NAME¶

lxc-cgroup - manage the control group associated with a container

SYNOPSIS¶

lxc-cgroup
{-n name} {state-object} [value]

DESCRIPTION¶

lxc-cgroup gets or sets the value of a state-object (e.g., 'cpuset.cpus') in the container's cgroup for the corresponding subsystem (e.g., 'cpuset'). If no [value] is specified, the current value of the state-object is displayed; otherwise it is set.

Note that lxc-cgroup does not check that the state-object is valid for the running kernel, or that the corresponding subsystem is contained in any mounted cgroup hierarchy.

OPTIONS¶

state-object

Specify the state object name.

[value]

Specify the value to assign to the state object.

COMMON OPTIONS¶

These options are common to most of lxc commands.

-?, -h, --help

Print a longer usage message than normal.

--usage

Give the usage message

-q, --quiet

mute on

-P, --lxcpath=PATH

Use an alternate container path. The default is /var/lib/lxc.

-o, --logfile=FILE

Output to an alternate log FILE. The default is no log.

-l, --logpriority=LEVEL

Set log priority to LEVEL. The default log priority is ERROR. Possible values are : FATAL, ALERT, CRIT, WARN, ERROR, NOTICE, INFO, DEBUG, TRACE.

Note that this option is setting the priority of the events log in the alternate log file. It do not have effect on the ERROR events log on stderr.

-n, --name=NAME

Use container identifier NAME. The container identifier format is an alphanumeric string.

--rcfile=FILE

Specify the configuration file to configure the virtualization and isolation functionalities for the container.

This configuration file if present will be used even if there is already a configuration file present in the previously created container (via lxc-create).

--version

Show the version number.

EXAMPLES¶

lxc-cgroup -n foo devices.list

display the allowed devices to be used.

lxc-cgroup -n foo cpuset.cpus "0,3"

assign the processors 0 and 3 to the container.

DIAGNOSTIC¶

The container was not found

The container is not running.

SEE ALSO¶

lxc(7), lxc-create(1), lxc-copy(1), lxc-destroy(1), lxc-start(1), lxc-stop(1), lxc-execute(1), lxc-console(1), lxc-monitor(1), lxc-wait(1), lxc-cgroup(1), lxc-ls(1), lxc-info(1), lxc-freeze(1), lxc-unfreeze(1), lxc-attach(1), lxc.conf(5)

AUTHOR¶

Daniel Lezcano <daniel.lezcano@free.fr>