userland dtrace tools not working in jail
Kurt Jaeger
lists at opsec.eu
Thu Jul 21 17:47:25 UTC 2011
Hi!
> > I try to use dtrace in jail on FreeBSD-9-64.
[...]
> > open("/boot/kernel/kernel",O_RDONLY,00) ERR#2 'No such file
> > or directory'
>
> Here's your problem ^^^.
>
> dtrace extracts CTF information from the binaries. In case of kernel
> probes, that would be the kernel itself and loadable modules. All that
> stuff lives in /boot and is not accessible from your jail.
If he copied /boot to the jail, would it work ?
--
pi at opsec.eu +49 171 3101372 9 years to go !
More information about the freebsd-jail
mailing list