watch(8) does not work in jails
rsmith at xs4all.nl
Mon Aug 16 18:17:10 UTC 2010
On Mon, Aug 16, 2010 at 11:23:00AM +0200, David DEMELIER wrote:
> I enabled `device snp' in my kernel config file and with this I can
> use the command watch(8) to see any tty device attached. For example :
> # watch ttyv0
> Give me the output of the console.
> But in jails, it's not the same thing, I tried the following :
> # jexec 1 tcsh
> # su -
> People# watch pts/0
> watch: fatal: cannot open snoop device
> Is there a limitation of watch(8), or jails ?
Does /dev/pts/0 actually exist in the jail's devfs instance, and are its
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