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{{DISPLAYTITLE: vzctl for upstream kernel}}
'''This article describes using OpenVZ tool vzctl as an alternative to LXC tools.'''
Running vzctl on upstream kernels is considered an experimental feature. See [[#LimitatonsLimitations]] below.
== Installation ==
If you are living on the bleeding edge, get vzctl sources from git. Then run autogen.sh to recreate auto* files:
git clone <nowiki>githttps://gitsrc.openvz.org/pubscm/ovzl/vzctl.git</nowiki>
cd vzctl
./autogen.sh
# make install
vzctl is also bundled in some Linux distributions, so you can install vzctl using native distro tools (i.e. your package manager):
* vzctl in [https://launchpad.net/ubuntu/+source/vzctl Ubuntu Linux] [https://help.ubuntu.com/community/OpenVZ Description]
* vzctl-core in [https://apps.fedoraproject.org/packages/vzctl-core Fedora Linux] [https://fedoraproject.org/wiki/QA:Testcase_vzctl_base Description]
* sys-cluster/vzctl in [http://packages.gentoo.org/package/sys-cluster/vzctl Gentoo Linux]
* vzctl in [https://packages.debian.org/search?keywords=vzctl Debian Linux]
== Known issues and workarounds ==
=== A container doesn't boot and udevd is in a process list ===
udev doesn't work, because <code>uevent</code>s are not virtualized yet. If you don't know how to disable it, you can remove the udev package.
=== <code>vzctl enter</code> doesn't work ===
You see this when trying to use <code>vzctl enter</code>:
Unable to open pty: No such file or directory
If a CT is executed in a user namespace, devpts must be mounted with the newinstance option. You can add this option in container's <code>/etc/fstab</code> file.
== See also ==
* [[OpenVZ with upstream kernel]]
