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user_namespaces.7: Mention NS_GET_OWNER_UID ioctl() operation 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-12-02 09:22:40 +01:00
parent a563b19b70
commit 8e821c3aa8
1 changed files with 6 additions and 0 deletions
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6
man7/user_namespaces.7
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@ -212,6 +212,12 @@ has all capabilities in the namespace.
By virtue of the previous rule,
this means that the process has all capabilities in all
further removed descendant user namespaces as well.
The
.B NS_GET_OWNER_UID
.BR ioctl (2)
operation can be used to discover the user ID of the owner of the namespace;
see
.BR ioctl_ns (2).
.\"
.\" ============================================================
.\"