NAME

       newgidmap - set the gid mapping of a user namespace

SYNOPSIS

       newgidmap pid gid lowergid count [pid gid lowergid count [ ... ]]

DESCRIPTION

       The newgidmap sets /proc/[pid]/gid_map based on it's command line arguments and the gids
       allowed in /etc/subgid.

OPTIONS

       There currently are no options to the newgidmap command.

NOTE

       The only restriction placed on the login shell is that the command name must be listed in
       /etc/shells, unless the invoker is the superuser, and then any value may be added. An
       account with a restricted login shell may not change her login shell. For this reason,
       placing /bin/rsh in /etc/shells is discouraged since accidentally changing to a restricted
       shell would prevent the user from ever changing her login shell back to its original
       value.

FILES

       /etc/subgid
           List of users subordinate user IDs.

       /proc/[pid]/gid_map
           Mapping of gids from one between user namespaces.

SEE ALSO

       login.defs(5), useradd(8), usermod(8), newusers(8), userdel(8), subgid(5).