From: Wilbert Knol (itc.dbzisg@chesf.gov.br)
Date: Wed Nov 19 2003 - 11:22:52 EET
On Sat, 15 Nov 2003, pa3gcu wrote:
> On Friday 14 November 2003 22:40, Wilbert Knol wrote:
> > On Fri, 14 Nov 2003, Klaus Heintzenberg wrote:
> > > Als User kann ich zwar Daten von der Karte lesen, kann aber nicht darauf
> > > schreiben (löschen)
> > >
> > > Als root jedoch lassen sich die Karten lesen und schreiben.
> >
> > I have exactly that problem with a USB memory stick (aka 'removable
> > drive'). Any pointers appreciated.
>
> Permissisons for devices need to be changed accordingly i belive;
The raw device file looks like this:
zl2bsj@zl2bsj:~> ls -l /dev | grep sda1
brwxrwxrwx 1 root disk 8, 1 2002-09-10 08:24 sda1
The mount point:
zl2bsj@zl2bsj:~> ls -l /media | grep sda1
drwxrwxrwx 2 root root 160 2003-11-19 20:59 sda1
The /etc/fstab entry doesn't exist. It is created by the USB hotplug
agent. When it loads, the USB hot-plug agent alters the permissions
on the mount point such that only root has write access to the device.
I have by-passed /etc/fstab by spelling out the 'mount' command (with the
'user' option) and it made no difference: I *must* be root to be able to
write to the USB removable drive :-(
Anyway, I probably shouldn't bore the Reflector users with this, as
it is not a ham issue, but it is something that has bugged me for a
long time. Reading Klaus's query prompted me.
Wilbert, ZL2BSJ
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