Questions tagged [lxc]

LXC short for (Linux Containers) LXC is an operating system-level virtualization method for running multiple isolated Linux systems (containers) on a single control host. LXC is the userspace control package for Linux Containers, a lightweight virtual system mechanism sometimes described as “chroot on steroids”.

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How to auto-start unprivileged lxc containers?

On Ubuntu 14.04, I have created an unprivileged container that I can manually start and stop. But I would like this to start and stop along with the system. I have added the following to the ...
8
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2answers
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Bridging LXC containers to host eth0 so they can have a public IP

UPDATE: I found the solution there: http://www.linuxfoundation.org/collaborate/workgroups/networking/bridge#No_traffic_gets_trough_.28except_ARP_and_STP.29 # cd /proc/sys/net/bridge # ls bridge-...
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2answers
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bridging LXC containers to host network with different IP range

I'm pretty new to linux, and I have been struggling with a problem for the past week or so... I am trying to setup a cluster of LXC containers on a workstation (host) which is has IP 192.168.10.33 ...
45
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9answers
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Docker containers can't resolve DNS on Ubuntu 14.04 Desktop Host

I'm running into a problem with my Docker containers on Ubuntu 14.04 LTS. Docker worked fine for two days, and then suddenly I lost all network connectivity inside my containers. The error output ...
46
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6answers
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How to specify hostname for the running container?

I'm having trouble setting the hostname on a running docker container. I'm also having trouble understanding how to specify hostname after the image is started. I started a container from an image I ...
7
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2answers
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Running linux containers (lxc) on ubuntu to isolate web server processes (ruby/thin)

I am trying to setup a server where I would be running multiple apps. Mostly internal but could also be open source projects like Redmine. They would all be Rails/Ruby apps/test scripts running on ...
41
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6answers
48k views

How to disconnect from lxc-console

I'm working with lxc in Ubuntu 12.04, and it's really great. However, I am unable to disconnect from a lxc-console session after I've connected. I read somewhere that Ctrl-aq will disconnect me from ...
17
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3answers
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No tun device in lxc guest for openvpn

I am trying to set up an openvpn server inside a lxc guest. However, it seams there is no tun device available in the container. Starting openvpn inside the container gives me this error: Tue Sep 18 ...
14
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5answers
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Setting up bridged LXC containers with static IPs

I'm trying to setup multiple LXC containers on a host, each with public static IPs of their own. My host is running the latest Ubuntu. It has a single network interface named eth0. The static IPs ...
9
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3answers
4k views

Explain in Plain English what is LXC and for what it is useful [closed]

What is LXC? For what it is useful? What are the differences between LXC and common virtualization?
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3answers
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Linux containers (LXC) on Red Hat/CentOS EL6 - lxc-create versus libvirt?

It's tricky trying to stay within the good graces of Red Hat and still plan for system longevity... I've been a proponent of Linux Containers (LXC) for over a year. My initial installations were ...
2
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1answer
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FreeIPA in LXD/LXC containers - cannot switch user

The Setup consists of one FreeIPA-Server and one Client, which both reside in unprivileged LXD-Containers on the same Host. Both containers and the host machine run Ubuntu 16.04. All Settings are ...
12
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3answers
6k views

Microsoft Windows equivalent to LXC

Does Microsoft Windows have any equivalent product similar to Ubuntu's LXC container virtualization technology?
4
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2answers
3k views

LXC networking with public IP

I have installed LXC in ubuntu server 12.04 using this link. It was installed successfully and i am able login using ubutu/ubuntu as username and password. Then I tried to setup network for LXC ...
1
vote
1answer
3k views

lxc vm access outside the host

On Debian 64bit, I configured a lxc like this : host ip : 172.16.0.25 vm guest on this host : 172.16.0.44 I've done the bridge on my host auto eth0 iface eth0 inet manual up ...
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3answers
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Reverse Proxy Linux Containers

I am trying to set up a reverse proxy on my ubuntu 14.04 host so that I can run multiple websites, each in their own LXC container (one day docker but one step at a time). In this example the sites/...
5
votes
1answer
1k views

Why are cgroups (blkio serviced bytes) and iotop producing diverging results

I work with lxc user space tools on ubuntu 14.04 and I want to perform some stress tests and benchmarking within a container. I know that free and htop are not working properly in a container. I am ...
3
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1answer
4k views

systemd-journal in Debian Jessie LXC container eats 100% CPU

After creating fresh LXC based on Debian Jessie, on a Ubuntu 14.04, systemd-journal eats all CPU available. lxc-create -n jessie -t debian
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vote
1answer
473 views

LXC guest OS installation

I have created a LXC virtualized physical server with Centos 6.8 as host OS. Now when I am creating guest VM using the default template of Centos, it is creating the VM's with Centos 6.8 as the guest ...
-2
votes
1answer
327 views

Even with root user Im receiving 'Operation not permitted' when try creating gluster volume between Ubuntu 14.04 LXC containers

Even with root user Im receiving 'Operation not permitted' when try creating gluster volume between Ubuntu 14.04 LXC containers. Need test the solution locally before install it on prodution and even ...
11
votes
3answers
7k views

Proper way of handling LXC containers on btrfs

Lets say we have one server with lxc installed, and a lxc container used for as a base img /var/lib/lxc/ubuntu_base. For simplicity let's forget the config changes after copying the base img. some ...
3
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1answer
1k views

Managing LXC containers in EC2

I have an EC2 instance running inside a VPC. I need to run a service inside a LXC container started in that instance and to make the service available to the outside world. I have therefore created a ...
2
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2answers
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veth, macvlan or maybe sth else?

I don't understand the modes of lxc network. I'd like to have 4 guests: apache1, apache2, database and frontdoor frontdoor is a squid which decides which apache should be used It works perfectly ...
1
vote
1answer
104 views

Can you run Docker natively on the new Windows 10 Linux kernel?

My understanding was that the primary limitation of running docker on other OSs was the Linux Network containers that made it possible. (Certainly for Macs). Recently Microsoft announced a plan to ...
0
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1answer
183 views

access webpage via url in an lxc container

I have installed a webserver in an lxc container. This webserver can be accessed from the outside world via its URL thanks to the following iptable rule: sudo iptables -t nat -A PREROUTING -i eno1 -p ...