log in via SSH: <?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE pam_mount SYSTEM ...
0
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0answers
11 views

Save lxc container on another partition

I'm running out of space on my / partition. Can I install/use /home partition with lxc containers? (how to allocate different hdd for use of containers?)
0
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0answers
19 views

No network on LXC container running vivid on precise host

I already run trusty containers on my precise host. I have no issues. I'm trying to run a vivid container on the same host. The container work, but there is no network. The container doesn't get ...
0
votes
0answers
91 views

Installing a GUI application in LXD/Docker with a GUI installer

I have an old proprietary software which I need to run on newer distro. I hope containers are the solution. The problem is that the old software installs itself from a GUI application which require ...
1
vote
2answers
258 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
vote
0answers
32 views

Container namespace isn't visible in ip netns list

I wonder why we can't see the namespaces created by lxc-create on the output of "ip netns list" For example I create a namespace like below lxc-create -t download -n cont1 -- -d ubuntu -r trusty -a ...
1
vote
2answers
92 views

Juju local shared folder

I'm using juju local and I want to create a shared folder between the host and one of the juju machines. How can I accomplish this? I attempted these instructions with no success : ...
0
votes
0answers
71 views

Connecting to lxc container via SSH using lxc user

I noticed that the username/password I use to connect to a newly created LXC container via lxc-console doesn't work with ssh (with sshd running in the container). When I try, I get Permission denied ...
0
votes
0answers
100 views

Route all LXC container traffic through host VPN connection

I have a host with an OpenVPN connection working on tun0 but not routing traffic through it. How would I configure an LXC container to route all it's traffic through the OpenVPN connection on tun0 ...
4
votes
1answer
261 views

Problem setting up a user-space LXC container

Several evenings, I already try to get an LXC installation working with user-space containers. Since it's going to be a new server, I don't care (yet) too much about distribution and release, so I ...
0
votes
1answer
57 views
1
vote
2answers
389 views

Cannot auto-start LXC containers created with LXD

I have created 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 ...
1
vote
2answers
480 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 ...
1
vote
0answers
101 views

How can I restrict an LXD guest to using a single public IP address?

I have an Ubuntu 14.04 LXD container on an Ubuntu 14.04 Server host (using lxd-git-master PPA). I want to prevent it from reaching any other containers or from communicating with the public Internet ...
0
votes
0answers
29 views

How can I make one legacy sysvinit script (xen) start before an upstart job (lxc)?

I am running Xen with an Ubuntu trusty Dom0 in the following configuration: FreeBSD DomU vault exports ZFS filesystem /storage/backuppc via NFS. Ubuntu Dom0 keep mounts vault:/storage/backuppc at ...
13
votes
8answers
7k views

How do I get the IP address of an LXC container?

I've written a few scripts to manage LXC containers, and I can get their IP addresses via ifconfig, assuming I'm connected to the console. I now want to connect to these containers via ssh. How do I ...
3
votes
3answers
2k views

Video driver under lxc container?

Since LXC (Linux Containers) is a kernel level super-chroot, I've been wondering what sort of video driver the containers have: My host is Ubuntu 12.04 64-bit machine with ATI gpu. Will the LXC ...
1
vote
0answers
44 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 ...
0
votes
0answers
37 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
vote
2answers
669 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 ...
0
votes
0answers
69 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
votes
0answers
391 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 ...
0
votes
0answers
49 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
vote
1answer
367 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 ...
0
votes
1answer
173 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
votes
1answer
71 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
vote
2answers
69 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 ...
3
votes
3answers
1k 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 ...
1
vote
0answers
21 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 ...
0
votes
0answers
14 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 ...