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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHORS | SEE ALSO | AVAILABILITY | COLOPHON |
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LSNS(8) System Administration LSNS(8)
lsns - list namespaces
lsns [options] [namespace]
lsns lists information about all the currently accessible namespaces
or about the given namespace. The namespace identifier is an inode
number.
The default output is subject to change. So whenever possible, you
should avoid using default outputs in your scripts. Always
explicitly define expected columns by using the --output option
together with a columns list in environments where a stable output is
required.
NSFS column, printed when net is specified for --type option, is
specifal; it uses multi-line cells. Use the option --nowrap is for
switching to "," separated single-line representation.
Note that lsns reads information directly from the /proc filesystem
and for non-root users it may return incomplete information. The
current /proc filesystem may be unshared and affected by a PID
namespace (see unshare --mount-proc for more details). lsns is not
able to see persistent namespaces without processes where the
namespace instance is held by a bind mount to /proc/pid/ns/type.
-J, --json
Use JSON output format.
-l, --list
Use list output format.
-n, --noheadings
Do not print a header line.
-o, --output list
Specify which output columns to print. Use --help to get a
list of all supported columns.
The default list of columns may be extended if list is
specified in the format +list (e.g. lsns -o +PATH).
-p, --task pid
Display only the namespaces held by the process with this pid.
-r, --raw
Use the raw output format.
-t, --type type
Display the specified type of namespaces only. The supported
types are mnt, net, ipc, user, pid, uts and cgroup. This
option may be given more than once.
-u, --notruncate
Do not truncate text in columns.
-W, --nowrap
Do not use multi-line text in columns.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
Karel Zak <kzak@redhat.com>
nsenter(1), unshare(1), clone(2), namespaces(7)
The lsns command is part of the util-linux package and is available
from https://www.kernel.org/pub/linux/utils/util-linux/.
This page is part of the util-linux (a random collection of Linux
utilities) project. Information about the project can be found at
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a
bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2018-02-02. (At that time, the date of the most recent commit that
was found in the repository was 2018-02-01.) 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
util-linux December 2015 LSNS(8)
Pages that refer to this page: namespaces(7)
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