NEWGIDMAP(1) | User Commands | NEWGIDMAP(1) |
NAME¶
newgidmap - set the gid mapping of a user namespaceSYNOPSIS¶
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. After the pid argument, newgidmap expects sets of 3 integers: gidBegining of the range of GIDs inside the user
namespace.
lowergid
Begining of the range of GIDs outside the user
namespace.
count
Length of the ranges (both inside and outside the user
namespace).
newgidmap verifies that the caller is the owner of the process indicated
by pid and that for each of the above sets, each of the GIDs in the
range [lowergid, lowergid+count] is allowed to the caller according to
/etc/subgid before setting /proc/[pid]/gid_map.
Note that newgidmap may be used only once for a given process.
OPTIONS¶
There currently are no options to the newgidmap command.FILES¶
/etc/subgidList of users subordinate group IDs.
/proc/[pid]/gid_map
Mapping of gids from one between user namespaces.
SEE ALSO¶
login.defs(5), newusers(8), subgid(5), useradd(8), userdel(8), usermod(8).05/17/2017 | shadow-utils 4.2 |