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

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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 ...
12
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4answers
9k views

What should i choose? LXC vs OpenVZ [closed]

As an alternative to Virtualizing several Ubuntu Servers im looking into the possibility of using containers. But I am not sure if I should go for OpenVZ or LXC. Can anyone recommend one of them, or ...
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0answers
17 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 ...
4
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2answers
9k 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 ...
1
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3answers
2k 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
104 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 ...
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0answers
30 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 ...
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2answers
97 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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1answer
22 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 ...
2
votes
2answers
433 views

Boot problems after installing package `android`. How do I fix it?

I was thinking to play with my android phone through usb, so I did an apt-get install android* on my laptop. This this broke my boot. I can not boot it normally, but if I go into recovery and then ...
1
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3answers
2k views

How to let built-in DHCP assign a static IP to LXC container based on name, not MAC address

I know, that I can assign static IP manually, using /etc/network/interfaces. I also know, that I can read the MAC address of the LXC container (e.g. by looking for lxc.network.hwaddr entry in ...
0
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1answer
64 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 ...
12
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7answers
5k 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 ...
1
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0answers
35 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 ...
20
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1answer
5k views

Public IP Address for LXC container

Ok, so I want to know how to do networking on LXC containers. Not just the sort of vague information you get from the other websites, but a true beginner's guide to making them work.. Since most ...
0
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0answers
81 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
30 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
92 views

How to give a Juju charm a static ip address - wordpress

I have a wordpress charm installed via juju. In order for me to access this charm through public ip, I port forwarded the ip into my server's public ip address. Recently, the ip address of the ...
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0answers
60 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
55 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
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0answers
36 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 ...
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1answer
23 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
262 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 ...
0
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1answer
117 views

LXC 0.9.0 error

I am using lxc 0.9.0 and which we compiled and then created busybox container named 'yashu' but started it ,it gives following error yashu@yashu-pc:~$ sudo lxc-start -n yashu lxc-start: failed (98) ...
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vote
1answer
418 views

lxc container creation fails with `call to cgmanager_move_pid_abs_sync(blkio) failed: invalid request` (…)

I cannot create the lxc container. It used to work a few days later on this system, though. When I do sudo lxc-create -n abc -t ubuntu, the container's creation process seems to finish successfully ...
0
votes
1answer
64 views

network bridge not forwarding traffic from span port on router

I want to run several security network tools in LXC containers like ntopng, suricata, snort, etc. I hooked one of my server's NIC's up to a port that is spanned to my firewall... so basically this ...
1
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0answers
26 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 ...
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2answers
230 views

Configure LXC with additional IP ubuntu 14.04

I'm still looking for answer on my question. I have a dedicated server with ubuntu server 14.04, and 2 public ip. I want to add 1 public ip per 1 lxc. I think i've tried everything and nothing helped ...
0
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1answer
29 views

I'm trying to get started with LXC containers, and I'm getting a permissions problem on starting an unpriviledged container. How can I fix it?

I'm getting a permissions problem on starting an unpriviledged container. How can I fix it?
2
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0answers
197 views

Juju deployment fails due to “container failed to start” error

I had tried to deploy mysql and i had this error: agent-state-info: container failed to start Outputs from log as following: Line 47: machine-0: 2014-08-14 02:02:30 INFO juju.state.api ...
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0answers
32 views

How to get HDMI sound devices inside LXC?

