chown

Changes ownership and/or group ownership for files or directories.

Synopsis

chgrp [-R] [-v] [-u <username>] [-g <group_name>] <filepath> [<filepath> ...]
Syntax conventions Description

UPPERCASE

Literal keyword.

Lowercase

Not literal.

<`Italics>`

Variable value. Replace with a valid option or user-defined value.

[ ]

Optional. Square brackets ( [ ] ) surround optional command arguments. Do not type the square brackets.

( )

Group. Parentheses ( ( ) ) identify a group to choose from. Do not type the parentheses.

|

Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.

...

Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.

'<Literal string>'

Single quotation ( ' ) marks must surround literal strings in CQL statements. Use single quotation marks to preserve upper case.

{ <key>:<value> }

Map collection. Braces ( { } ) enclose map collections or key value pairs. A colon separates the key and the value.

<<datatype1>,<datatype2>>

Set, list, map, or tuple. Angle brackets ( < > ) enclose data types in a set, list, map, or tuple. Separate the data types with a comma.

cql_statement;

End CQL statement. A semicolon ( ; ) terminates all CQL statements.

[ -- ]

Separate the command line options from the command arguments with two hyphens ( -- ). This syntax is useful when arguments might be mistaken for command line options.

' <<schema> ... </schema> >'

Search CQL only: Single quotation marks ( ' ) surround an entire XML schema declaration.

@<xml_entity>='<xml_entity_type>'

Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files.

Definition

The short form and long form parameters are comma-separated.

Command arguments

filepath

Explicit or relative filepath.

  • Wildcard characters are supported.

  • Explicit file system prefixes dsefs: and file: are supported.

  • .. is the parent directory.

-g, --group group_name

New owner group name.

-R, --recursive

Remove directories and their contents recursively.

-u, --user username

Set new owner username.

-v, --verbose

Turn on verbose output.

Examples

Recursively change ownership to admin group for two files

dsefs dsefs://127.0.0.1:5598/ > chown -R -g admin file:/home/myFile file:/data2/myFile2

Change ownership to John Doe

dsefs dsefs://127.0.0.1:5598/ > chown -u jdoe dsefs:/home/myFile

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