Hello,
we use realvnc for some of our automated data visualisation. Therefore
we frequently launch "vncserver" automatically through a crontab entry.
Recently, it just so happened that we were launching two instances of
vncserver simultaneously. This leads to a race condition, with both
servers potentially claiming the identical X display number.
Is there an easy way to avoid this (apart from the obvious "don't start
two instances simultaneously")? It is difficult to guarantee that we
will never ever launch two instances of vncserver simultaneously, since
on a multi-user machine there are many users with many cron entries!
Any thoughts welcome!
-- Martin
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