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

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4
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1answer
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+200

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
17 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 ...
0
votes
1answer
420 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 ...
1
vote
2answers
678 views

Forward port to LXC guest using UFW

I am trying to forward port 2222 on my host 192.168.2.252 to a LXC guest on 10.0.3.11. How do I do it using the UFW-framework? In other words I want to do this but with the ufw-framework. iptables ...
1
vote
0answers
28 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
21 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 ...
0
votes
1answer
316 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
42 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, ...
4
votes
0answers
276 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 ...
4
votes
2answers
10k 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 ...
2
votes
4answers
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 ...
3
votes
2answers
232 views

lxc-create with non default user

When using "lxc-create -t ubuntu" how does one specify the user of the new container? I don't want the default ubuntu:ubuntu but to specify my own unique username and password. I'm using lxc ...
1
vote
0answers
59 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
33 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
vote
1answer
44 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 ...
1
vote
0answers
37 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 ...
3
votes
3answers
1k 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 ...
1
vote
1answer
83 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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0answers
28 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 ...
1
vote
0answers
62 views

Openstack Juno Trusty LXC

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 ...
0
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0answers
178 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
votes
1answer
62 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 ...
12
votes
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 ...
0
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0answers
37 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 ...
3
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3answers
3k 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 ...
0
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0answers
64 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 ...
3
votes
2answers
341 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
votes
1answer
29 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 ...
3
votes
2answers
512 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 ...
13
votes
7answers
6k 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
vote
0answers
106 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
votes
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
votes
0answers
111 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 ...
0
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0answers
94 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
124 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 ...
1
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0answers
110 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
1answer
160 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: ...
0
votes
1answer
43 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 ...
1
vote
0answers
577 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
votes
1answer
135 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) ...
1
vote
1answer
482 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
112 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
vote
0answers
46 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 ...
0
votes
2answers
341 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
33 views
0
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0answers
42 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 ...
4
votes
1answer
183 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
vote
1answer
220 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".
0
votes
1answer
309 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
vote
1answer
172 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 ...