On Mon, Jan 06, 2014 at 12:20:07PM +0100, Patrick Ohly wrote: > On Mon, 2014-01-06 at 18:11 +0800, Yang Chengwei wrote: > > On Thu, Jan 02, 2014 at 10:48:16PM +0000, Schaufler, Casey wrote: > > > You can change the Smack label of your process to “_” by: > > > > > > > > > > > > # echo _ > /proc/self/attr/current > > > > Isn't the /proc/self point to the current "echo" process? > > Not always. This relies on echo being a builtin command of the current > shell, so the command really does change the label of the current shell > process when using e.g. bash.
Oh, yes, there is a builtin echo in bash, so echo always the builtin one rather the one from coreutils. Thanks! -- Thanks, Chengwei > > It's probably safer to be explicit: > > echo _ > /proc/$$/attr/current > > -- > Best Regards, Patrick Ohly > > The content of this message is my personal opinion only and although > I am an employee of Intel, the statements I make here in no way > represent Intel's position on the issue, nor am I authorized to speak > on behalf of Intel on this matter. >
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