Hi,
I'm trying to get an rsync updating some files without changing their owner,
groups or permissions. I've read man pages etc. stating I need to use the
"--no-o", "--no-g", "--no-p" flags, something like
rsync -r --no-p --no-o --no-g source destination
While the permissions are keeped, there is something not working as
expected or I'm missing something about owner and group, at least when
I run rsync as root/sudo. Just to get a quick (non-)working example,
when I run this commands (delete files, create two different files,
rsync them) as a non-root user:
sudo rm /tmp/sample1 /tmp/sample2 2> /dev/null
/bin/date > /tmp/sample1
sleep 3
/bin/date > /tmp/sample2
echo "Before rsync:"
ls -l /tmp/sample1 /tmp/sample2
sudo rsync -r --no-o --no-g /tmp/sample1 /tmp/sample2
echo "After rsync:"
ls -l /tmp/sample1 /tmp/sample2
I get this:
Before rsync:
-rw-r--r-- 1 user01 group01 30 jun 4 11:39 /tmp/sample1
-rw-r--r-- 1 user01 group01 30 jun 4 11:39 /tmp/sample2
After rsync:
-rw-r--r-- 1 user01 group01 30 jun 4 11:39 /tmp/sample1
-rw-r--r-- 1 root root 30 jun 4 11:39 /tmp/sample2
I started with "rsync -azvhc" but I've stripped it to a minimum. Also
I run "rsync" as root user ("su -", not "sudo") with the same results.
Any help would be appreciated.
Regards,
--
Alberto Cabello Sánchez
Servicio de Informática
Universidad de Extremadura
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