I use owfs on RasPi and I can remember struggling with 'already present'
problems, but cannot remember the details. I think that I added
--nozero to the command starting owfs.
One thing you should understand is that /mnt/1wire is a real directories
but anything below that are pseudo directories or files created by 1wire
using fuse. If you reboot the Pi then /mnt/1wire should be empty until
you start 1-wire again.
Can you post back with a bit more info, how do you start owfs, which
adapter do you use?
Cheers
Mick
On 05/06/15 11:13, Reid wrote:
I have used i buttons and 1wire viewer on a windows machine for many
years but want to move onto system monitoring on a Raspberry Pi.
After many struggles I found “Notes on the Raspberry Pi” at
http://www.noveldevices.co.uk/rp-1-wire This worked with only one
hitch at Step 3 the download appeared in the folder as “download” and
had to be renamed “owfs-2.8p15” for the unzip to work. The programme
then ran- - once. On running a second time it reported that /mnt/1wire
was already present. So I had to create 1wire.1 then 1wire.2 etc.
However I can’t delete remove or change these files. I have tried sudo
and tried deleting from the root. When I use –v (verbose) the deletion
appears to proceed as normal but does not remove the files a folders.
This is all pretty heady stuff for a newby. It appears that large set
of files and folders which owfs creates in /mnt/1wire have a range of
‘permissions’ including ‘nobody’. I have tried ‘chmod’ and ‘chown’
with little effect.
Can anyone advise how these files and folders can be deleted / removed.
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