[pve-devel] [PATCH docs] calendar-events: add a note about `systemd-analyze calendar`

[Shannon Sterz]

this is mentioned in the `systemd.time(7)` manpage, but adding it here
to should give it more exposure. it's very handy and hopefully avoids
some frustration for users less familiar with calendar events.

Signed-off-by: Shannon Sterz <s.sterz at proxmox.com>
---
 calendar-events.adoc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/calendar-events.adoc b/calendar-events.adoc
index 4112f1e..f46f589 100644
--- a/calendar-events.adoc
+++ b/calendar-events.adoc
@@ -58,6 +58,11 @@ First are hours, then minutes. Hours can be omitted if not needed. In this
 case `'*'` is assumed for the value of hours.
 The valid range for values is `0-23` for hours and `0-59` for minutes.
 
+NOTE: You can use `systemd-analyze calendar` to see whether a given calendar
+event specification is valid and when it would be triggered next. By passing the
+`--iterations=<N>` flag you can also let it output the next `<N>` times the
+calendar event would trigger (you need to replace `<N>` with a valid integer).
+
 [[pvesr_schedule_format_examples]]
 Examples:
 ~~~~~~~~~
-- 
2.39.5