{"id":3333,"date":"2022-12-20T17:02:21","date_gmt":"2022-12-20T20:02:21","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/lsns-man8\/"},"modified":"2022-12-20T17:02:21","modified_gmt":"2022-12-20T20:02:21","slug":"lsns-man8","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/lsns-man8\/","title":{"rendered":"LSNS (man8)"},"content":{"rendered":"

LSNS<\/h1>\n

NAME<\/a>
SYNOPSIS<\/a>
DESCRIPTION<\/a>
OPTIONS<\/a>
AUTHORS<\/a>
SEE ALSO<\/a>
AVAILABILITY<\/a> <\/p>\n

\n

NAME <\/a> <\/h2>\n

lsns \u2212 list namespaces<\/p>\n

SYNOPSIS <\/a> <\/h2>\n

lsns<\/b> [options] [namespace<\/i>]<\/p>\n

DESCRIPTION <\/a> <\/h2>\n

lsns<\/b> lists information about all the currently accessible namespaces or about the given namespace<\/i>. The namespace<\/i> identifier is an inode number.<\/p>\n

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 \u2212\u2212output<\/b> option together with a columns list in environments where a stable output is required.<\/p>\n

The NSFS<\/b> column, printed when net<\/b> is specified for the \u2212\u2212type<\/b> option, is special; it uses multi-line cells. Use the option \u2212\u2212nowrap<\/b> to switch to “,”-separated single-line representation.<\/p>\n

Note that lsns<\/b> 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 \u2212\u2212mount\u2212proc<\/b> for more details). lsns<\/b> is not able to see persistent namespaces without processes where the namespace instance is held by a bind mount to \/proc\/pid<\/i>\/ns\/type<\/i>.<\/p>\n

OPTIONS <\/a> <\/h2>\n

\u2212J<\/b>, \u2212\u2212json<\/b><\/p>\n

Use JSON output format.<\/p>\n

\u2212l<\/b>, \u2212\u2212list<\/b><\/p>\n

Use list output format.<\/p>\n

\u2212n<\/b>, \u2212\u2212noheadings<\/b><\/p>\n

Do not print a header line.<\/p>\n

\u2212o<\/b>, \u2212\u2212output<\/b> list<\/i><\/p>\n

Specify which output columns to print. Use \u2212\u2212help<\/b> to get a list of all supported columns.<\/p>\n

The default list of columns may be extended if list<\/i> is specified in the format +<\/b>list<\/i> (e.g., lsns \u2212o +PATH).<\/b><\/p>\n

\u2212\u2212output\u2212all<\/b><\/p>\n

Output all available columns.<\/p>\n

\u2212p<\/b>, \u2212\u2212task<\/b> pid<\/i><\/p>\n

Display only the namespaces held by the process with this pid<\/i>.<\/p>\n

\u2212r<\/b>, \u2212\u2212raw<\/b><\/p>\n

Use the raw output format.<\/p>\n

\u2212t<\/b>, \u2212\u2212type<\/b> type<\/i><\/p>\n

Display the specified type<\/i> of namespaces only. The supported types are mnt<\/b>, net<\/b>, ipc<\/b>, user<\/b>, pid<\/b>, uts<\/b>, cgroup<\/b> and time<\/b>. This option may be given more than once.<\/p>\n

\u2212u<\/b>, \u2212\u2212notruncate<\/b><\/p>\n

Do not truncate text in columns.<\/p>\n

\u2212W<\/b>, \u2212\u2212nowrap<\/b><\/p>\n

Do not use multi-line text in columns.<\/p>\n

\u2212V<\/b>, \u2212\u2212version<\/b><\/p>\n

Display version information and exit.<\/p>\n

\u2212h<\/b>, \u2212\u2212help<\/b><\/p>\n

Display help text and exit.<\/p>\n

AUTHORS <\/a> <\/h2>\n

Karel Zak <\/p>\n

SEE ALSO <\/a> <\/h2>\n

nsenter<\/b>(1), unshare<\/b>(1), clone<\/b>(2), namespaces<\/b>(7)<\/p>\n

AVAILABILITY <\/a> <\/h2>\n

The lsns command is part of the util-linux package and is available from https:\/\/www.kernel.org\/pub\/linux\/utils\/util-linux\/.<\/p>\n

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