On Wed, 2005-07-13 at 01:46 -0500, Mike McCarty wrote: > Paul Howarth wrote: > > >On Tue, 2005-07-12 at 22:05 -0500, Mike McCarty wrote: > > > > > >>Tony Nelson wrote: > >> > >> > >> > >>>At 2:08 PM -0500 7/12/05, Mike McCarty wrote: > >>> > >>> > >>> > >>> > >>[with regards to /proc/sys/vm/swappiness] > >> > >> > >> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>So is mine, and attempts to edit that file fail. > >>>> > >>>> > >>>> > >>>> > >>>Works here. Were you root? Do you really mean "edit" or did you: > >>> > >>> # cat 59 >/proc/sys/vm/swappiness > >>> > >>>I get permission denied as a normal user, while the value sticks if I'm > >>>root. The sign that the patch is in the kernel is that changes don't > >>>stick. So I suppose it never made it in. > >>> > >>> > >>> > >>> > >>I was logged in as myself, with su. I used an editor which read it fine. > >>Attempts to save the edit failed with access denied. I did not try a cat. > >> > >> > > > >/proc files aren't regular files and editing them with a regular editor > >may not work. > > > >Neither would the "cat" command above, unless there was a file called > >"59" in the current directory. > > > >What was probably meant was: > ># echo 59 /proc/sys/vm/swappiness > > > >Paul. > > > > > I think you mean > > # echo 59 > /proc/sys/vm/swappiness > > which is what I took him to mean, as well. Yes, that's what I meant. > I don't understand why echo should be able to write a file that > an editor cannot. Some editors like to rename the original file to "filename~" and then write out a new file "filename". This won't work in /proc. Paul. -- Paul Howarth <paul@xxxxxxxxxxxx>
