Root owns removable drive and rsync won't work


 
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Old 07-28-2009
Root owns removable drive and rsync won't work

I'm using rsync to back up to a usb key
rsync -r -t -v -a /home/pc/AGS/ /media/DIESEL/pc/AGS/
It worked fine for a long time, and then not so good. Running from the command line there are a lot of complaints about 'can't chgrp ...'. It's formatted to fat32 so I can read it in all kinds of machines if I need to, so I gather that's why chown and chgrp don't work, certainly I can't get them to work from the command line as su. What I want to do is to have the whole USB key owned by my ordinary login not root. I've gone through reformatting it with gparted, but I can't find any way to set permissions on the volume, and it seems to get set up automatically with root ownership. Is there any way to either set up the volume so my ordinary login can do whatever it wants with the volume, or else is there a way to have my little script work ok even though I don't own the volume?
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rsync_selinux(8)					rsync Selinux Policy documentation					  rsync_selinux(8)

NAME
rsync_selinux - Security Enhanced Linux Policy for the rsync daemon DESCRIPTION
Security-Enhanced Linux secures the rsync server via flexible mandatory access control. FILE_CONTEXTS SELinux requires files to have an extended attribute to define the file type. Policy governs the access daemons have to these files. If you want to share files using the rsync daemon, you must label the files and directories public_content_t. So if you created a special directory /var/rsync, you would need to label the directory with the chcon tool. chcon -t public_content_t /var/rsync To make this change permanent (survive a relabel), use the semanage command to add the change to file context configuration: semanage fcontext -a -t public_content_t "/var/rsync(/.*)?" This command adds the following entry to /etc/selinux/POLICYTYPE/contexts/files/file_contexts.local: /var/rsync(/.*)? system_u:object_r:publix_content_t:s0 Run the restorecon command to apply the changes: restorecon -R -v /var/rsync/ SHARING FILES
If you want to share files with multiple domains (Apache, FTP, rsync, Samba), you can set a file context of public_content_t and pub- lic_content_rw_t. These context allow any of the above domains to read the content. If you want a particular domain to write to the pub- lic_content_rw_t domain, you must set the appropriate boolean. allow_DOMAIN_anon_write. So for rsync you would execute: setsebool -P allow_rsync_anon_write=1 BOOLEANS
system-config-selinux is a GUI tool available to customize SELinux policy settings. AUTHOR
This manual page was written by Dan Walsh <dwalsh@redhat.com>. SEE ALSO
selinux(8), rsync(1), chcon(1), setsebool(8), semanage(8) dwalsh@redhat.com 17 Jan 2005 rsync_selinux(8)