Am Dienstag, 31. August 2021, 00:00:02 CEST schrieb Greg Wooledge:
> On Mon, Aug 30, 2021 at 09:29:14PM +, Andy Smith wrote:
> > Hello,
> >
> > On Mon, Aug 30, 2021 at 05:07:16PM -0400, Greg Wooledge wrote:
> > > unicorn:~$ strace bash -c 'echo stuff >> /tmp/123'
> > > [...]
> > > openat(AT_FD
Am Montag, 30. August 2021, 21:58:47 CEST schrieb Greg Wooledge:
> On Mon, Aug 30, 2021 at 09:01:33PM +0200, Rainer Dorsch wrote:
> > rd@h370:~/tmp.nobackup$ ls -l /tmp/123
> > -rw-rw-r-- 1 rd users 0 30. Aug 20:42 /tmp/123
> >
> > User ka overwrites it with the content of another file (atomically
Hi,
I am looking for advice how to implement best this kind of usecase:
User rd creates a file on /tmp:
rd@h370:~/tmp.nobackup$ touch /tmp/123
rd@h370:~/tmp.nobackup$ chgrp users /tmp/123
rd@h370:~/tmp.nobackup$ chmod g+w /tmp/123
rd@h370:~/tmp.nobackup$ ls -l /tmp/123
-rw-rw-r-- 1 rd users 0 30
On Mon, Aug 30, 2021 at 09:29:14PM +, Andy Smith wrote:
> Hello,
>
> On Mon, Aug 30, 2021 at 05:07:16PM -0400, Greg Wooledge wrote:
> > unicorn:~$ strace bash -c 'echo stuff >> /tmp/123'
> > [...]
> > openat(AT_FDCWD, "/tmp/123", O_WRONLY|O_CREAT|O_APPEND, 0666) = -1 EACCES
> > (Permission de
Hello,
On Mon, Aug 30, 2021 at 05:07:16PM -0400, Greg Wooledge wrote:
> unicorn:~$ strace bash -c 'echo stuff >> /tmp/123'
> [...]
> openat(AT_FDCWD, "/tmp/123", O_WRONLY|O_CREAT|O_APPEND, 0666) = -1 EACCES
> (Permission denied)
>
> As far as I can see, this is a kernel bug. Unless I'm overlook
On Mon, Aug 30, 2021 at 10:57:59PM +0200, Rainer Dorsch wrote:
> Hmm...your example works for me as well
>
> rd@h370:~/tmp.nobackup$ sudo touch /tmp/123; sudo chgrp video /tmp/123; sudo
> chmod 664 /tmp/123
> [sudo] Passwort für rd:
> rd@h370:~/tmp.nobackup$ ls -l /tmp/123
> -rw-rw-r-- 1 root vi
On Mon, Aug 30, 2021 at 09:01:33PM +0200, Rainer Dorsch wrote:
> rd@h370:~/tmp.nobackup$ ls -l /tmp/123
> -rw-rw-r-- 1 rd users 0 30. Aug 20:42 /tmp/123
> User ka overwrites it with the content of another file (atomically):
>
> ka@h370:~$ echo test > 123
> ka@h370:~$ mv 123 /tmp/123
> mv: cannot
>
>
> Is there something special with /tmp?
>
Do you have sticky bit on `/tmp`?
> For directories, when a directory's sticky bit is set, the filesystem
treats the files in such directories in a special way so only the file's
owner, the directory's owner, or root user can rename or delete the file
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