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authorMichael Kerrisk <mtk.manpages@gmail.com>2016-07-07 14:25:12 +0200
committerMichael Kerrisk <mtk.manpages@gmail.com>2016-07-07 14:30:01 +0200
commit8c74a1cea4959a2fc0210b6b2bec0a0b531ea06c (patch)
tree91e160a0188b43bac34d16043315a0b5a76c7788 /man7/user_namespaces.7
parentc7e077eaa4badbfc3bd2f6c41a91b8c6ecc22719 (diff)
downloadman-pages-8c74a1cea4959a2fc0210b6b2bec0a0b531ea06c.tar.gz
user_namespaces.7: Clarify details of CAP_SYS_ADMIN and cgroup v1 mounts
With respect to cgroups version 1, CAP_SYS_ADMIN in the user namespace allows only *named* hierarchies to be mounted (and not hierarchies that have a controller). Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/user_namespaces.7')
-rw-r--r--man7/user_namespaces.76
1 files changed, 5 insertions, 1 deletions
diff --git a/man7/user_namespaces.7 b/man7/user_namespaces.7
index 8ecbf7f8f6..38f390d130 100644
--- a/man7/user_namespaces.7
+++ b/man7/user_namespaces.7
@@ -266,7 +266,11 @@ Holding
.B CAP_SYS_ADMIN
within the user namespace associated with a process's cgroup namespace
allows (since Linux 4.6)
-that process to mount cgroup filesystems.
+that process to the mount cgroup version 2 filesystem and
+cgroup version 1 named hierarchies
+(i.e., cgroup filesystems mounted with the
+.BR """none,name="""
+option).
Holding
.B CAP_SYS_ADMIN