subuid(5)
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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