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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2020-06-09 10:03:04 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2020-06-09 10:03:04 +0200 |
| commit | 94e316bfea2eae48b516aaebe5f33bb11e1fe54d (patch) | |
| tree | f2b339cb195ed6e7b0e9f17d51e8b1426bb3215c /man7/user_namespaces.7 | |
| parent | 7dc03d86073b3b8b6cf46c4a573e0b85fe32099f (diff) | |
| download | man-pages-94e316bfea2eae48b516aaebe5f33bb11e1fe54d.tar.gz | |
user_namespaces.7: Clarify "system time"
From an email conversation with Léo Stefanesco:
> In the man7.org version of the man page for user_namespaces(7), it reads:
>
> there are many privileged operations that affect
> resources that are not associated with any namespace type,
> for example, changing the system time
> (governed by CAP_SYS_TIME)
>
> which is not consistent with time_namespaces(7).
In fact, strictly peaking the text still is correct, even after
the arrival of time namespaces.
Time namespaces virtualize only the boot-time and monotonic
clocks, not the "real time" (i.e., calendar time), which is the
time referred in the passage you quote.
That said, the text is perhaps now a little misleading, and
a little clarification would help. I changed the text to:
there are many privileged operations that affect
resources are not associated with any namespace type,
for example, changing the system **(i.e., calendar)** time
(governed by CAP_SYS_TIME)
Reported-by: Léo Stefanesco <leo.lveb@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/user_namespaces.7')
| -rw-r--r-- | man7/user_namespaces.7 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/man7/user_namespaces.7 b/man7/user_namespaces.7 index 9077498a2c..c497063103 100644 --- a/man7/user_namespaces.7 +++ b/man7/user_namespaces.7 @@ -235,7 +235,7 @@ namespaces owned by (associated with) the user namespace .PP On the other hand, there are many privileged operations that affect resources that are not associated with any namespace type, -for example, changing the system time (governed by +for example, changing the system (i.e., calendar) time (governed by .BR CAP_SYS_TIME ), loading a kernel module (governed by .BR CAP_SYS_MODULE ), |