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SUBUID


NAME
DESCRIPTION
FILES
SEE ALSO

NAME

subuid − the subordinate uid file

DESCRIPTION

Each line in /etc/subuid contains a user name and a range of subordinate user ids that user is allowed to use. This is specified with three fields delimited by colons (“:”). These fields are:

• login name

• numerical subordinate user ID

• numerical subordinate user ID count

This file specifies the user IDs that ordinary users can use, with the newuidmap command, to configure uid mapping in a user namespace.

Multiple ranges may be specified per user.

FILES

/etc/subuid

Per user subordinate user IDs.

/etc/subuid−

Backup file for /etc/subuid.

SEE ALSO

login.defs(5), newgidmap(1), newuidmap(1), newusers(1), subgid(5), useradd(8), userdel(8), usermod(8), user_namespaces(7).

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