I created LXC container in 12.04.3 Server and installed Gnome Display Manager to it. Now GDM works well, but I don't have HDMI sound. ubuntu@quintilis:~$ aplay -l aplay: device_list:252: no ...
3
votes
1answer
160 views

Juju and Openstack provisioning

I'm new to Juju and Openstack and currently deploying two- and three-node openstack test environment using Juju manual provider. At my first attempt I tried to deploy services to my hosts using --to ...
1
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1answer
107 views

LXC Is it possible to run a 12.04 container on 14.04

Other than the kernel only, is it possible to emulate an older install of Ubuntu? I looked in /usr/share/lxc/templates and it only has "lxc-ubuntu".
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1answer
272 views

Juju Icehouse-Openstack LXC

Trying to instantiate an LXC image on a compute node, by changing virt-type (string) field, under nova-compute charm to lxc. This, however, does not update the virt_type, in nova-compute.conf file. ...
1
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1answer
151 views

Deploying multiple services in LXC containers in a VM hangs

To get started with juju, I installed it on a local machine(actually a xUbuntu VM running on windows). juju-gui got deployed successfully. Then used the gui to deploy mysql. But it's been hours and ...
3
votes
2answers
173 views

what is a configuration to allow access to juju-gui in local provider

I want to install juju-gui using local provider (re lxc) on a cloud instance. However, the problem I have is that juju-gui will be installed into an lxc container itself and that container will be a ...
0
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1answer
47 views

juju charm failed in local lxc

So I want to run my web application in the local lxc provider using juju.my web application is maven build application. So I create my charm and try to run it locally. In hooks I have installed java ...
0
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0answers
60 views

CentOS lxc on Ubuntu 12.04

I am trying to use CentOS 6.5 lxc on Ubuntu 12.04, but I have problems with installing rpm package on CentOS. Here's the error: [root@pgr ~]# rpm -ivh ...
1
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0answers
405 views

setting macvlan bridge for lxc containers

I am trying to create containers which can be accessed from outside. So i've chosen the macvlan mode of networking which can assign an IP to the containers in the same network as the host. I have ...
1
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2answers
215 views

Reflink cloning of LXC container on btrfs?

I use btrfs on my system and have created an LXC container with Xubuntu on it. Now I'd like to use that as a base for other containers. Since it's a btrfs, I can use cp --reflink to create a ...
1
vote
1answer
91 views

juju-quickstart: error: bad API response: cannot upload charm to provider storage: 500 INKApi Error

I have been able to use Juju from my home machine, however, when I attempt to use it from my work machine (which sits behind a proxy) I get: (Output from juju quickstart --debug) retrieving the Juju ...
0
votes
1answer
263 views

how to add lxc containers to host's DNS so that getaddrinfo() can resolve them?

I'm running LXC containers on Ubuntu 12.04 with a 3.8 kernel. The containers are on a host-only network, so their addresses are managed by dnsmasq. Is there a way to configure the host so that ...
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0answers
69 views

Link aggregation on a LXC bridge

I'm working on a server with a number of various interfaces (eth0-3) and I currently just use one for both host traffic and another for my LXC bridges traffic. Since I have a few spare ports just ...
3
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2answers
968 views

Switching Juju lxc bridge

I've set up Juju running in LXC, and I'm attempting to expose it to the internal network. I'm generally following this question to point lxc to my existing bridge (eth-br0). I've edited ...
2
votes
2answers
165 views

It is possible to hibernate an LXC container?

I know about lxc-freeze and lxc-unfreeze, but as I understand it, these simply pauses the container, similar to sending SIGSTOP and SIGCONT to a process. If I reboot the host, then the containers will ...
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0answers
31 views

Can I share a host process with linux container?

On my Ubuntu 12.04 host, I have created a linux container p2. On the host I have nginx installed and running. My question - Can I share the running nginx on host with one or more linux container? By ...
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0answers
16 views

Guest session on server

I want to execute user supplied codes as guest session so it will not affect the opperationg system. When the server is running, is it possible to log create a guest session on server and execute user ...
2
votes
0answers
103 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
22
votes
3answers
20k views

What is LXC and how to get started?

I will appreciate if someone could introduce me to LXC and tell me how to get started with this technology? In which cases does it make sense to use, and in which should i stay away from it?
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0answers
60 views

logging into a LXC container

Trying to create LXC container to run 32bit Wine on my 64bit machine. I have done all as instructed. Then coming to the part, where to start the container: sudo lxc-start -n my32bitbox After a ...