Thank you very much, Bruce. I will trace and try to find why the EPERM.is returned. Thanks for the script info in LiveCD. I have not thought before. Will update the info if I have progress.
Robin 2009/12/1 Bruce Simpson [email protected] > > > You're trying to use a shell output redirection ('>>') from a Router > Manager template file directly. This is probably going to break. > > RouterManager just happens to use RunShellCommand from libxorp for *most* > of the template program actions. This is purely how it happens to be > implemented right now, and it isn't invoked that way in all cases; please > refer to the source code. > > Have you ktrace'd or struss'd to discover exactly why EPERM ('Permission > denied') is being returned when your file cannot be created on 'commit'? > > If all you are trying to do is to implement some non-volatile storage, in > the form of a file holding some state, you are probably better off wrapping > that inside your commands; i.e. write a script which knows where the storage > is, rather than trying to use shell redirection, which may not behave how > you expect it to. > > For an example of this approach, please refer to the LiveCD / LiveUSB image > scripts under svn/trunk/other/LiveCD. > > In tools/tools/nanobsd/Files/sbin/usb_save is a POSIX shell script, invoked > by the Router Manager, which knows where its storage is. > In tools/tools/nanobsd/liveusb.nano are some hooks, in the shell function > cust_xorp_conf(), which append these commands to the misc.cmds template > file. > > thanks, > BMS >
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