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

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1answer
68 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. ...
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1answer
53 views
+200

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 ...
2
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2answers
62 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
13 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 ...
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0answers
28 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 ...
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0answers
16 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
52 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
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1answer
18 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
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1answer
53 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
34 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
votes
2answers
762 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 ...
0
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1answer
566 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 ...
2
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2answers
50 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
16 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
11 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
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0answers
42 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 ...
20
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3answers
16k 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
20 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 ...
0
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1answer
66 views

Communication between Linux Containers (lxc)

I have a container for my Apache webserver, and another one for my Mysql server. I have given them 2 static IPs NAME STATE IPV4 IPV6 AUTOSTART ...
46
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1answer
12k views

How do I configure juju for local usage?

I'm too cheap to pay for EC2, and I don't have enough servers to set up my own openstack, how do I configure juju to use Linux Containers (LXC) on something like my laptop?
1
vote
2answers
104 views

Can I set up MAAS and Juju on one machine?

Here is what I want to setup: MaaS on a single PC MaaS providing the host OS for 4 VMs (3 LXC + 1 KVM) Using Juju to deploy services on the 4 VMs (nodes on MaaS) How can I accomplish this?
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0answers
26 views

Linux Container Creation

I am new to linux containers and when I create a linux container with the help of the command lxc-create, it comes up with the following error : configuration path /var/lib/lxc not found The command ...
2
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1answer
113 views

bash doesn't think lxc is installed, apt thinks it is

This screenshot sums up my problem: I've run apt-get update, upgrade, purge, autoremove and then install again. No luck. Anyone know why this is happening?
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0answers
21 views

cloning lxc container using python3-lxc

I am experimenting with lxc on ubuntu 14.04. In order to manage a couple of lxc instances I am using python3-lxc. Using pyhthon3-lxc, I do fail to clone an existing container: >>> import lxc ...
0
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1answer
220 views

Ubuntu cgroup architecture: cgroup-lite vs cgroup-bin and default config for lxc, libvirt-bin?

It seems that (at least in Ubuntu 12.04 Precise), the cgroup-lite package is used to provide some cgroup capabilities for packages like libvirt-bin and lxc. It sets up a number of cgroups in ...
1
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1answer
161 views

LXC PID namespace

I've been playing around a tad with LXC recently and one of the things I couldn't figure out is how are LXCs in Ubuntu implementing namespacing - in particular PID namespacing. I can't seem to find ...
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0answers
133 views

Boot problems. 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 ...
3
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0answers
107 views

apt-get in LXC container is very slow on Ubuntu Server 12.04

I haven't had much luck in finding out the source of the issue, whether this "issue" is simply a limitation of LXC or zfs, or whether this issue is specific to Ubuntu. The issue is quite simply that ...
10
votes
6answers
4k 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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2answers
186 views

Practical number of concurrent LXC limit on one node

Is there any practical limit on the number of concurrent LXC containers to run on one box. Obviously, this depend on the node spec (cpu, ram,..) but really what I am wondering is the cost of running ...
8
votes
2answers
296 views

How do I “clean up” a machine after using the local provider?

I'm doing some testing and sometimes I have issues with containers and juju. How do I clean up a machine so that I can start using the local provider "from scratch" without reinstalling?
1
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1answer
36 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
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1answer
467 views

lxc trusty (ubuntu 14.04) network interface is not starting

My host environment is Ubuntu 12.04 LTS. I have created (as root) a container as follows: lxc-create -n bitshares2 -t ubuntu -- --release trusty I first start as a daemon lxc-start -n ...
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0answers
14 views

Returning to host machine from linux container

I have installed lxc on my server, then created an lxc container (ubuntu template and name is master). Next I started my container master, then logged in by command lxc-console, then I logout from ...
0
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0answers
219 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 ...
1
vote
1answer
115 views

juju error executing lxc-clone local-provider

I'm trying to use juju with local-provider to setup juju-gui (and owncloud eventually). After "juju deploy juju-gui", juju status shows the error: agent-state-info: '(error: error executing ...
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0answers
80 views

Prerouting SSH to lxc container?

I'm trying to ssh on my container but i'm getting these errors OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: Applying ...
0
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1answer
172 views

Snapshot of a LXC container

Please, is it possible to migrate a container to a new node and restart it there ? And How? should i take a snapshot of the container or i transfer the repository to the new node ? (Beginner with ...
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0answers
204 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 ...
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0answers
27 views

Lxc with ovs and of-controller [on hold]

For one of my project I have a setup as below on ubuntu 13.04 openflow controller(floodlight controller) | openflow switch | ____ |_________ | | ...
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0answers
173 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 ...
10
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2answers
7k views

What should i choose? LXC vs OpenVZ

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
votes
1answer
93 views

How to bootstrap puppetmaster on lxc on Ubuntu?

Installation of puppet master on Ubuntu has always been a matter of luck and a lot of patience to me - there are many seemingly unrelated things to do which has to be done in the precise order, many ...
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0answers
74 views

What facets should I consider when deciding which guest to jail in (“full”) KVM and which in LXC?

Currently I am migrating to a new server. The old one ran 10.04 as host system and a few more 10.04 and Debian 6 as KVM guests. This was alright, because the processor had support for virtualization. ...
1
vote
1answer
346 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 ...
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0answers
1k views

“Can not write log, openpty() failed (/dev/pts not mounted?)”

I used this post to install LXC. The installation is success and creating the container complain give this message: "Can not write log, openpty() failed (/dev/pts not mounted?)" but in the end ...
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0answers
30 views

unable to create more than one device with dmsetup inside lxc

I am using lxc for running encryption app.  The app run "dmsetup" on devices added in the container/VM. On running the "dmsetup create clear_sdb1" the device gets created as /dev/mapper/clear_sdb1  ...
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0answers
54 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 ...
0
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0answers
50 views

How to bind LXC instance to a virtual interface in Ubuntu 12.04?

I would like to bind my LXC instance to a virtual interface, eth0:1. All the other tutorials/guides I've seen involve setting the main interface to br0, and restarting the networking service, which is ...
0
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0answers
74 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) ...