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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | COLOPHON |
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lxc-user-nic(1) lxc-user-nic(1)
lxc-user-nic - Manage nics in another network namespace
lxc-user-nic create {lxcpath} {name} {pid} {type} {bridge}
{container nicname}
lxc-user-nic delete {lxcpath} {name} {path to network namespace}
{type} {bridge} {container nicname}
lxc-user-nic is a setuid-root program with which unprivileged
users may manage network interfaces for use by a lxc container.
It will consult the configuration file /etc/lxc/lxc-usernet to de‐
termine the number of interfaces which the calling user is allowed
to create, and which bridge they may attach them to. It tracks the
number of interfaces each user has created using the file
/run/lxc/nics. It ensures that the calling user is privileged over
the network namespace to which the interface will be attached.
lxc-user-nic also allows one to delete network devices. Currently
only ovs ports can be deleted.
lxcpath
The path of the container. This is currently not used.
name The name of the container. This is currently not used.
pid The process id for the task to whose network namespace the
interface should be attached.
type The network interface type to attach. Currently only veth
is supported. With this type, two interfaces representing
each tunnel endpoint are created. One endpoint will be at‐
tached to the specified bridge, while the other will be
passed into the container.
bridge The bridge to which to attach the network interface, for
instance lxcbr0.
container nicname
The desired interface name in the container. This will be
eth0 if unspecified.
path to network namespace
A path to open to get a file descriptor for the target net‐
work namespace. This is only relevant when an veth device
is deleted.
lxc(1), lxc-start(1), lxc-usernet(5)
This page is part of the lxc (Linux containers) project. Informa‐
tion about the project can be found at
⟨http://linuxcontainers.org/⟩. If you have a bug report for this
manual page, send it to lxc-devel@lists.linuxcontainers.org. This
page was obtained from the project's upstream Git repository
⟨https://github.com/lxc/lxc.git⟩ on 2025-02-02. (At that time,
the date of the most recent commit that was found in the
repository was 2025-01-24.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
2024-04-03 lxc-user-nic(1)
Pages that refer to this page: lxc-usernet(5)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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