lxc-cgroup - manage the control group associated with a container
Contents
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.
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.
Diagnostic
The container was not found
The container is not running.
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.
Name
lxc-cgroup - manage the control group associated with a container
Options
state-object
Specify the state object name.
[value]
Specify the value to assign to the state object.
See Also
lxc(7), lxc-create(1), lxc-copy(1), lxc-destroy(1), lxc-start(1), lxc-stop(1), lxc-execute(1), lxc-con‐sole(1), lxc-monitor(1), lxc-wait(1), lxc-cgroup(1), lxc-ls(1), lxc-info(1), lxc-freeze(1), lxc-un‐freeze(1), lxc-attach(1), lxc.conf(5) 2025-05-10 lxc-cgroup(1)
Synopsis
lxc-cgroup {-n name} {state-object} [value]
