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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.
The NSFS column, printed when net is specified for the --type
option, is special; it uses multi-line cells. Use the option
--nowrap to switch 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).
--output-all
Output all available columns.
-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, cgroup
and time. 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
2020-12-18. (At that time, the date of the most recent commit
that was found in the repository was 2020-12-17.) 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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